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1. Optimization of Parameters of Pad Welding steel C45E by Wire CastoMag 4554S using Taguchi Method

Author: P. Woźniak and R. Starosta
Subjects: Taguchi method, optimization, pad welding parameters, Naval architecture. Shipbuilding. Marine engineering, VM1-989, Technology
Abstract: The article is an introduction to a series of investigations that will allow to choose the best parameters of pad welding with GMA method of steel C45E by wire CastoMag 4554S. Steel samples were prepared and preheated to 300 degrees Celsius (C). The plan of experiment was developed on the basis of the Taguchi method. The purpose of the optimization was to select appropriate technological parameters and to obtain the smallest proportion of the substrate material in the padding weld. Analysis of the results was performed using multiple regression and Taguchi method.
Published: 2017

2. Influence of substrate temperature on adhesion of thermally sprayed Ni-5%Al coatings

Author: R. Starosta and D. Ostrowski
Subjects: 010302 applied physics, Materials science, 02 engineering and technology, Adhesion, Substrate (printing), 01 natural sciences, Industrial and Manufacturing Engineering, Pull-off, 020303 mechanical engineering & transports, 0203 mechanical engineering, Mechanics of Materials, 0103 physical sciences, General Materials Science, Composite material, Thermal spraying
Abstract: Purpose: In the paper effect of pre-heating the steel substrate on the adhesion of thermally sprayed Ni-5%Al alloy coatings was presented. The reason for the topic was the discrepancy between the literature data on the effect of the preheating of the substrate on the adhesion of the coatings and the guidelines of the coating material manufacturer. Design/methodology/approach: As a coating material the ProXon 21021 was used. It is an alloy of nickel aluminium and molybdenum. This material is often used during the regeneration of machine parts in the shipbuilding industry. The coatings by flame spraying using the Casto-Dyn DS 8000 torch were obtained. The samples were made of steel C45. The specimens to which the coating was applied were characterized by a similar surface roughness. Before applying the coatings, the samples were preheated to a temperature of 50 to 400°C. The coatings tested were similar in thickness. Adhesion strength of the coatings was determined by the pull-off method. Findings: The quantitative comparative assessment of the adhesion strength of thermally sprayed coatings can be implemented by a pull-off. The highest value of adhesion strength for coatings applied on substrates of 50, 300 and 400°C was found. Considering that the technical thermally sprayed coatings of Ni-5% Al, often require an additional machining, they must be applied to the steel substrate surface at 50°C. Research limitations/implications: The adhesion test of the coatings has not been executed in accordance with the requirements of PN-EN 582 Thermal spraying - Determination of tensile adhesive strength. Therefore, the quantitative results obtained are only comparative. Practical implications: The results obtained show that the regeneration coatings of ProXon 201021 material should only be applied to pre-heated by flame (among other things, to degrease the surface of the substrate) to a temperature of approximately 50°C. At the time the coatings are characterized by the greatest adhesion to the steel substrate. Originality/value: The study demonstrated the usefulness of cheaper method of pull-offs to evaluate the adhesion of flame sprayed coatings. The results show that there is no need for a pre-heating of the substrate between 150 and 250°C before thermal spraying. This article may be useful for technologists designing the process of regeneration of machine parts using flame spraying.
Published: 2017

3. Liver disease in a cohort of patients with Gaucher disease from Southern Brazil: a cross-sectional study

Author: I.V.D. Schwartz, A.D. Dornelles, R. Starosta, Mário Reis Álvares-da-Silva, and Filippo Vairo
Subjects: medicine.medical_specialty, Liver disease, Hepatology, business.industry, Cross-sectional study, Internal medicine, Cohort, Medicine, Disease, business, medicine.disease
Published: 2018

4. AN S-MATRIX ANALYSIS OF THE Z-RESONANCE

Author: D. McNally, R. Fabbretti, Stefan Kirsch, G. Viertel, F. J. Rodriguez, H. R. Gustafson, H. El Mamouni, S. Morganti, G. M. Bilei, D. Antreasyan, Andrea Contin, I. Bechtluft, F. Cesaroni, Luca Lista, J. Schwenke, S. Easo, An.A. Vorobyov, D. Fernandez, X. Y. Cui, M. Gruenewald, Qi An, P. Arce, V. Plyaskin, J. Y. Liao, S. Patricelli, L. Martinez-Laso, D. Goujon, J. M. Ma, Yanwen Liu, Q. Ye, P. Kapinos, O. Adriani, Egidio Longo, A. Kasser, Lucas Taylor, F. C. Erné, Roberto Castello, P. Duinker, C. Warner, A. Atamanchuk, C. Dionisi, Pablo Garcia-Abia, Alain Hervé, Emilio Leonardi, Simonetta Gentile, Sabine Riemann, Vincenzo Innocente, L. Fredj, S. Pensotti, Valery Schegelsky, Antonino Zichichi, Ph Fisher, H. Rykaczewski, Guofan Hu, Giovanni Organtini, K. N. Qureshi, S. Goldfarb, A. Klimentov, P. Schmitz, P. Vikas, G. Tsipolitis, Georgi Sultanov, T. S. Dai, R. A. Khan, V. R. Krastev, M. T. Dova, V. P. Andreev, O. Rind, M. Chemarin, R. Bock, G. M. Chen, A. Sopczak, U. K. Chaturvedi, Maurizio Biasini, A. Bay, Samuel C.C. Ting, Marta Felcini, M. Bosetti, T. E. Coan, J. G. Branson, Kenneth Francis Read, L. Djambazov, Y. Karyotakis, K. Freudenreich, L. Z. Sun, Y. S. Lu, H. O. Cohn, M. M. Ilyas, A. Gougas, D. Hauschildt, Davide Piccolo, Lamberto Luminari, M. Vivargent, M. Sachwitz, Francesco Becattini, X. R. Shi, Z. W. Yin, Felicitas Pauss, K. Sudhakar, G. Passaleva, Carlo Civinini, M. Maolinbay, G. Raven, M. Aguilar-Benitez, M. S. Sarakinos, L. J. Gutay, A. Degré, S. Chung, P.V.K.S. Baba, Attilio Santocchia, Jean Fay, M. Dhina, F. Cotorobai, X. T. Cui, S. Rosier-Lees, P. Le Coultre, K. Hangarter, J. K. Kim, R. Starosta, D. Luckey, Gy L. Bencze, Y. J. Pei, Reinhard W. Schulte, Konrad Deiters, Raffaello D'Alessandro, M. Möller, N. Zaitsev, U. Becker, D. Gele, Jianming Qian, T. Angelescu, G. Hu, H. Anderhub, A. Krivshich, J. B. Ye, I. Duran, L. Romero, C. Maña, I. C. Brock, Herwig Schopper, M. Rattaggi, H. Postema, M. White, J. H. Field, C. Y. Chien, C. Leggett, Z. Y. Lin, Alberto Aloisio, A. Ricker, H. Kuijten, R. Barillère, S. N. Ganguli, E. Gonzalez, Steven Ahlen, Leonardo Merola, Yu. Kamyshkov, J. Mnich, A. Kirkby, Carlos Willmott, F. J. Eppling, G. J. Zhou, L. W. Jones, D. S. Yan, S. M. Ting, Speranza Falciano, G. B. Mills, A. Lebedev, Dong-Chul Son, T. Kramer, K. Mazumdar, J. J. Blaising, H. F. Chen, M. Guanziroli, F. Ferroni, Marcella Diemoz, E. Dénes, R. Sehgal, A. Buytenhuijs, Giovanni Ambrosi, M. N. Kienzle-Focacci, M. MacDermott, R. Rosmalen, Stefano Giagu, H. T. Li, R. Leiste, Christoph Paus, T. Azemoon, A. Rubbia, X. W. Tang, S. X. Wu, C. G. Yang, W. Friebel, P. Zemp, K. S. Kumar, J. G. Xu, M. Fukushima, R. de Asmundis, Wt Lin, B. L. Betev, Y. Zeng, J. P. Martin, A. Tsaregorodtsev, Bolek Wyslouch, S. Wynhoff, A. Nippe, D. Duchesneau, M. Wadhwa, S. C. Tonwar, K. Y. Lee, Frank Filthaut, B. P. Roe, C. Wang, Thomas Ferguson, D. Z. Shen, Chenjie Gu, C. F. He, Alexander Malinin, B. Monteleoni, I. Sheer, P. A. Piroué, B. Zhou, Elisabetta Gallo, P. Marchesini, D. DiBitonto, Ph. Rosselet, M. Steuer, G. Forconi, Yuehong Xie, G. Chiefari, S. Shevchenko, M. A. Niaz, A. Bujak, Oliver Kornadt, M. Pohl, Mariagrazia Alviggi, B. C.C. van der Zwaan, C. Neyer, I. Vetlitsky, W. van Rossum, P. G. Rancoita, Pierluigi Paolucci, M. Gailloud, R. C. Ball, G. Sartorelli, X. L. Wang, F. Behner, T. Paul, Marcos Cerrada, Y. Mi, J. A. Bakken, Y. F. Wang, M. Sassowsky, J. Bao, E. Shumilov, V. Shoutko, B. C. Riemers, Axel König, F. Sticozzi, B. N. Jin, J. Weber, W. Y. Chen, Ren-Yuan Zhu, Luciano Barone, W. Kittel, T. J. Wenaus, Werner Lustermann, A. Pevsner, M. Lenti, Stefan Roth, A. Nadtochy, C. Spartiotis, J. M. Le Goff, M. Bourquin, K. Strauch, Andrea Baschirotto, Adrian Biland, Chenliang Wang, D. H. Wright, Ming Zeng, N. Gheordanescu, Z. M. Wang, A. A. Syed, P. Extermann, P. Lecomte, H. Nowak, I. Leedom, B. Z. Yang, M. Caria, M. Tonutti, Yu. Galaktionov, G. Schwering, M. Rescigno, D. Perret-Gallix, G. Terzi, G. S. Sanders, S. J. Fan, A. M. Cartacci, R. Raghavan, Laurent Vuilleumier, M. Röhner, P. G. Seiler, G. Fernandex, S. Reucroft, F. Wittgenstein, S. Shotkin, L. Ludovici, E. Drago, B.C. Stringfellow, H. Hofer, K. L. Tung, J. A. Rubio, F. Plasil, Mingshui Chen, A. Koulbardis, J. Alcaraz, J. S. Lee, G. F. Susinno, A. Arefiev, M. Yzerman, A. Gurtu, Els Koffeman, M. Fabre, M. Schneegans, D. M. Lee, Dimitri Bourilkov, L. Antonov, R. Morand, Z. L. Xue, W. Wallraff, H. A. Rizvi, N. Yunus, G. Carlino, A. Marin, A. Kunin, M. Pauluzzi, Jun Guo, H. R. Dimitrov, O. Fackler, H. J. Schreiber, S. Banerjee, A. Engler, V. Koutsenko, J. M. Salicio, N. E. Moulai, Hafeez R Hoorani, E. Fiandrini, Zp Zhang, Helmut Vogel, Howard A. Stone, V. K. Gupta, B. Lindemann, L. Urbán, M. Capell, D. Boutigny, J. C. Sens, R. T. Van de Walle, Y. G. Kim, G. Finocchiaro, V. Pojidaec, R. Mount, Marcel Merk, A. C. Weber, G. Gratta, M. T. Choi, Cheng Chen, A. Mihul, E. Brambilla, B. Hartmann, Tariq Aziz, A. Hasan, D. Ren, H. S. Fesefeldt, W. J. Metzger, S. Ro, R. Bizzarri, F. DeNotaristefani, Roberto Battiston, K. Riles, J. Perrier, Z. Z. Xu, J. Wenninger, F. Marzano, Y. H. Chang, I. Scott, George Alverson, Francesca Nessi-Tedaldi, J. S. Kapustinsky, R. Malik, J. D. Burger, W. J. Burger, J. Shukla, C. Zaccardelli, G. Coignet, W. Krenz, U. Vikas, Peter Denes, G. Sauvage, Z. D. Qi, J. T. He, Gerjan Bobbink, B. Borgia, S. Khokhar, T.R. McMahon, S. Müller, F. L. Linde, R. Weill, G. Rahal-Callot, Z. F. Gong, J. M. Lubbers, W. W. Kinnison, S. C. Yeh, J. Behrens, P. J. Li, Paolo Bagnaia, J. Ulbricht, David Stickland, P. Berges, Marco Meschini, Crisostomo Sciacca, P. Lebrun, R. Klöckner, D. Kirkby, Harvey B Newman, K. Hilgers, Xd Cai, Zhuoxiang Ren, E. Nagy, R. Becker, A. L. Anderson, D. J. Schotanus, J. M. You, Marco Pieri, K. Schultze, H. Suter, BT Bouwens, F. Marion, G. A. Yang, Igor Vorobiev, G. Mirabelli, D. Lanske, M. Hebert, Christopher George Tully, Guo-Ming Chen, Panos A Razis, V. Soulimov, J. F. Zhou, I. Clare, J. Busenitz, Wolfgang Lohmann, H. Vogt, U. Uwer, A. Chen, B. Bertucci, S. C. Kim, J. Salicio, Nicanor Colino, S. Schulte, K. Lübelsmeyer, Piero Spillantini, J. Tóth, Y. Mir, C. H. Ye, D. Pandoulas, T. Spickermann, Michael Dittmar, Bernard Ille, K. Janssen, Stéphane Jézéquel, J. D. Swain, P. McBride, A. Böhm, J. Berdugo, S. Lanzano, D.W. Schmitz, G. Pascale, G.G.G. Massaro, Claudio Luci, Robert Clare, W. G. Ma, Thomas Hebbeker, Paul Lecoq, R. W. Kraemer, M. Napolitano, I. Josa-Mutuberria, H. S. Chen, L. Servoli, Shu Li, G. Landi, M. L. Brooks, Simone Paoletti, Manjit Kaur, Daqiang Zhang, E. Valente, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), CMS, Institut de Physique des 2 Infinis de Lyon (IP2I Lyon), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), L3, Adriani, O., Aguilarbenitez, M., Ahlen, S., Alcaraz, J., Aloisio, Alberto, Alverson, G., Alviggi, Mariagrazia, Ambrosi, G., An, Q., Anderhub, H., Anderson, A. L., Andreev, V. P., Angelescu, T., Antonov, L., Antreasyan, D., Arce, P., Arefiev, A., Atamanchuk, A., Azemoon, T., Aziz, T., P. V. K., Bagnaia, P., Bakken, J. A., Ball, R. C., Banerjee, S., Bao, J., Barillere, R., Barone, L., Baschirotto, A., Battiston, R., Bay, A., Becattini, F., Bechtluft, J., Becker, R., Becker, U., Behner, F., Behrens, J., Bencze, G. L., Berdugo, J., Berges, P., Bertucci, B., Betev, B. L., Biasini, M., Biland, A., Bilei, G. M., Bizzarri, R., Blaising, J. J., Bobbink, G. J., Bock, R., Bohm, A., Borgia, B., Bosetti, M., Bourilkov, D., Bourquin, M., Boutigny, D., Bouwens, B., Brambilla, E., Branson, J. G., Brock, I. C., Brooks, M., Bujak, A., Burger, J. D., Burger, W. J., Busenitz, J., Buytenhuijs, A., Cai, X. D., Capell, M., Caria, M., Carlino, G., Cartacci, A. M., Castello, R., Cerrada, M., Cesaroni, F., Chang, Y. H., Chaturvedi, U. K., Chemarin, M., Chen, A., Chen, C., Chen, G., Chen, G. M., Chen, H. F., Chen, H. S., Chen, M., Chen, W. Y., Chiefari, Giovanni, Chien, C. Y., Choi, M. T., Chung, S., Civinini, C., Clare, I., Clare, R., Coan, T. E., Cohn, H. O., Coignet, G., Colino, N., Contin, A., Cotorobai, F., Cui, X. T., Cui, X. Y., Dai, T. S., Dalessandro, R., Deasmundis, R., Degre, A., Deiters, K., Denes, E., Denes, P., Denotaristefani, F., Dhina, M., Dibitonto, D., Diemoz, M., Dimitrov, H. R., Dionisi, C., Dittmar, M., Djambazov, L., Dova, M. T., Drago, E., Duchesneau, D., Duinker, P., Duran, I., Easo, S., Elmamouni, H., Engler, A., Eppling, F. J., Erne, F. C., Extermann, P., Fabbretti, R., Fabre, M., Falciano, S., Fan, S. J., Fackler, O., Fay, J., Felcini, M., Ferguson, T., Fernandez, D., Fernandez, G., Ferroni, F., Fesefeldt, H., Fiandrini, E., Field, J. H., Filthaut, F., Finocchiaro, G., Fisher, P. H., Forconi, G., Fredj, L., Freudenreich, K., Friebel, W., Fukushima, M., Gailloud, M., Galaktionov, Y., Gallo, E., Ganguli, S. N., Garciaabia, P., Gele, D., Gentile, S., Gheordanescu, N., Giagu, S., Goldfarb, S., Gong, Z. F., Gonzalez, E., Gougas, A., Goujon, D., Gratta, G., Gruenewald, M., Gu, C., Guanziroli, M., Guo, J. K., Gupta, V. K., Gurtu, A., Gustafson, H. R., Gutay, L. J., Hangarter, K., Hartmann, B., Hasan, A., Hauschildt, D., C. F., He, J. T., He, Hebbeker, T., Hebert, M., Herve, A., Hilgers, K., Hofer, H., Hoorani, H., Hu, G., G. Q., Hu, Ille, B., Ilyas, M. M., Innocente, V., Janssen, H., Jezequel, S., Jin, B. N., Jones, L. W., Josamutuberria, I., Kasser, A., Khan, R. A., Kamyshkov, Y., Kapinos, P., Kapustinsky, J. S., Karyotakis, Y., Kaur, M., Khokhar, S., Kienzlefocacci, M. N., Kim, J. K., Kim, S. C., Kim, Y. G., Kinnison, W. W., Kirkby, A., Kirkby, D., Kirsch, S., Kittel, W., Klimentov, A., Klockner, R., Konig, A. C., Koffeman, E., Kornadt, O., Koutsenko, V., Koulbardis, A., Kraemer, R. W., Kramer, T., Krastev, V. R., Krenz, W., Krivshich, A., Kuijten, H., Kumar, K. S., Kunin, A., Landi, G., Lanske, D., Lanzano, S., Lebedev, A., Lebrun, P., Lecomte, P., Lecoq, P., Lecoultre, P., Lee, D. M., Lee, J. S., Lee, K. Y., Leedom, I., Leggett, C., Legoff, J. M., Leiste, R., Lenti, M., Leonardi, E., Li, C., H. T., Li, P. J., Li, Liao, J. Y., Lin, W. T., Lin, Z. Y., Linde, F. L., Lindemann, B., Lista, L., Liu, Y., Lohmann, W., Longo, E., Y. S., Lu, Lubbers, J. M., Lubelsmeyer, K., Luci, C., Luckey, D., Ludovici, L., Luminari, L., Lustermann, W., J. M., Ma, W. G., Ma, Macdermott, M., Malik, R., Malinin, A., Mana, C., Maolinbay, M., Marchesini, P., Marion, F., Marin, A., Martin, J. P., Martinezlaso, L., Marzano, F., G. G. G., Mazumdar, K., Mcbride, P., Mcmahon, T., Mcnally, D., Merk, M., Merola, Leonardo, Meschini, M., Metzger, W. J., Mi, Y., Mihul, A., Mills, G. B., Mir, Y., Mirabelli, G., Mnich, J., Moller, M., Monteleoni, B., Morand, R., Morganti, S., Moulai, N. E., Mount, R., Muller, S., Nadtochy, A., Nagy, E., Napolitano, Marco, Nessitedaldi, F., Newman, H., Neyer, C., Niaz, M. A., Nippe, A., Nowak, H., Organtini, G., Pandoulas, D., Paoletti, S., Paolucci, P., Pascale, G., Passaleva, G., Patricelli, Sergio, Paul, T., Pauluzzi, M., Paus, C., Pauss, F., Pei, Y. J., Pensotti, S., Perretgallix, D., Perrier, J., Pevsner, A., Piccolo, D., Pieri, M., Piroue, P. A., Plasil, F., Plyaskin, V., Pohl, M., Pojidaev, V., Postema, H., Z. D., Qi, Qian, J. M., Qureshi, K. N., Raghavan, R., Rahalcallot, G., Rancoita, P. G., Rattaggi, M., Raven, G., Razis, P., Read, K., Ren, D., Ren, Z., Rescigno, M., Reucroft, S., Ricker, A., Riemann, S., Riemers, B. C., Riles, K., Rind, O., Rizvi, H. A., Ro, S., Rodriguez, F. J., Roe, B. P., Rohner, M., Romero, L., Rosierlees, S., Rosmalen, R., Rosselet, P., Vanrossum, W., Roth, S., Rubbia, A., Rubio, J. A., Rykaczewski, H., Sachwitz, M., Salicio, J., Salicio, J. M., Sanders, G. S., Santocchia, A., Sarakinos, M. S., Sartorelli, G., Sassowsky, M., Sauvage, G., Schegelsky, V., Schmitz, D., Schmitz, P., Schneegans, M., Schopper, H., Schotanus, D. J., Shotkin, S., Schreiber, H. J., Shukla, J., Schulte, R., Schulte, S., Schultze, K., Schwenke, J., Schwering, G., Sciacca, Crisostomo, Scott, I., Sehgal, R., Seiler, P. G., Sens, J. C., Servoli, L., Sheer, I., Shen, D. Z., Shevchenko, S., Shi, X. R., Shumilov, E., Shoutko, V., Son, D., Sopczak, A., Soulimov, V., Spartiotis, C., Spickermann, T., Spillantini, P., Starosta, R., Steuer, M., Stickland, D. P., Sticozzi, F., Stone, H., Strauch, K., Stringfellow, B. C., Sudhakar, K., Sultanov, G., Sun, L. Z., Susinno, G. F., Suter, H., Swain, J. D., Syed, A. A., Tang, X. W., Taylor, L., Terzi, G., S. C. C., Ting, S. M., Tonutti, M., Tonwar, S. C., Toth, J., Tsaregorodtsev, A., Tsipolitis, G., Tully, C., Tung, K. L., Ulbricht, J., Urban, L., Uwer, U., Valente, E., Vandewalle, R. T., Vetlitsky, I., Viertel, G., Vikas, P., Vikas, U., Vivargent, M., Vogel, H., Vogt, H., Vorobiev, I., Vorobyov, A. A., Vuilleumier, L., Wadhwa, M., Wallraff, W., Wang, C., Wang, C. R., Wang, X. L., Wang, Y. F., Wang, Z. M., Warner, C., Weber, A., Weber, J., Weill, R., Wenaus, T. J., Wenninger, J., White, M., Willmott, C., Wittgenstein, F., Wright, D., S. X., Wu, Wynhoff, S., Wyslouch, B., Xie, Y. Y., J. G., Xu, Z. Z., Xu, Xue, Z. L., Yan, D. S., Yang, B. Z., Yang, C. G., Yang, G., C. H., Ye, J. B., Ye, Ye, Q., Yeh, S. C., Yin, Z. W., You, J. M., Yunus, N., Yzerman, M., Zaccardelli, C., Zaitsev, N., Zemp, P., Zeng, M., Zeng, Y., Zhang, D. H., Zhang, Z. P., Zhou, B., Zhou, G. J., Zhou, J. F., Zhu, R. Y., Zichichi, A., B. C. C., and IHEF (IoP, FNWI)
Subjects: Z boson, Nuclear and High Energy Physics, Particle physics, E+E ANNIHILATION, FERMION PAIR PRODUCTION, Electron–positron annihilation, QED CORRECTIONS, 01 natural sciences, Nuclear physics, ASYMMETRIES, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], 010306 general physics, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries), Ciencias Exactas, S-matrix, Ansatz, Physics, Annihilation, 010308 nuclear & particles physics, Física, Polarization (waves), Helicity, S matrix, Z-PEAK, Amplitude, Z-LINE-SHAPE, High Energy Physics::Experiment, Particle Physics - Experiment, Lepton
Abstract: The S matrix ansatz is a rigorously model independent approach to describe the cross-sections and asymmetries in e+e- annihilation. Using the cross-sections and asymmetries measured with the L3 detector during the 1990 and 1991 running period, we determine the mass and the width of the Z boson, the contributions of the Z exchange and of the yZ interference. Including the polarization of the t lepton in the analysis, the leptonic helicity amplitudes of the scattering process are determined assuming lepton universality. The results are compared with other model independent ansatzes as realized in ZFITTER. A systematic bias of the Z mass due to the yZ interference term is detected, which leads to an underestimation of the error on mz for model independent determinations., Facultad de Ciencias Exactas
Published: 2016

5. Determination of alpha-s from hadronic event shapes measured on the Z0 resonance

Author: B. Monteleoni, F. Sticozzi, C. Spartiotis, R. Morand, Z. L. Xue, Howard A. Stone, Roberto Battiston, Gerjan Bobbink, B. Borgia, J. Ulbricht, I. Clare, J. Busenitz, P. Göttlicher, J. M. Salicio, A. Arefiev, A. Kasser, Guofan Hu, C. Neyer, R. Mount, V. Plyaskin, Y. J. Pei, Raffaello D'Alessandro, M. Vivargent, Stefan Kirsch, B. N. Jin, M. Sachwitz, C. Grinnell, A. M. Cartacci, R. Raghavan, H. Nowak, Z. F. Gong, H. Anderhub, T. E. Coan, J. G. Branson, H. R. Gustafson, U. Herten, M. Bocciolini, M. T. Dova, D.N. Mao, Leonardo Merola, A. C. König, Laurent Vuilleumier, Y. H. Chang, Z. W. Yin, S. N. Ganguli, H. O. Cohn, F. Marzano, G. Coignet, W. Krenz, M. N. Kienzle-Focacci, R. Rosmalen, W. Wallraff, George Alverson, A. Degré, An.A. Vorobyov, T. Matsuda, A. Tsaregorodtsev, J. S. Kapustinsky, M. Gailloud, S. Banerjee, Yongqing Wu, E. Sajan, Samuel C.C. Ting, X. T. Cui, T. Kramer, J. J. Blaising, Tariq Aziz, R. Barillère, T. Azemoon, P. Schmitz, Lucas Taylor, Steven Goldfarb, M. Caria, Steven Ahlen, R. L. Sumner, G. H. Wang, W. Kittel, S. Schulte, K. Schmiemann, Dimitri Bourilkov, A. Koulbardis, D. Linnhofer, G. Herten, Federico Carminati, K. Freudenreich, D. Gele, E. Nagy, J. Wenninger, V. Pojidaev, Marcos Cerrada, W. Friebel, G. M. Bilei, M. Fabre, M. Schneegans, O. Adrian, Yu. Kamyshkov, N. E. Moulai, D. M. Lee, P. Zemp, Mw Gruenewald, V. Koutsenko, E. Fiandrini, Mariagrazia Alviggi, Andrea Contin, D. P. Stickland, S. X. Wu, G. B. Mills, Crisostomo Sciacca, Marco Pieri, D. Z. Shen, J. A. Bakken, J.P. Burq, R. de Asmundis, Y. Mir, C. H. Ye, M. Möller, S. Patricelli, M. Sassowsky, R. Fabbretti, C. G. Yang, G. Sauvage, R.B. Sutton, D. DiBitonto, Yu. Galaktionov, J. Alcaraz, Ph. Rosselet, Atul Gurtu, K. Deiters, M. Steuer, Q. Ye, Wen-Gan Ma, C. Maña, I. Vetlitsky, K. S. Kumar, G. Forconi, Alberto Aloisio, Harvey B Newman, K. Hilgers, H. F. Chen, J. D. Burger, J. Weber, G. Rahal-Callot, D. Fernandez, D. Perret-Gallix, A. Ricker, Yanwen Liu, Adrian Biland, B. P. Roe, W. Y. Chen, Th. Meinholz, B. Zhou, Cheng Chen, W. J. Burger, Sabine Riemann, S. J. Fan, X. W. Tang, I. Sheer, P. A. Piroué, C. Zaccardelli, F. Ferroni, B. C.C. van der Zwaan, W. W. Kinnison, G. Chiefari, S. Shevchenko, K. Schultze, H. Suter, A. Bujak, Oliver Kornadt, M. Pohl, Y. Zeng, A. Krivshich, F. Behner, Pablo Garcia-Abia, Alain Hervé, T. Angelov, D. Lanske, Sc Yeh, R. Malik, L. Romero, H. El Mamouni, A. Engler, I. C. Brock, A. Bay, Wt Lin, J. M. Lubbers, Jianming Qian, G. Hu, B. L. Betev, Carlo Civinini, M. Maolinbay, G. Raven, M. Bourquin, K. Strauch, J. C. Sens, P. Arce, D. Goujon, N. Yunus, G. Gratta, M. Aguilar-Benitez, H. S. Fesefeldt, Egidio Longo, Herwig Schopper, M. White, Zhuoxiang Ren, Carlos Willmott, M. Wadhwa, D. J. Schotanus, J. M. You, Vincenzo Innocente, S. Röhner, Speranza Falciano, Y. F. Wang, N. Produit, V. R. Krastev, F. Wittgenstein, L. Ludovici, M. Chmeissani, H. T. Li, D. Antreasyan, E. Drago, G. A. Yang, L. Niessen, A. Sopczak, L. J. Gutay, Ren-Yuan Zhu, Luciano Barone, Qi An, U. Becker, A. Marin, T. Driever, M. M. Ilyas, A. A. Syed, H. Janssen, Jiunn-Wei Chen, I. Duran, K.S. Yang, M. Rescigno, P. Kapinos, B.C. Stringfellow, H. R. Dimitrov, O. Fackler, L. Urbán, P. Duinker, F. J. Eppling, L. W. Jones, D. S. Yan, M. Yzerman, F. Crijns, S. M. Ting, A. Klimentov, Jun Guo, B. Lindemann, G. Passaleva, E. Dénes, R. Sehgal, G. Finocchiaro, Kenneth Francis Read, Q.Y. Yang, L. Z. Sun, D. Hauschildt, Marcel Merk, J. Perrier, Els Koffeman, R. Weill, C-Q. Li, Yuehong Xie, Christine Buisson, S. S. Gau, T. J. Wenaus, V. K. Gupta, A. L. Anderson, F. Marion, H. J. Schreiber, J. F. Zhou, M. MacDermott, P.V.K.S. Baba, H. L. Zhuang, M. A. Niaz, E. Brambilla, R. Bizzarri, F. DeNotaristefani, A. Hasan, Y. D. Xu, F. Cesaroni, J. Y. Liao, Emilio Leonardi, J. Schütte, P. Berges, R. Bock, L. Baksay, U. K. Chaturvedi, Y. S. Lu, M. Fukushima, M. Lenti, A. Nadtochy, Xiaoli Li, D. Duchesneau, J. M. Le Goff, D. H. Wright, G. S. Sanders, P. G. Seiler, J. A. Rubio, A. Malinin, Jérôme Rose, Kajari Mazumdar, S. Khokhar, T.R. McMahon, X. J. Yan, S. Müller, X. L. Wang, Xd Cai, J. H. Field, C. Y. Chien, J. Behrens, P. J. Li, P. Lebrun, BT Bouwens, U. Uwer, A. Chen, J. Salicio, Maurizio Biasini, Marta Felcini, Francesco Becattini, M. Capell, J. Krizmanic, Valery Schegelsky, Antonino Zichichi, Ph Fisher, H. Rykaczewski, Giovanni Organtini, Y. Karyotakis, E. Gonzalez, S. Chung, Attilio Santocchia, Jean Fay, M. Dhina, D. Boutigny, S. Lanzano, P. Vikas, G. Tsipolitis, Z. Y. Lin, L. Antonov, K. Sudhakar, J.H. Wang, Zhongyukun Xu, P. K. Malhotra, H. A. Rizvi, Y. Mi, J. B. Ye, A. Kunin, Gerard Fernandez, F. Plasil, Mingshui Chen, Hafeez R Hoorani, Jozsef Toth, J. Lettry, Elisabetta Gallo, M. Pauluzzi, Chenliang Wang, S. Reucroft, S. Shotkin, W. J. Metzger, D. Ren, S. C. Tonwar, J. Shukla, M. S. Sarakinos, M.L. Chen, U. Vikas, Frank Filthaut, Marcella Diemoz, M. Guanziroli, Zheng Wang, Giovanni Ambrosi, J. P. Martin, Zhenyu Zhang, E. Valente, D. McNally, A. C. Weber, Bolek Wyslouch, Qian Wang, E. Shumilov, X. R. Shi, V. Shoutko, X. Leytens, G. Viertel, Felicitas Pauss, Chenjie Gu, C. F. He, Marco Meschini, P. Extermann, G. Mirabelli, I. Leedom, B. Z. Yang, H. Hofer, K. L. Tung, S. Rosier-Lees, Hans J. Vogel, S. Morganti, D. Kirkby, D.W. Schmitz, P. Le Coultre, M. Tonutti, J. Schwenke, K. N. Qureshi, G.G.G. Massaro, A. Pevsner, K. Lübelsmeyer, Piero Spillantini, X. Y. Cui, Igor Vorobiev, Claudio Luci, S. Beingessner, Robert Clare, Barry Blumenfeld, Thomas Hebbeker, Paul Lecoq, R. W. Kraemer, K. Hangarter, M. Napolitano, M. Hebert, E. Soderstrom, H. S. Chen, L. Servoli, L. Martinez-Laso, Panos A Razis, J. Mnich, A. Atamanchuk, P. Marchesini, R. Starosta, P. Blömeke, D. Luckey, Gy L. Bencze, A. Rubbia, T. Foreman, Ming Zeng, Reinhard W. Schulte, M. Röhner, Christopher George Tully, Stéphane Jézéquel, J. Bao, F. C. Erné, Simonetta Gentile, R.J. Wu, J. Berdugo, Y.F. Mao, Z.Q. Yang, R. T. Van de Walle, Lamberto Luminari, G. Schwering, Wolfgang Lohmann, H. Vogt, B. Bertucci, I. Scott, Nicanor Colino, G. Landi, M. L. Brooks, R. C. Ball, Simone Paoletti, O. Rind, Pierre Lecomte, G. Sartorelli, Charles Timmermans, Manjit Kaur, C. Dionisi, D. Pandoulas, Georgi Sultanov, Fl Linde, T. S. Dai, R. A. Khan, T. Spickermann, V. P. Andreev, Daqiang Zhang, Bernard Ille, M. Chemarin, G. M. Chen, Peter Denes, Paolo Bagnaia, J. D. Swain, P. McBride, T. Fergusson, A. Böhm, R. Leiste, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), CMS, Institut de Physique des 2 Infinis de Lyon (IP2I Lyon), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), L3, O., Adriani, M., Aguilarbenitez, S., Ahlen, H., Akbari, J., Alcaraz, Aloisio, Alberto, G., Alverson, Alviggi, Mariagrazia, G., Ambrosi, Q., An, H., Anderhub, A. L., Anderson, V. P., Andreev, T., Angelov, L., Antonov, D., Antreasyan, P., Arce, A., Arefiev, A., Atamanchuk, T., Azemoon, T., Aziz, P. V., K., P., Bagnaia, J. A., Bakken, L., Baksay, R. C., Ball, S., Banerjee, J., Bao, R., Barillere, L., Barone, R., Battiston, A., Bay, F., Becattini, U., Becker, F., Behner, J., Behren, S., Beingessner, G. L., Bencze, J., Berdugo, P., Berge, B., Bertucci, B. L., Betev, M., Biasini, A., Biland, G. M., Bilei, R., Bizzarri, J. J., Blaising, P., Blomeke, B., Blumenfeld, G. J., Bobbink, M., Bocciolini, R., Bock, A., Bohm, B., Borgia, D., Bourilkov, M., Bourquin, D., Boutigny, B., Bouwen, E., Brambilla, J. G., Branson, I. C., Brock, M., Brook, C., Buisson, A., Bujak, J. D., Burger, W. J., Burger, J. P., Burq, J., Busenitz, X. D., Cai, M., Capell, M., Caria, F., Carminati, A. M., Cartacci, M., Cerrada, F., Cesaroni, Y. H., Chang, U. K., Chaturvedi, M., Chemarin, A., Chen, C., Chen, G. M., Chen, H. F., Chen, H. S., Chen, J., Chen, M., Chen, M. L., Chen, W. Y., Chen, Chiefari, Giovanni, C. Y., Chien, M., Chmeissani, S., Chung, C., Civinini, I., Clare, R., Clare, T. E., Coan, H. O., Cohn, G., Coignet, N., Colino, A., Contin, F., Crijn, X. T., Cui, X. Y., Cui, T. S., Dai, R., Dalessandro, R., Deasmundi, A., Degre, K., Deiter, E., Dene, P., Dene, F., Denotaristefani, M., Dhina, D., Dibitonto, M., Diemoz, H. R., Dimitrov, C., Dionisi, M. T., Dova, E., Drago, T., Driever, D., Duchesneau, P., Duinker, I., Duran, H., Elmamouni, A., Engler, F. J., Eppling, F. C., Erne, P., Extermann, R., Fabbretti, M., Fabre, S., Falciano, S. J., Fan, O., Fackler, J., Fay, M., Felcini, T., Ferguson, D., Fernandez, G., Fernandez, F., Ferroni, H., Fesefeldt, E., Fiandrini, J., Field, F., Filthaut, G., Finocchiaro, P. H., Fisher, G., Forconi, T., Foreman, K., Freudenreich, W., Friebel, M., Fukushima, M., Gailloud, Y., Galaktionov, E., Gallo, S. N., Ganguli, P., Garciaabia, S. S., Gau, D., Gele, S., Gentile, S., Goldfarb, Z. F., Gong, E., Gonzalez, P., Gottlicher, D., Goujon, G., Gratta, C., Grinnell, M., Gruenewald, C., Gu, M., Guanziroli, J. K., Guo, V. K., Gupta, A., Gurtu, H. R., Gustafson, L. J., Gutay, K., Hangarter, A., Hasan, D., Hauschildt, C. F., He, T., Hebbeker, M., Hebert, G., Herten, U., Herten, A., Herve, K., Hilger, H., Hofer, H., Hoorani, G., Hu, G. Q., Hu, B., Ille, M. M., Ilya, V., Innocente, H., Janssen, S., Jezequel, B. N., Jin, L. W., Jone, A., Kasser, R. A., Khan, Y., Kamyshkov, P., Kapino, J. S., Kapustinsky, Y., Karyotaki, M., Kaur, S., Khokhar, M. N., Kienzlefocacci, W. W., Kinnison, D., Kirkby, S., Kirsch, W., Kittel, A., Klimentov, A. C., Konig, E., Koffeman, O., Kornadt, V., Koutsenko, A., Koulbardi, R. W., Kraemer, T., Kramer, V. R., Krastev, W., Krenz, A., Krivshich, J., Krizmanic, K. S., Kumar, A., Kunin, G., Landi, D., Lanske, S., Lanzano, P., Lebrun, P., Lecomte, P., Lecoq, P., Lecoultre, D. M., Lee, I., Leedom, J. M., Legoff, R., Leiste, M., Lenti, E., Leonardi, J., Lettry, X., Leyten, C., Li, H. T., Li, P. J., Li, X. G., Li, J. Y., Liao, W. T., Lin, Z. Y., Lin, F. L., Linde, B., Lindemann, D., Linnhofer, Y., Liu, W., Lohmann, E., Longo, Y. S., Lu, J. M., Lubber, K., Lubelsmeyer, C., Luci, D., Luckey, L., Ludovici, L., Luminari, W. G., Ma, M., Macdermott, P. K., Malhotra, R., Malik, A., Malinin, C., Mana, D. N., Mao, Y. F., Mao, M., Maolinbay, P., Marchesini, F., Marion, A., Marin, J. P., Martin, L., Martinezlaso, F., Marzano, G. G., G., T., Matsuda, K., Mazumdar, P., Mcbride, T., Mcmahon, D., Mcnally, T., Meinholz, M., Merk, Merola, Leonardo, M., Meschini, W. J., Metzger, Y., Mi, G. B., Mill, Y., Mir, G., Mirabelli, J., Mnich, M., Moller, B., Monteleoni, R., Morand, S., Morganti, N. E., Moulai, R., Mount, S., Muller, A., Nadtochy, E., Nagy, Napolitano, Marco, H., Newman, C., Neyer, M. A., Niaz, L., Niessen, H., Nowak, G., Organtini, D., Pandoula, S., Paoletti, G., Passaleva, Patricelli, Sergio, M., Pauluzzi, F., Pau, Y. J., Pei, D., Perretgallix, J., Perrier, A., Pevsner, M., Pieri, P. A., Piroue, F., Plasil, V., Plyaskin, M., Pohl, V., Pojidaev, N., Produit, J. M., Qian, K. N., Qureshi, R., Raghavan, G., Rahalcallot, G., Raven, P., Razi, K., Read, D., Ren, Z., Ren, M., Rescigno, S., Reucroft, A., Ricker, S., Riemann, O., Rind, H. A., Rizvi, B. P., Roe, M., Rohner, S., Rohner, L., Romero, J., Rose, S., Rosierlee, R., Rosmalen, P., Rosselet, A., Rubbia, J. A., Rubio, H., Rykaczewski, M., Sachwitz, E., Sajan, J., Salicio, J. M., Salicio, G. S., Sander, A., Santocchia, M. S., Sarakino, G., Sartorelli, M., Sassowsky, G., Sauvage, V., Schegelsky, K., Schmiemann, D., Schmitz, P., Schmitz, M., Schneegan, H., Schopper, D. J., Schotanu, S., Shotkin, H. J., Schreiber, J., Shukla, R., Schulte, S., Schulte, K., Schultze, J., Schutte, J., Schwenke, G., Schwering, Sciacca, Crisostomo, I., Scott, R., Sehgal, P. G., Seiler, J. C., Sen, L., Servoli, I., Sheer, D. Z., Shen, S., Shevchenko, X. R., Shi, E., Shumilov, V., Shoutko, E., Soderstrom, A., Sopczak, C., Spartioti, T., Spickermann, P., Spillantini, R., Starosta, M., Steuer, D. P., Stickland, F., Sticozzi, H., Stone, K., Strauch, B. C., Stringfellow, K., Sudhakar, G., Sultanov, R. L., Sumner, L. Z., Sun, H., Suter, R. B., Sutton, J. D., Swain, A. A., Syed, X. W., Tang, L., Taylor, C., Timmerman, S. C., C., S. M., Ting, M., Tonutti, S. C., Tonwar, J., Toth, A., Tsaregorodtsev, G., Tsipoliti, C., Tully, K. L., Tung, J., Ulbricht, L., Urban, U., Uwer, E., Valente, R. T., Vandewalle, I., Vetlitsky, G., Viertel, P., Vika, U., Vika, M., Vivargent, H., Vogel, H., Vogt, I., Vorobiev, A. A., Vorobyov, L., Vuilleumier, M., Wadhwa, W., Wallraff, C. R., Wang, G. H., Wang, J. H., Wang, Q. F., Wang, X. L., Wang, Y. F., Wang, Z. M., Wang, A., Weber, J., Weber, R., Weill, T. J., Wenau, J., Wenninger, M., White, C., Willmott, F., Wittgenstein, D., Wright, R. J., Wu, S. X., Wu, Y. G., Wu, B., Wyslouch, Y. Y., Xie, Y. D., Xu, Z. Z., Xu, Z. L., Xue, D. S., Yan, X. J., Yan, B. Z., Yang, C. G., Yang, G., Yang, K. S., Yang, Q. Y., Yang, Z. Q., Yang, C. H., Ye, J. B., Ye, Q., Ye, S. C., Yeh, Z. W., Yin, J. M., You, N., Yunu, M., Yzerman, C., Zaccardelli, P., Zemp, M., Zeng, Y., Zeng, D. H., Zhang, Z. P., Zhang, B., Zhou, J. F., Zhou, R. Y., Zhu, H. L., Zhuang, A., Zichichi, B. C., C., and IHEF (IoP, FNWI)
Subjects: Nuclear and High Energy Physics, Particle physics, LUND MONTE-CARLO, Electron–positron annihilation, TO-BACK JETS, Hadron, Jet (particle physics), 01 natural sciences, Resonance (particle physics), ELECTRON-POSITRON-ANNIHILATION, Nuclear physics, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Resummation, 010306 general physics, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries), Physics, Quantum chromodynamics, QUANTUM CHROMODYNAMICS, 010308 nuclear & particles physics, JET PRODUCTION-RATES, High Energy Physics::Phenomenology, E+E-ANNIHILATION, QCD, FREE PERTURBATION-THEORY, Hadronization, ENERGY CORRELATIONS, Experimental uncertainty analysis, High Energy Physics::Experiment, FRAGMENTATION, Particle Physics - Experiment
Abstract: We present a study of the global event shape variables thrust and heavy jet mass, of energy-energy correlations and of jet multiplicities based on 250 000 hadronic Z 0 decays. The data are compared to new QCD calculations including resummation of leading and next-to-leading logarithms to all orders. We determine the strong coupling constant α s (91.2 GeV) = 0.125±0.003 (exp) ± 0.008 (theor). The first error is the experimental uncertainty. The second error is due to hadronization uncertainties and approximations in the calculations of the higher order corrections.
Published: 1992

6. A measurement of the Z0 leptonic partial widths and the vector and axial vector coupling constants

Author: Aa Vorobyov, Francesco Marzano, T. Angelov, J.M. Qian, Philip Kaaret, A. Engler, N. Smirnov, W. Krenz, G. Hu, J.M. Thenard, A.M. Cartacci, Carlos Willmott, L. Ludovici, H.R. Dimitrov, L. Urbàn, V. Plyaskin, U. Becker, G. Rahal-Callot, D.N. Mao, C. Souyri, E. Thomas, Sandra Consuegra Rodríguez, H. T. Li, R.J. Wu, F. J. Eppling, D. S. Yan, S.S. Gau, An.A. Vorobyov, T. Matsuda, F. Cesaroni, L. Leistam, S. M. Ting, Federico Carminati, M. Gailloud, M.L. Chen, Yu. Galaktionov, L. Baksay, K. Schultze, V.G. Shevchenko, Boleslaw Wyslouch, H.J. Schreiber, C.Y. Chien, H.F. Chen, Y.P. Tong, P.G. Seiler, J. Alcaraz, S. Patricelli, E. Tarkovsky, A. Heavey, Q. Ye, V. Schegelsky, M. Gettner, D. Lanske, O. Adriani, G.Q. Hu, T. Kramer, J.C. Sens, Peter Denes, M. Sachwitz, C. Maña, Qi An, S. Lökös, R. Raghavan, Marcella Diemoz, Paolo Bagnaia, J. J. Blaising, T. Ferguson, M. G. Alviggi, K.S. Yang, Samuel C.C. Ting, Th. Rombach, J. P. Burq, G. Von Dardel, K. N. Qureshi, Steven Goldfarb, Marco Meschini, D. Kirkby, J. Schütte, G. Landi, F.G. Hartjes, Laurent Vuilleumier, U. Herten, T. Böhringer, X.R. Shi, D.W. Schmitz, B. N. Jin, H. Haan, Simonetta Gentile, E. Isiksal, D.H. Zhang, Igor Vorobiev, Lamberto Luminari, Y. Peng, S. Schulte, C. Pols, P. Marchesini, B. Stöhr, Ming Zeng, P. Vikas, R. Leiste, Robert Clare, X. Lue, M. Röhner, S. C. Yeh, Antonino Zichichi, J.M. Lubbers, F. Bruyant, V. Morgunov, T. Foreman, Kenneth Francis Read, Egidio Longo, U. K. Chaturvedi, H. Rykaczewski, D. Harting, Thomas Hebbeker, Panos A Razis, Y.J. Pei, Y. S. Lu, Paul Lecoq, G. Conforto, J. Fehlmann, I. Vetlitsky, P. Blömeke, R. L. Sumner, W. Ruckstuhl, S. Rosier-Lees, T. Riemann, M. Napolitano, P. Schmitz, B. Bertucci, Alexei Klimentov, K. Deiters, D. Zhang, D. P. Stickland, P. Le Coultre, Yu. Kamyshkov, R.C. Ball, Adrian Biland, G. Schwering, J. Ulbricht, Raffaello D'Alessandro, Dimitri Bourilkov, C. Camps, Nicanor Colino, L. Zehnder, Y.F. Mao, H. Vogt, R. T. Van de Walle, S. X. Wu, A. Gordeev, M. Micke, Lawrence W. Jones, J. Wenninger, Y. Karyotakis, K. Sudhakar, Y. Mir, C. H. Ye, G. Fernandez, G. H. Wang, K. Hangarter, H. S. Chen, Helmut Vogel, Oliver Kornadt, M. Pohl, R. Liu, Mw Gruenewald, R. Starosta, V. Pojidaev, Jérôme Rose, R. Wilhelm, C. Grinnell, Y. Mi, K. Freudenreich, Leonardo Merola, K.D. Shmakov, S. J. Fan, W. Walk, S. Banerjee, Zp Zhang, Ph. Rosselet, G. J. Bobbink, M. M. Ilyas, Pierre Lecomte, Wesley James Metzger, L.S. Hsu, L. Montanet, D. Luckey, Gy L. Bencze, G. Herten, J. P. Martin, B. Spiess, J.Y. Liao, P.V.K.S. Baba, M. Steuer, J. Onvlee, M. Bourquin, C. G. Yang, I. C. Brock, C. Chen, X. D. Cai, G. Forconi, J. Weber, Z.Q. Yang, E. Valente, M. Chemarin, E. Perrin, K. Strauch, Tariq Aziz, W. Friebel, G. Faber, M. Fabre, Corinne Goy, B. Borgia, V. Lalieu, T.J. Wenaus, S. L. Wu, Speranza Falciano, Vincenzo Innocente, R. Fabbretti, T. Azemoon, Patricia McBride, S. Morganti, Jd Burger, M. Capell, Georgi Sultanov, Jozsef Toth, Charles Timmermans, A. Kuhn, R. A. Khan, H. Akbari, G. Sauvage, V. Koutsenko, Z.Z. Xu, Gaihe Yang, J. Lettry, Claudio Luci, Suresh C Tonwar, R. Weill, G.B. Mills, A. Malinin, Mingshui Chen, M. Dhina, A. van Laak, Qun Wang, R. Dolin, Marcos Cerrada, D. Perret-Gallix, H. S. Fesefeldt, Axel König, D. J. Schotanus, J. A. Bakken, Elisabetta Gallo, R.B. Sutton, W. Lohmann, P. Lebrun, V. P. Andreev, X. L. Wang, E. Jagel, Crisostomo Sciacca, Yanwen Liu, P. J. Li, J. Schwenke, X. Y. Cui, Fridolin Dittus, J. Fay, Marco Pieri, Chenliang Wang, M. Fukushima, P. Schmitt, M. Glaubman, K. Mazumbar, G. M. Chen, S. Reucroft, Harvey B Newman, K. Hilgers, D. Güsewell, A. Chen, M. Vollmar, F. Ferroni, I. Clare, W. Wallraff, D. Wright, H. Fenker, D. Antreasyan, J. M. Le Goff, Alberto Aloisio, S. Beingessner, A. Grimes, Y. Zeng, Z.F. Gong, Th. Meinholz, S.Y. Zhang, A. L. Anderson, J. A. Rubio, P. Göttlicher, J.H. Wang, J. Mnich, P. K. Malhotra, D. Ren, Ying Wu, X. W. Tang, J. G. Branson, J. Von Rango, I. Sheer, J. F. Zhou, M. Herbert, K. Lübelsmeyer, Piero Spillantini, P. A. Piroué, G. Viertel, A. Kunin, P. Duinker, M. MacDermott, Z. W. Yin, S. N. Ganguli, H. van der Graaf, C. Rippich, B. L. Betev, A. Degré, Giovanni Paternoster, J. Bao, U. Uwer, D. Kaplan, A. Contin, Alexander Savin, G. Morand, M. Elkacimi, P. Extermann, I. Leedom, H. Hofer, K. L. Tung, R. Morand, Z. L. Xue, Howard A. Stone, D. Pandoulas, J. Salicio, T.S. Dai, Y. H. Chang, George Alverson, T. Spickermann, S. Kwan, Ren-Yuan Zhu, Luciano Barone, Vineet Kumar, M. Guanziroli, R. Magahiz, G.G.G. Massaro, F. Carbonara, F.C. Erné, Q.Y. Yang, L. Martinez, A. Gurtu, F. L. Linde, V. Commichau, A. Böhm, G. Coignet, E. Shumilov, J. Zoll, M. Bocciolini, J. H. Field, M. Schöntag, W. Böhlen, V. Shoutko, Luciano Romero, C. F. He, Giorgio Gratta, A. Pevsner, M. Tonutti, Barry Blumenfeld, L. Antonov, A. Marchionni, V.R. Krastev, E. Gonzalez, B. Ille, S. Lanzano, Bernardo Adeva, R. W. Kraemer, V. Khoze, C-Q. Li, R. Bizzarri, S. Hancke, F. DeNotaristefani, P. Berges, M. Maire, L. Li, D. Boutigny, J.F. Li, H. Suter, Y.F. Wang, U. Micke, D. Linnhofer, R. Mount, W.D. Nowak, J. Berdugo, B. Monteleoni, W. Kittel, G. Chiefari, S. Shevchenko, M. Schneegans, R. Schulte, Zhuoxiang Ren, J. M. You, N. Produit, A. A. Syed, K. Lanius, F. Crijns, Marcel Merk, J. Perrier, C. Zabounidis, D. Goujon, Bz Yang, A. Sopczak, X. Leytens, H. Anderhub, C. Dionisi, Alain Hervé, G. Mirabelli, A. Bay, D. Campana, Carlo Civinini, M. Maolinbay, X.G. Li, M. Aguilar-Benitez, I. Duran, P. F. Klok, Herwig Schopper, M. White, Petr Levchenko, F. Wittgenstein, E. Drago, L. Niessen, Z.Y. Lin, T. Driever, M. Harris, E. Dénes, B. P. Roe, W.G. Ma, E. Nagy, M. Vivargent, Christine Buisson, Z. M. Wang, A. Arefiev, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), L3, IHEF (IoP, FNWI), B., Adeva, O., Adriani, M., Aguilarbenitez, H., Akbari, J., Alcaraz, Aloisio, Alberto, G., Alverson, Alviggi, Mariagrazia, Q., An, H., Anderhub, A. L., Anderson, V. P., Andreev, T., Angelov, L., Antonov, D., Antreasyan, A., Arefiev, T., Azemoon, T., Aziz, P. V., K., P., Bagnaia, J. A., Bakken, L., Baksay, R. C., Ball, S., Banerjee, J., Bao, L., Barone, A., Bay, U., Becker, S., Beingessner, G. L., Bencze, J., Berdugo, P., Berge, B., Bertucci, B. L., Betev, A., Biland, R., Bizzarri, J. J., Blaising, P., Blomeke, B., Blumenfeld, G. J., Bobbink, M., Bocciolini, W., Bohlen, A., Bohm, T., Bohringer, B., Borgia, D., Bourilkov, M., Bourquin, D., Boutigny, J. G., Branson, I. C., Brock, F., Bruyant, C., Buisson, J. D., Burger, J. P., Burq, X. D., Cai, D., Campana, C., Camp, M., Capell, F., Carbonara, F., Carminati, A. M., Cartacci, M., Cerrada, F., Cesaroni, Y. H., Chang, U. K., Chaturvedi, M., Chemarin, A., Chen, C., Chen, G. M., Chen, H. F., Chen, H. S., Chen, M., Chen, M. L., Chen, Chiefari, Giovanni, C. Y., Chien, C., Civinini, I., Clare, R., Clare, G., Coignet, N., Colino, V., Commichau, G., Conforto, A., Contin, F., Crijn, X. Y., Cui, T. S., Dai, R., Dalessandro, A., Degre, K., Deiter, E., Dene, P., Dene, F., Denotaristefani, M., Dhina, M., Diemoz, H. R., Dimitrov, C., Dionisi, F., Dittu, R., Dolin, E., Drago, T., Driever, P., Duinker, I., Duran, M., Elkacimi, A., Engler, F. J., Eppling, F. C., Erne, P., Extermann, R., Fabbretti, G., Faber, S., Falciano, S. J., Fan, M., Fabre, J., Fay, J., Fehlmann, H., Fenker, T., Ferguson, G., Fernandez, F., Ferroni, H., Fesefeldt, J., Field, G., Forconi, T., Foreman, K., Freudenreich, W., Friebel, M., Fukushima, M., Gailloud, Y., Galaktionov, E., Gallo, S. N., Ganguli, S. S., Gau, S., Gentile, M., Gettner, M., Glaubman, S., Goldfarb, Z. F., Gong, E., Gonzalez, A., Gordeev, P., Gottlicher, D., Goujon, C., Goy, G., Gratta, A., Grime, C., Grinnell, M., Gruenewald, M., Guanziroli, A., Gurtu, D., Gusewell, H., Haan, S., Hancke, K., Hangarter, M., Harri, D., Harting, F. G., Hartje, C. F., He, A., Heavey, T., Hebbeker, M., Hebert, G., Herten, U., Herten, A., Herve, K., Hilger, H., Hofer, L. S., Hsu, G., Hu, G. Q., Hu, B., Ille, M. M., Ilya, V., Innocente, E., Isiksal, E., Jagel, B. N., Jin, L. W., Jone, P., Kaaret, R. A., Khan, Y., Kamyshkov, D., Kaplan, Y., Karyotaki, V., Khoze, D., Kirkby, W., Kittel, A., Klimentov, P. F., Klok, A. C., Konig, O., Kornadt, V., Koutsenko, R. W., Kraemer, T., Kramer, V. R., Krastev, W., Krenz, A., Kuhn, V., Kumar, A., Kunin, S., Kwan, A., Vanlaak, V., Lalieu, G., Landi, K., Laniu, D., Lanske, S., Lanzano, P., Lebrun, P., Lecomte, P., Lecoq, P., Lecoultre, I., Leedom, J. M., Legoff, L., Leistam, R., Leiste, J., Lettry, P. M., Levchenko, X., Leyten, C., Li, H. T., Li, J. F., Li, L., Li, P. J., Li, X. G., Li, J. Y., Liao, R., Liu, Y., Liu, Z. Y., Lin, F. L., Linde, D., Linnhofer, W., Lohmann, S., Loko, E., Longo, Y. S., Lu, J. M., Lubber, K., Lubelsmeyer, C., Luci, D., Luckey, L., Ludovici, X., Lue, L., Luminari, W. G., Ma, M., Macdermott, R., Magahiz, M., Maire, P. K., Malhotra, A., Malinin, C., Mana, D. N., Mao, Y. F., Mao, M., Maolinbay, P., Marchesini, A., Marchionni, J. P., Martin, L., Martinez, F., Marzano, G. G., G., T., Matsuda, K., Mazumdar, P., Mcbride, T., Meinholz, M., Merk, Merola, Leonardo, M., Meschini, W. J., Metzger, Y., Mi, M., Micke, U., Micke, G. B., Mill, Y., Mir, G., Mirabelli, J., Mnich, L., Montanet, B., Monteleoni, G., Morand, R., Morand, S., Morganti, V., Morgunov, R., Mount, E., Nagy, Napolitano, Marco, H., Newman, L., Niessen, W. D., Nowak, J., Onvlee, D., Pandoula, Paternoster, Giovanni, Patricelli, Sergio, Y. J., Pei, Y., Peng, D., Perretgallix, J., Perrier, E., Perrin, A., Pevsner, M., Pieri, P. A., Piroue, V., Plyaskin, M., Pohl, V., Pojidaev, C. L., A., N., Produit, J. M., Qian, K. N., Qureshi, R., Raghavan, G., Rahalcallot, J., Vonrango, P., Razi, K., Read, D., Ren, Z., Ren, S., Reucroft, T., Riemann, C., Rippich, S., Rodriguez, B. P., Roe, M., Rohner, T., Rombach, L., Romero, J., Rose, S., Rosierlee, P., Rosselet, J. A., Rubio, W., Ruckstuhl, H., Rykaczewski, M., Sachwitz, J., Salicio, G., Sauvage, A., Savin, V., Schegelsky, P., Schmitt, D., Schmitz, P., Schmitz, M., Schneegan, M., Schontag, H., Schopper, D. J., Schotanu, H. J., Schreiber, R., Schulte, S., Schulte, K., Schultze, J., Schutte, J., Schwenke, G., Schwering, Sciacca, Crisostomo, P. G., Seiler, J. C., Sen, I., Sheer, V., Shevchenko, S., Shevchenko, X. R., Shi, K., Shmakov, V., Shoutko, E., Shumilov, N., Smirnov, A., Sopczak, C., Souyri, T., Spickermann, B., Spie, P., Spillantini, R., Starosta, M., Steuer, D. P., Stickland, B., Stohr, H., Stone, K., Strauch, K., Sudhakar, G., Sultanov, R. L., Sumner, H., Suter, R. B., Sutton, A. A., Syed, X. W., Tang, E., Tarkovsky, J. M., Thenard, E., Thoma, C., Timmerman, S. C., C., S. M., Ting, Y. P., Tong, M., Tonutti, S. C., Tonwar, J., Toth, K. L., Tung, J., Ulbricht, L., Urban, U., Uwer, E., Valente, R. T., Vandewalle, H., Vandergraaf, I., Vetlitsky, G., Viertel, P., Vika, M., Vivargent, H., Vogel, H., Vogt, M., Vollmar, G., Vondardel, I., Vorobiev, A. A., Vorobyov, A., Vorobyov, L., Vuilleumier, W., Walk, W., Wallraff, C. R., Wang, G. H., Wang, J. H., Wang, Q. F., Wang, X. L., Wang, Y. F., Wang, Z. M., Wang, J., Weber, R., Weill, T. J., Wenau, J., Wenninger, M., White, R., Wilhelm, C., Willmott, F., Wittgenstein, D., Wright, R. J., Wu, S. L., Wu, S. X., Wu, Y. G., Wu, B., Wyslouch, Z. Z., Xu, Z. L., Xue, D. S., Yan, B. Z., Yang, C. G., Yang, G., Yang, K. S., Yang, Q. Y., Yang, Z. Q., Yang, Q., Ye, C. H., Ye, S. C., Yeh, Z. W., Yin, J. M., You, C., Zabounidi, L., Zehnder, M., Zeng, Y., Zeng, D., Zhang, D. H., Zhang, S. Y., Zhang, Z. P., Zhang, J. F., Zhou, R. Y., Zhu, A., Zichichi, and J., Zoll
Subjects: Physics, Coupling constant, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, media_common.quotation_subject, Electron–positron annihilation, Detector, Charge (physics), 01 natural sciences, Asymmetry, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Atomic physics, 010306 general physics, Pseudovector, Particle Physics - Experiment, media_common, Lepton
Abstract: We have measured the partial widths of the Z 0 into lepton pairs, and the forward-backward charge asymmetry for the process e + e − → μ + μ − using the L3 detector at LEP. We obtain an average Γ ll of 83.0±2.1±1.1 MeV.From this result and the asymmetry measurement, we extract the values of the vector and axial vector couplings of the Z 0 to leptons: g rmv =−0.066 −0.027 +0.046 and g rmA = −0.495 −0.007 +0.007 .
Published: 1990

7. Photoproduction of mesons in electron-proton collisions at HERA

Author: S. Aid, V. Andreev, B. Andrieu, R.-D. Appuhn, M. Arpagaus, A. Babaev, J. Bähr, J. Bán, Y. Ban, P. Baranov, E. Barrelet, R. Barschke, W. Bartel, M. Barth, U. Bassler, H.P. Beck, H.-J. Behrend, A. Belousov, Ch. Berger, G. Bernardi, R. Bernet, G. Bertrand-Coremans, M. Besançon, R. Beyer, P. Biddulph, P. Bispham, J.C. Bizot, V. Blobel, K. Borras, F. Botterweck, V. Boudry, A. Braemer, W. Braunschweig, V. Brisson, D. Bruncko, C. Brune, R. Buchholz, L. Büngener, J. Bürger, F.W. Büsser, A. Buniatian, S. Burke, M.J. Burton, G. Buschhorn, A.J. Campbell, T. Carli, M. Charlet, D. Clarke, A.B. Clegg, B. Clerbaux, S. Cocks, J.G. Contreras, C. Cormack, J.A. Coughlan, A. Courau, M.-C. Cousinou, G. Cozzika, L. Criegee, D.G. Cussans, J. Cvach, S. Dagoret, J.B. Dainton, W.D. Dau, K. Daum, M. David, C.L. Davis, B. Delcourt, A. De Roeck, E.A. De Wolf, M. Dirkmann, P. Dixon, P. Di Nezza, W. Dlugosz, C. Dollfus, J.D. Dowell, H.B. Dreis, A. Droutskoi, D. Düllmann, O. Dünger, H. Duhm, J. Ebert, T.R. Ebert, G. Eckerlin, V. Efremenko, S. Egli, R. Eichler, F. Eisele, E. Eisenhandler, R.J. Ellison, E. Elsen, M. Erdmann, W. Erdmann, E. Evrard, A.B. Fahr, L. Favart, A. Fedotov, D. Feeken, R. Felst, J. Feltesse, J. Ferencei, F. Ferrarotto, K. Flamm, M. Fleischer, M. Flieser, G. Flügge, A. Fomenko, B. Fominykh, J. Formánek, J.M. Foster, G. Franke, E. Fretwurst, E. Gabathuler, K. Gabathuler, F. Gaede, J. Garvey, J. Gayler, M. Gebauer, A. Gellrich, H. Genzel, R. Gerhards, A. Glazov, U. Goerlach, L. Goerlich, N. Gogitidze, M. Goldberg, D. Goldner, K. Golec-Biernat, B. Gonzalez-Pineiro, I. Gorelov, C. Grab, H. Grässler, R. Grässler, T. Greenshaw, R.K. Griffiths, G. Grindhammer, A. Gruber, C. Gruber, J. Haack, T. Hadig, D. Haidt, L. Hajduk, M. Hampel, W.J. Haynes, G. Heinzelmann, R.C.W. Henderson, H. Henschel, I. Herynek, M.F. Hess, W. Hildesheim, K.H. Hiller, C.D. Hilton, J. Hladký, K.C. Hoeger, M. Höppner, D. Hoffmann, T. Holtom, R. Horisberger, V.L. Hudgson, M. Hütte, H. Hufnagel, M. Ibbotson, H. Itterbeck, A. Jacholkowska, C. Jacobsson, M. Jaffre, J. Janoth, T. Jansen, L. Jönsson, K. Johannsen, D.P. Johnson, L. Johnson, H. Jung, P.I.P. Kalmus, M. Kander, D. Kant, R. Kaschowitz, U. Kathage, J. Katzy, H.H. Kaufmann, O. Kaufmann, S. Kazarian, I.R. Kenyon, S. Kermiche, C. Keuker, C. Kiesling, M. Klein, C. Kleinwort, G. Knies, T. Köhler, J.H. Köhne, H. Kolanoski, F. Kole, S.D. Kolya, V. Korbel, M. Korn, P. Kostka, S.K. Kotelnikov, T. Krämerkämper, M.W. Krasny, H. Krehbiel, D. Krücker, U. Krüger, U. Krüner-Marquis, H. Küster, M. Kuhlen, T. Kurča, J. Kurzhöfer, D. Lacour, B. Laforge, R. Lander, M.P.J. Landon, W. Lange, U. Langenegger, J.-F. Laporte, A. Lebedev, F. Lehner, C. Leverenz, S. Levonian, Ch. Ley, G. Lindström, M. Lindstroem, J. Link, F. Linsel, J. Lipinski, B. List, G. Lobo, H. Lohmander, J.W. Lomas, G.C. Lopez, V. Lubimov, D. Lüke, N. Magnussen, E. Malinovski, S. Mani, R. Maraček, P. Marage, J. Marks, R. Marshall, J. Martens, G. Martin, R. Martin, H.-U. Martyn, J. Martyniak, T. Mavroidis, S.J. Maxfield, S.J. McMahon, A. Mehta, K. Meier, T. Merz, A. Meyer, H. Meyer, J. Meyer, P.-O. Meyer, A. Migliori, S. Mikocki, D. Milstead, J. Moeck, F. Moreau, J.V. Morris, E. Mroczko, D. Müller, G. Müller, K. Müller, P. Murín, V. Nagovizin, R. Nahnhauer, B. Naroska, Th. Naumann, P.R. Newman, D. Newton, D. Neyret, H.K. Nguyen, T.C. Nicholls, F. Niebergall, C. Niebuhr, Ch. Niedzballa, H. Niggli, R. Nisius, G. Nowak, G.W. Noyes, M. Nyberg_Werther, M. Oakden, H. Oberlack, U. Obrock, J.E. Olsson, D. Ozerov, P. Palmen, E. Panaro, A. Panitch, C. Pascaud, G.D. Patel, H. Pawletta, E. Peppel, E. Perez, J.P. Phillips, A. Pieuchot, D. Pitzl, G. Pope, S. Prell, R. Prosi, K. Rabbertz, G. Rädel, F. Raupach, P. Reimer, S. Reinshagen, H. Rick, V. Riech, J. Riedlberger, F. Riepenhausen, S. Riess, E. Rizvi, S.M. Robertson, P. Robmann, H.E. Roloff, R. Roosen, K. Rosenbauer, A. Rostovtsev, F. Rouse, C. Royon, K. Rüter, S. Rusakov, K. Rybicki, N. Sahlmann, D.P.C. Sankey, P. Schacht, S. Schiek, S. Schleif, P. Schleper, W. von Schlippe, D. Schmidt, G. Schmidt, A. Schöning, V. Schröder, E. Schuhmann, B. Schwab, F. Sefkow, M. Seidel, R. Sell, A. Semenov, V. Shekelyan, I. Sheviakov, L.N. Shtarkov, G. Siegmon, U. Siewert, Y. Sirois, I.O. Skillicorn, P. Smirnov, J.R. Smith, V. Solochenko, Y. Soloviev, A. Specka, J. Spiekermann, S. Spielman, H. Spitzer, F. Squinabol, R. Starosta, M. Steenbock, P. Steffen, R. Steinberg, H. Steiner, B. Stella, A. Stellberger, J. Stier, J. Stiewe, U. Stöβlein, K. Stolze, U. Straumann, W. Struczinski, J.P. Sutton, S. Tapprogge, M. Taševský, V. Tchernyshov, S. Tchetchelnitski, J. Theissen, C. Thiebaux, G. Thompson, P. Truöl, J. Turnau, J. Tutas, P. Uelkes, A. Usik, S. Valkár, A. Valkárová, C. Vallée, D. Vandenplas, P. Van Esch, P. Van Mechelen, Y. Vazdik, P. Verrecchia, G. Villet, K. Wacker, A. Wagener, M. Wagener, A. Walther, B. Waugh, G. Weber, M. Weber, D. Wegener, A. Wegner, T. Wengler, M. Werner, L.R. West, T. Wilksen, S. Willard, M. Winde, G.-G. Winter, C. Wittek, E. Wünsch, J. Žáček, D. Zarbock, Z. Zhang, A. Zhokin, F. Zomer, J. Zsembery, K. Zuber, and M. zurNedden
Subjects: Quantum chromodynamics, Physics, Nuclear and High Energy Physics, Particle physics, Proton, Meson, High Energy Physics::Phenomenology, Order (ring theory), Parton, HERA, Charm quark, High Energy Physics::Experiment, Rapidity, Nuclear Experiment
Abstract: At the electron-proton collider HERA the inclusive D-*+/- meson photoproduction cross section has been measured with the H1 detector in two different, but partly overlapping, kinematical regions. For the first, where [W-gamma p] approximate to 200 GeV and Q(2) < 0.01 GeV2, the result is sigma(gamma p --> c(c) over barX$) = (13.2 +/- 2.2(-1.7-4.8)(+2.1+9.9)) mu b. The second measurement for Q(2) < 4 GeV2 yields sigma(gamma p) --> c(c) over barX$) = (9.3 +/- 2.1(-1.8-3.2)(+1.9+6.9)) mu b at [W-gamma p] approximate to 142 GeV and sigma(gamma p --> c(c) over barX$) = (20.6 +/- 5.5(-3.9-7.2)(+4.3+15.4)) mu b at [W-gamma p] approximate to 230 GeV, respectively. The third error accounts for an additional uncertainty due to the proton and photon parton density parametrizations. Differential cross sections are presented as a function of the D-*+/- transverse momentum and rapidity. The results compare reasonably well with next-to-leading order QCD calculations. Evidence for diffractive photoproduction of charm quarks is presented.
Published: 1996

8. Elastic electroproduction of ϱ and mesons at large Q2 at HERA

Author: S. Aid, V Andreev, B. Andrieu, R.-D. Appuhn, M. Arpagaus, A. Babaev, J. Bähr, J. Bán, Y. Ban, P. Baranov, E. Barrelet, R. Barschke, W. Bartel, M. Barth, U. Bassler, H.P. Beck, H.-J. Behrend, A. Belousov, Ch. Berger, G. Bernardi, R. Bernet, G. Bertrand-Coremans, M. Besançoni, R. Beyer, P. Biddulph, P. Bispham, J.C. Bizot, V. Blobel, K. Borras, F. Botterweck, V. Boudry, A. Braemer, W. Braunschweig, V. Brisson, D. Bruncko, C. Brune, R. Buchholz, L. Büngener, J. Bürger, W. Büsser, A. Buniatian, S. Burke, M.J. Burton, G. Buschhorn, A.J. Campbell, T. Carli, F. Charles, M. Charlet, D. Clarke, A.B. Clegg, B. Clerbaux, S. Cocks, J.G. Contreras, C. Cormack, J.A. Coughlanf, A. Courauab, M.-C. Cousinou, G. Cozzika, L. Criegee, D.G. Cussans, J. Cvach, S. Dagoret, J.B. Dainton, W.D. Dau, K. Daum, M. David, C.L. Davis, B. Delcourt, A. De Roec, E.A. De Wolf, M. Dirkmann, P. Dixon, P. Di Nezza, W. Dlugosz, C. Dollfus, J.D. Dowell, H.B. Dreis, A. Droutskoi, D. Dullmann, O. Dünger, H. Duhm, J. Ebert, T.R. Ebert, G. Eckerlin, V. Efremenko, S. Egli, R. Eichler, F. Eisele, E. Eisenhandler, R.J. Ellison, E. Elsen, M. Erdmann, W. Erdmann, E. Evrard, A.B. Fahr, L. Favart, A. Fedotov, D. Feeken, R. Felst, J. Feltesse, J. Ferencei, F. Ferrarotto, K. Flamm, M. Fleischer, M. Flieser, G. Flügge, A. Fomenko, B. Fominykh, J. Formanek, J.M. Foster, G. Franke, E. Fretwurst, E. Gabathuler, K. Gabathuler, F. Gaede, J. Garvey, J. Gayler, M. Gebauer, A. Gellrich, H. Genzel, R. Gerhards, A. Glazov, U. Goerlac, L. Goerlich, N. Gogitidze, M. Goldberg, D. Goldner, K. Golec-Biernat, B. Gonzalez-Pineiro, I. Gorelov, C. Grab, H. Grässler, R. Grässler, T. Greenshaw, R. Griffiths, G. Grindhammer, A. Gruber, C. Gruber, J. Haack, D. Haidt, L. Hajduk, M. Hampel, W.J. Haynes, G. Heinzelmann, R.C.W. Henderson, H. Henschel, I. Herynek, M.F. Hess, W. Hildesheim, K.H. Hiller, C.D. Hilton, J. Hladký, K.C. Hoeger, M. Höppner, D. Hoffmann, T. Holtom, R. Horisberger, V.L. Hudgson, M. Hütte, H. Hufnagel, M. Ibbotson, H. Itterbeck, A. Jacholkowska, C. Jacobsson, M. Jaffre, J. Janoth, T. Jansen, L. Johnson, K. Johannsen, D.P. Johnson, H. Jung, P.I.P. Kalmus, M. Kander, D. Kant, R. Kaschowitz, U. Kathage, J. Katzy, H.H. Kaufmann, O. Kaufmann, S. Kazarian, I.R. Kenyon, S. Kermiche, C. Keuker, C. Kiesling, M. Klein, C. Kleinwort, G. Knies, T. Köhler, J.H. Köhne, H. Kolanoski, F. Kole, S.D. Kolya, V. Korbel, M. Korn, P. Kostka, S.K. Kotelnikov, T. Krämerkämper, M.W. Krasny, H. Krehbiel, D. Krücker, U. Krüger, U. Krüner-Marquis, H. Küster, M. Kuhlen, T. Kurča, J. Kurzhöfer, D. Lacour, B. Laforgei, R. Lander, M.P.J. Landon, W. Lange, U. Langenegger, J.-F. Laporte, A. Lebedev, F. Lehner, C. Leverenz, S. Levonian, Ch. Ley, G. Lindström, M. Lindstroem, J. Link, F. Linsel, J. Lipinski, B. List, G. Lobo, H. Lohmander, J.W. Lomas, G.C. Lopez, V. Lubimov, D. Lüke, N. Magnussen, E. Malinovski, S. Mani, R. Maraček, P. Marage, J. Marks, R. Marshall, J. Martens, G. Martin, R. Martin, H.-U. Martyn, J. Martyniak, T. Mavroidis, S.J. Maxfield, S.J. McMahon, A. Mehta, K. Meyer, T. Merz, A. Meyer, H. Meyer, J. Meyer, R-O. Meyer, A. Migliori, S. Mikocki, D. Milstead, J. Moeck, F. Moreau, J.V. Morris, E. Mroczko, D. Müller, G. Müller, K. Miiller, P. Murín, V. Nagovizin, R. Nahnhauer, B. Naroska, Th. Naumann, P.R. Newman, D. Newton, D. Neyret, H.K. Nguyen, T.C. Nicholls, F. Niebergall, C. Niebuhr, Ch. Niedzballa, H. Niggli, R. Nisius, G. Nowak, G.W. Noyes, M. Nyberg-Werther, M. Oakden, H. Oberlack, U. Obrock, J.E. Olsson, D. Ozerov, P. Palmen, E. Panaro, A. Panitch, C. Pascaud, G.D. Patel, H. Pawlett, E. Peppel, E. Perez, J.P. Phillips, A. Pieuchot, D. Pitzl, G. Pope, S. Prell, R. Prosi, K. Rabbertz, G. Rädel, F. Raupach, P. Reimer, S. Reinshagen, H. Rick, V. Riech, J. Riedlberger, F. Riepenhausen, S. Riess, E. Rizvi, S.M. Robertson, P. Robmann, H.E. Roloff, R. Roosen, K. Rosenbauer, A. Rostovtsev, F. Rouse, C. Royon, K. Rüter, S. Rusakov, K. Rybicki, N. Sahlmann, D.P.C. Sankey, P. Schacht, S. Schiek, S. Schleif, P. Schleper, W. von Schlippe, D. Schmidt, G. Schmidt, A. Schöning, V. Schröder, E. Schuhmann, B. Schwab, F. Sefkow, M. Seidel, R. Sell, A. Semenov, V. Shekelyan, I. Sheviakov, L.N. Shtarkov, G. Siegmon, U. Siewert, Y. Sirois, I.O. Skillicorn, P. Smirnov, J.R. Smith, V. Solochenko, Y. Soloviev, A. Specka, J. Spiekermann, S. Spielman, H. Spitzer, F. Squinabol, R. Starosta, M. Steenbock, P. Steffen, R. Steinberg, H. Steiner, B. Stella, A. Stellberger, J. Stier, J. Stiewe, U. Stöβlein, K. Stolze, U. Straumann, W. Struczinski, J.P Sutton, S. Tapprogge, [au M. Taševský, V. Tchernyshov, S. Tchetchelnitski, J. Theissen, C. Thiebaux, G. Thompson, P. Truöl, J. Turnau, J. Tutas, P. Uelkes, A. Usik, S. Valkár, A. Valkdrovd, C. Vallée, D. Vandenplas, P. Van Esch, P. Van Mechelen, Y. Vazdik, P. Verrecchia, G. Villet, K. Wacker, A. Wagener, M. Wagener, A. Walther, B. Waugh, G. Weber, M. Weber, D. Wegener, A. Wegner, T. Wengler, M. Werner, L.R. West, T. Wilksen, S. Willard, M. Winde, G.-G. Winter, C. Wittek, E. Wünsch, J. Žáček, D. Zarbock, Z. Zhang, A. Zhokin, M. Zimmer, F. Zomer, J. Zsembery, K. Zuber, and M. zurNedden
Subjects: Physics, Nuclear and High Energy Physics, Cross section (physics), Particle physics, Luminosity (scattering theory), Meson, Proton, Momentum transfer, Theoretical models, High Energy Physics::Experiment, HERA, Nuclear Experiment
Abstract: The total cross sections for the elastic electroproduction of $\rh0$ and $J/\Psi$ mesons for $Q^2$ $>$ 8 GeV$^2$ and $ \simeq 90$ GeV/c$^2$ are measured at HERA with the H1 detector. The measurements are for an integrated electron$-$proton luminosity of $\simeq$~3~pb$^{-1}$. The dependences of the total virtual photon$-$proton ($\gamma^* p$) cross sections on $Q^2$, $W$ and the momentum transfer squared to the proton ($t$), and, for the $\rho$, the dependence on the polar decay angle ($\cos \theta^*$), are presented. The $J/\Psi$ : $\rh0$ cross section ratio is determined. The results are discussed in the light of theoretical models and of the interplay of hard and soft physics processes.
Published: 1996

9. Measurement of the total photon proton cross section and its decomposition at 200 GeV centre of mass energy

Author: C. Cormack, G. G. Winter, C. Vallée, J. Martens, P. Steffen, R. D. Appuhn, F. Kole, K. Rüter, U. Stößlein, C. Niebuhr, J. H. Köhne, D. Zarbock, H. P. Wellisch, R. Nahnhauer, D. Goldner, Max Weber, E. Malinovski, E. Barrelet, David Cussans, P. Goritchev, B. Laforge, Y. Soloviev, T. Carli, M. Kuhlen, G. Grindhammer, Paul Newman, V. L. Hudgson, E. A. De Wolf, Ch. Berger, Karlheinz Meier, K. Rosenbauer, C. Wittek, G. Lindström, C. Gruber, Dusan Bruncko, K. Rybicki, D. Neyret, L. Büngener, H. Krehbiel, A. Pieuchot, T. Mavroidis, B. Naroska, F. Ferrarotto, M. Jaffre, J. E. Olsson, H. Genzel, A. Lebedev, M. Korn, S. Egli, Christoph Grab, G. Thompson, W. Bartel, I. Herynek, K. Daum, G. Knies, T. Greenshaw, P. Bispham, J. Haack, Stephen Maxfield, I. O. Skillicorn, H. B. Dreis, U. Bassler, M. Charlet, G. Buschhorn, G. Bertrand-Coremans, R. Starosta, D. Ozerov, D. Düllmann, Rosario Martín, R. J. Ellison, M. Rietz, D. Haidt, K. C. Hoeger, Murrough Landon, A. E. Wright, H. Itterbeck, Wolfgang Lange, P. Van Mechelen, B. Waugh, G. Weber, H. Henschel, F. W. Büsser, F. Zomer, U. Straumann, H. J. Behrend, J.C. Bizot, M. Goldberg, J. Stiewe, P. Van Esch, E. Evrard, Eram Rizvi, L. Del Buono, L. Criegee, Grzegorz Nowak, W. Braunschweig, C. Jacobsson, A. Gellrich, V. Riech, F. Sefkow, J. P. Sutton, Claus Kleinwort, V. Andreev, G. Heinzelmann, D. Kant, Kerstin Borras, A. Semenov, M. Fleischer, P. Ribarics, T. Jansen, R. Felst, J. Formánek, A. B. Clegg, Andrew Mehta, S. Schiek, S. Tapprogge, H. Spitzer, Armen Vartapetian, M. Hapke, R. Sell, Benno List, J. Gayler, I. R. Kenyon, S. Kazarian, G. Villet, Barbara Clerbaux, R. Kaschowitz, Pierre Marage, E. Mroczko, M. Gebauer, B. Delcourt, D. Vandenplas, H. Küster, F. Brasse, V. Korbel, W.D. Dau, D. Lüke, A. Wegner, N. Gogitidze, H. Rick, J. B. Dainton, U. Siewert, F. Lamarche, A. Rostovtsev, A. Droutskoi, G. Rädel, C. Leverenz, J. Garvey, O. Hamon, S. Levonian, J. Zsembery, J. M. Link, E. Panaro, J. Kurzhöfer, H. Ehrlichmann, E. Wünsch, V. Solochenko, M. Zimmer, A. M. Fomenko, J. D. Dowell, Dave Sankey, M. Wagener, Roland Horisberger, A. Valkárová, U. Kathage, Vincent Boudry, M. Hampel, B. Kuznik, A. Meyer, Ph. Huet, V. Brisson, Yves Sirois, Jean-Francois Laporte, V. Nagovizin, G. D. Patel, P. Loch, S. Riess, Ch. Pichler, K. Gabathuler, A. Buniatian, Jean-Arcady Meyer, D. Wegener, W.J. Haynes, R. Gerhards, M. J. Burton, J. Lipinski, R. Bernet, K. Flamm, G. Franke, Yong Ban, N. Magnussen, K. Johannsen, P. Verrecchia, J. Žáček, A. Courau, Christophe Royon, J. Feltesse, S. Eichenberger, G. Martin, David Schmidt, J. Bähr, S. Spielman, T. Köhler, M. W. Krasny, V. Schröder, S. Schleif, K. H. Hiller, R. C. W. Henderson, N. Sahlmann, H. H. Kaufmann, Eckhard Elsen, Wolfram Erdmann, E. Schuhmann, Winston Ko, S. Aid, P. I. P. Kalmus, J. V. Morris, G. Schmidt, C. Pascaud, V. Efremenko, P. Hill, F. Linsel, P.-O. Meyer, G. W. Noyes, Martin Erdmann, U. Obrock, Zhen Zhang, Guenter Eckerlin, André Schöning, S. Mani, A. Walther, P. Biddulph, Hermann Kolanoski, D. Clarke, H. E. Roloff, M. Forbush, S. Mikocki, J. Bán, J. Tutas, F. Niebergall, J. D. Burger, H. P. Beck, Stephen Burke, A. Braemer, D. Mercer, M. A. Jabiol, W. Zimmermann, Gianfranco Sciacca, J. Riedlberger, H. Hufnagel, J. W. Lomas, I. Sheviakov, D. Newton, V. Lubimov, R. Prosi, J. Ebert, S. Masson, Leif J. Jönsson, John A Coughlan, A. Usik, K. Stolze, M. Höppner, C. A. Meyer, S. Prell, P. Dixon, H. Lohmander, P. Lanius, A. Gruber, R. Buchholz, L. N. Shtarkov, U. Krüger, A. Migliori, Horst Oberlack, Markus Seidel, A. Glazov, V. Tchernyshov, G. Siegmon, H. U. Martyn, Matthias Klein, David Milstead, P. A. Smirnov, Ch. Ley, A. Panitch, C.D. Hilton, J.G. Contreras, Daniel Johnson, R. Beyer, S. Dagoret, P. Palmen, L. Goerlich, F. Moreau, J. Hladký, F. Lehner, J. Theissen, J. Duboc, B. Stella, D. Feeken, A. Jacholkowska, B. Gonzalez-Pineiro, K. Stephens, E. Peppel, M. Arpagaus, S. D. Kolya, M. Oakden, R. Marshall, Dirk Krücker, R. Roosen, J. Ferencei, V I. Shekelyan, A. Wagener, S. Reinshagen, J. Martyniak, K. Wacker, R. Steinberg, J. Spiekermann, R. L. Lander, Daniel Pitzl, Frank Raupach, S. M. Robertson, N. Wulff, B. Fominykh, P. Kasselmann, F. Charles, J. Katzy, H. K. Nguyen, I. V. Gorelov, K. Müller, R.K. Griffiths, R. Grässler, Ch. Coutures, W. Struczinski, U. Krüner-Marquis, G. Müller, M. F. Hess, Emmanuelle Perez, G. Lobo, P. Kostka, J. M. Foster, S. Bourov, Carl R. Brune, M. Barth, J. Turnau, K. Zuber, Eckhart Fretwurst, M. Steenbock, S. K. Kotelnikov, L. Hajduk, B. Andrieu, H. Meyer, S. Kermiche, W. Hildesheim, J. Cvach, Ch. Niedzballa, P. Di Nezza, Peter Robmann, S. Willard, M. Winde, P. Uelkes, Didier Lacour, M. Hütte, L. Johnson, G. Pope, Steve McMahon, P. Baranov, O. Dünger, F. Botterweck, Peter Schleper, T. Krämerkämper, R. Maraček, W. von Schlippe, Marc Besancon, A.S. Belousov, Sergey Rusakov, T. Merz, P. Truöl, H. Pawletta, R. Nisius, J. R. Smith, E. Eisenhandler, Th. Naumann, H. Duhm, E. Gabathuler, M. David, C.L. Davis, M. Flieser, J. Stier, J. Marks, Y. Vazdik, L.R. West, M. Nyberg-Werther, T. R. Ebert, A. Fedotov, Günter Flügge, T. P. Yiou, M. zurNedden, C. Kiesling, A. De Roeck, A. J. Campbell, T. Kurča, J. Janoth, Volker Blobel, R. Eichler, G. Cozzika, F. Eisele, C. Keuker, J.P. Phillips, Klaus Rabbertz, Stefan Valkar, Hannes Jung, Alexander Zhokin, B. Schwab, Pavel Murin, H. Grässler, M. Ibbotson, R. Barschke, Laurent Favart, C. Dollfus, F. Rouse, Ulrich Goerlach, T. C. Nicholls, Peter Schacht, G. C. Lopez, Gregorio Bernardi, Anton Babaev, C. Thiebaux, J. Strachota, and P. E. Reimer
Subjects: Nuclear physics, Physics, Elastic scattering, Particle physics, Cross section (physics), Photon, Physics and Astronomy (miscellaneous), Proton, Detector, High Energy Physics::Experiment, Center of mass, HERA, Dissociation (chemistry)
Abstract: We present a new measurement of the total photoproduction cross section performed with the H1 detector at HERA. For an average centre of mass energy of 200 GeV a value of σtotλp=165±2±11µb has been obtained. A detailed analysis of the data in adequate kinematic regions enabled a decomposition of the total cross section in its elastic, single diffractive dissociation and remaining non-diffractive parts, based on safe assumptions on the double diffractive dissociation contribution.
Published: 1995

10. A search for heavy leptons at HERA

Author: Peter Robmann, S. Aid, P. E. Reimer, J. Duboc, B. Stella, G. Müller, E. M. Hanlon, Carl R. Brune, M. Barth, L. R. West, V. Korbel, K. Rüter, C. Niebuhr, R. D. Appuhn, H. Krehbiel, A. Gellrich, F. Lamarche, G. G. Winter, B. Gonzalez-Pineiro, Hermann Kolanoski, P. Steffen, D. Clarke, John A Coughlan, Horst Oberlack, K. Rosenbauer, M. Vecko, P. R. Newman, J. Riedlberger, D. Mercer, G. Buschhorn, S. M. Robertson, R. L. Lander, S. Levonian, S. Masson, M. Colombo, D. Goldner, Y. Soloviev, Mikhail Danilov, F. Charles, M. F. Hess, G. Villet, Pierre Marage, H. U. Martyn, Matthias Klein, G. Lindström, K. Stephens, E. Peppel, R. Roosen, C. Gruber, H. P. Wellisch, Max Weber, J. Turnau, T. Jansen, M. Steenbock, Murrough Landon, A. E. Wright, J. Martyniak, G. Thompson, E. Malinovski, M. Kuhlen, A. Courau, B. Andrieu, T. Carli, K. Flamm, Christophe Royon, R. Nisius, Benno List, A. Buniatian, K. C. Hoeger, C. A. Meyer, G. Grindhammer, G. Rädel, D. Lüke, E. Wünsch, B. Fominykh, P. I. P. Kalmus, M. Hampel, B. Kuznik, R. Kaschowitz, W. Hildesheim, Roland Horisberger, A. Valkárová, V. Riech, I. Sheviakov, D. Wegener, W.J. Haynes, Ph. Huet, S. Riess, A. Gruber, I. W. Walker, A. Braemer, K. Rybicki, H. Itterbeck, P. Van Mechelen, M. Hapke, D. Düllmann, H. Henschel, D. Kant, Ch. Pichler, P. Hill, J. Bán, H. J. Behrend, J.C. Bizot, Emmanuelle Perez, Christoph Grab, Kerstin Borras, A. Semenov, M. Goldberg, Peter Schacht, G. C. Lopez, O. Dünger, M. Korn, Winston Ko, Dave Sankey, G. Siegmon, Jean-Arcady Meyer, R. Nahnhauer, E. Barrelet, U. Krüger, F. Botterweck, K. Daum, C. Pascaud, P. Loch, R. Gerhards, G. Weber, U. Straumann, David Cussans, F. Moreau, J. Hladký, J. Martens, Daniel Johnson, Vincent Hedberg, Frank Raupach, G. Knies, Armen Vartapetian, J. D. Dowell, R. J. Ellison, R. Marshall, Guenter Eckerlin, G. Cozzika, Dirk Krücker, L. N. Shtarkov, G. D. Patel, André Schöning, F. Kole, S. Schiek, F. Eisele, A. Jacholkowska, P. Verrecchia, J. R. Smith, S. Dagoret, T. Köhler, M. W. Krasny, F. Linsel, A. Wegener, L. Goerlich, A. Panitch, Martin Erdmann, S. D. Kolya, E. A. De Wolf, Ch. Berger, V. Schröder, R. Herma, Karlheinz Meier, J. Heatherington, J. Haack, Stefan Valkar, U. Obrock, Wolfgang Lange, E. Eisenhandler, Gregorio Bernardi, F. Niebergall, K. H. Hiller, Eckhart Fretwurst, I. O. Skillicorn, H. H. Kaufmann, H. B. Dreis, Eckhard Elsen, F. Brasse, R. C. W. Henderson, D. Newton, J. Gayler, R. Maraček, Anton Babaev, V. Efremenko, J. Ferencei, Steve McMahon, C. Thiebaux, S. Eichenberger, V I. Shekelyan, A. Walther, N. Wulff, J. Tutas, J. D. Burger, R. Prosi, L. Büngener, Hannes Jung, W. von Schlippe, T. Merz, U. Krüner-Marquis, P. Lanius, C. Vallée, E. Sanchez, W. Zimmermann, I. Tichomirov, K. Wacker, R. Steinberg, I. Herynek, J. Baehr, N. Magnussen, S. Mikocki, David Schmidt, J. Strachota, Markus Seidel, V. Tchernyshov, S. Tapprogge, W.D. Dau, N. Sahlmann, E. Evrard, P. Kasselmann, E. Schuhmann, B. Schwab, K. Gabathuler, A. Lebedev, Grzegorz Nowak, S. Egli, J. B. Dainton, C. Jacobsson, P. Biddulph, M. Fleischer, K. Johanssen, M. A. Jabiol, Pavel Murin, H. Grässler, M. Rietz, D. Haidt, H. Hufnagel, J. Feltesse, U. Bassler, M. Ibbotson, G. Bertrand-Coremans, R. Starosta, Daniel Pitzl, J. Kurzhöfer, V. Nagovizin, U. Seehausen, R. Eichler, F. Sefkow, P. Ribarics, G. Heinzelmann, C.D. Hilton, L. Criegee, B. Delcourt, M. Höppner, R. Felst, J.G. Contreras, J. P. Kubenka, U. Kathage, U. Stösslein, H. Meyer, S. Kermiche, Laurent Favart, S. Prell, S. K. Kotelnikov, L. Hajduk, J. Formánek, M. Gebauer, C. Dollfus, J. Garvey, R. Buchholz, C. Leverenz, David Milstead, V. Brisson, G. W. Noyes, A. M. Fomenko, P. A. Smirnov, O. Hamon, H. Küster, H. Shooshtari, F. Rouse, P. Baranov, J. V. Morris, G. Schmidt, Didier Lacour, G. Pope, Peter Schleper, Ulrich Goerlach, Dusan Bruncko, M. Jaffre, J. E. Olsson, Marc Besancon, M. Forbush, A. Schwind, B. Naroska, F. Ferrarotto, A.S. Belousov, Sergey Rusakov, P. Truöl, H. Genzel, W. Bartel, T. Greenshaw, C. Schmidt, J.P. Phillips, J. P. Sutton, P. Di Nezza, Rosario Martín, P. Van Esch, Stephen Maxfield, A. Lindner, J. Janoth, A. Rostovtsev, Claus Kleinwort, J. Stiewe, F. W. Büsser, Volker Blobel, P. Goritchev, C. Keuker, W. Braunschweig, K. Gamerdinger, A. B. Clegg, R. Rylko, Andrew Mehta, N. Gogitidze, R. Sell, D. Neyret, T. Mavroidis, S. Kazarian, U. Siewert, F. Zomer, A. M. Goodall, L. Del Buono, V. Andreev, M. Zimmer, Vincent Boudry, Jean-Francois Laporte, H. Ehrlichmann, Yves Sirois, J. Lipinski, G. Franke, Zhen Zhang, J. Žáček, J. Ebert, J. M. Foster, S. Mani, H. P. Beck, Stephen Burke, A. Usik, M. Savitsky, K. Zuber, J. Cvach, H. Bergstein, Th. Naumann, H. Duhm, E. Gabathuler, E. Deffur, P. Kostka, Ch. Ley, M. David, S. Reinshagen, A. Wagener, H. K. Nguyen, I. V. Gorelov, K. Müller, R. Grässler, Ch. Coutures, W. Struczinski, M. Flieser, J. Stier, M. Arpagaus, Y. Vazdik, M. Nyberg-Werther, T. R. Ebert, A. Fedotov, Günter Flügge, T. P. Yiou, C. Kiesling, A. De Roeck, A. J. Campbell, Richard E. Taylor, T. Ahmed, Th. Wolff, T. Kurča, S. Willard, I. R. Kenyon, H. Spitzer, M. Winde, R. Bernet, P. Uelkes, L. Johnson, H. E. Roloff, Leif J. Jönsson, H. Lohmander, and D. Feeken
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Branching fraction, Astrophysics::High Energy Astrophysical Phenomena, Electron–positron annihilation, High Energy Physics::Phenomenology, HERA, Massless particle, Nuclear physics, Particle decay, W and Z bosons, High Energy Physics::Experiment, Neutrino, Lepton
Abstract: A search for direct production of new leptons in the mass range from 10 GeV up to 225 GeV is presented by the H1 experiment at HERA. The data were obtained during 1993 and correspond to an integrated luminosity of 528 nb −1 . The search includes heavy lepton decays to final states e ( ν ) γ and e ( ν ) W , e ( ν ) Z with the subsequent decay of the W and Z bosons into jets or lepton pairs. No evidence was found for the production of new massive electrons or neutrinos in any of the decay channels. Rejection limits for excited electrons and neutrinos are derived.
Published: 1994

11. A study of four fermion processes at LEP

Author: P. Marchesini, M. MacDermott, M. A. Niaz, T. Angelescu, R. Malik, G. Landi, S. X. Wu, Simone Paoletti, Manjit Kaur, Ming Zeng, X. R. Shi, Daqiang Zhang, H. Anderhub, W. van Rossum, P. Extermann, J. Busenitz, J. M. Lubbers, M. Caria, Felicitas Pauss, L. Romero, Raffaello D'Alessandro, D. DiBitonto, M. Röhner, S. Rosier-Lees, R. Barillère, Christoph Schäfer, I. Leedom, B. Z. Yang, H. Hofer, K. L. Tung, Yu. Kamyshkov, Adrian Biland, A. Koulbardis, Ph. Rosselet, Wt Lin, D.W. Schmitz, G. Pascale, G.G.G. Massaro, C. Leggett, Claudio Luci, M. Guanziroli, Robert Clare, Leonardo Merola, W. G. Ma, Thomas Hebbeker, Paul Lecoq, R. W. Kraemer, M. Napolitano, I. Josa-Mutuberria, P. Le Coultre, H. S. Chen, J. G. Xu, L. Servoli, S. J. Fan, M. Fukushima, G.B. Mills, Maurizio Biasini, L. Urbán, Giovanni Ambrosi, M. Bourquin, S. Röhner, F. Wittgenstein, Zhuoxiang Ren, Y. J. Pei, Roberto Battiston, D. J. Schotanus, J. P. Martin, F. Ferroni, I. Vorobiev, Y. Zeng, J. M. You, L. Ludovici, M. Steuer, G. Forconi, J. Weber, K. Hangarter, C. G. Yang, Peter Denes, Paolo Bagnaia, K. Strauch, M. Lenti, Stefan Roth, E. Drago, T. Azemoon, R. T. Van de Walle, V. Koutsenko, A. Nadtochy, Egidio Longo, P. Zemp, R. de Asmundis, V. R. Krastev, Marta Felcini, K. Banicz, J. K. Kim, R. Starosta, D. Perret-Gallix, D. Luckey, W. Lu, Steven Ahlen, E. Shumilov, A. Marin, G. M. Bilei, Gy L. Bencze, G. A. Yang, A. C. Weber, A. Engler, M. M. Ilyas, V. Shoutko, J. M. Le Goff, B. C. Riemers, Reinhard W. Schulte, K. S. Kumar, D. H. Wright, N. Gheordanescu, M. Capell, D. Boutigny, W. Kittel, A. Arefiev, A. Adam, T. Paul, Francesco Becattini, I. Scott, Marcos Cerrada, S. C. Tonwar, Andrea Contin, J. C. Sens, G. S. Sanders, Andre Sopczak, Gerard Fernandez, M. Tonutti, P. G. Seiler, J. A. Rubio, H. S. Fesefeldt, Y. Mi, R. Fabbretti, Gerjan Bobbink, B. Borgia, H. R. Dimitrov, M. T. Choi, Frank Filthaut, M. Möller, O. Fackler, R. Weill, Francesca Nessi-Tedaldi, K. N. Qureshi, W. Friebel, F. Cesaroni, J. Y. Liao, Thomas Ferguson, Axel König, M. Hebert, E. Valente, M. Wadhwa, Panos A Razis, Jozsef Toth, A. L. Anderson, F. Marion, J. D. Burger, H. F. Chen, A. Buytenhuijs, A. Gougas, Bolek Wyslouch, J. Ulbricht, Georgi Sultanov, T. S. Dai, G. Mirabelli, Yu. Galaktionov, Emilio Leonardi, G. Rahal-Callot, J. F. Zhou, R. A. Khan, B. P. Roe, C. Wang, J. Alcaraz, D. McNally, E. Gonzalez, S. Patricelli, Stefan Kirsch, Marco Meschini, Elisabetta Gallo, R. Bock, O. Toker, A. Lebedev, D. Kirkby, K. Riles, Dong-Chul Son, T. Kramer, E. Dénes, R. Sehgal, Pierluigi Paolucci, H. El Mamouni, J. J. Blaising, Chenjie Gu, Q. Ye, Chenliang Wang, J. Berdugo, F. Cotorobai, Stefano Giagu, P. Schmitz, K. Lübelsmeyer, Piero Spillantini, M. Gailloud, P. Arce, G. Schwering, G. Viertel, I. Clare, F. J. Rodriguez, F. Marzano, G. Coignet, W. Krenz, V. P. Andreev, H. R. Gustafson, Christopher George Tully, G. Chiefari, D. Z. Shen, S. Shevchenko, S. Reucroft, E. Nagy, F. Plasil, Mariagrazia Alviggi, C. F. He, D. Goujon, K. Schultze, H. Suter, J. M. Ma, Mingshui Chen, Luca Lista, S. Shotkin, K. Freudenreich, Helmut Vogel, M. Chemarin, J. A. Bakken, M. Sassowsky, Wolfgang Lohmann, H. Vogt, B. Bertucci, Samuel C.C. Ting, G. F. Susinno, Cheng Chen, A. Mihul, S. C. Kim, M. Pauluzzi, S. Morganti, A. Bujak, Oliver Kornadt, M. Pohl, F. Behner, G. M. Chen, Vincenzo Innocente, L. Fredj, J. Schwenke, F. C. Erné, Nicanor Colino, M. L. Brooks, I. Vetlitsky, D. Lanske, W. J. Burger, Andrea Baschirotto, C. Zaccardelli, D. Fernandez, Kajari Mazumdar, D. Ren, X. Y. Cui, Yuehong Xie, Roberto Castello, A. Kasser, Y. F. Wang, R. Leiste, P. Vikas, S. Costantini, L. Martinez-Laso, Christoph Paus, G. Passaleva, J. Shukla, G. Tsipolitis, A. A. Vorobyoy, S. Khokhar, T.R. McMahon, S. Müller, A. A. Syed, W. W. Kinnison, S. C. Yeh, U. Vikas, Guofan Hu, L. J. Gutay, Z. M. Wang, A. Atamanchuk, M. S. Sarakinos, S. Lanzano, Yanwen Liu, M. Rescigno, C. Maña, O. Adriani, U. Becker, I. C. Brock, D. Gele, Xd Cai, M. Bosetti, C. Dionisi, B. Monteleoni, T. E. Coan, J. G. Branson, F. Sticozzi, A. Pevsner, Pablo Garcia-Abia, K. Sudhakar, Lucas Taylor, Lamberto Luminari, S. Easo, Alain Hervé, Davide Piccolo, I. Duran, Z. W. Yin, J. S. Lee, S. N. Ganguli, V. Plyaskin, M. Fabre, M. Schneegans, D. M. Lee, M. Yzerman, A. Bay, Sabine Riemann, S. Wynhoff, C-Q. Li, A. Degré, J. B. Ye, Carlo Civinini, Marcella Diemoz, R. Morand, Z. L. Xue, O. Rind, M. Maolinbay, G. Raven, F. J. Eppling, G. J. Zhou, L. W. Jones, Howard A. Stone, M. Rattaggi, M. T. Dova, M. Aguilar-Benitez, J. Mnich, R. C. Ball, Herwig Schopper, Y. G. Kim, V. K. Gupta, Jun Guo, Pierre Lecomte, D. P. Stickland, G. Sartorelli, B. Lindemann, H. Postema, M. White, Y. H. Chang, D. S. Yan, H. O. Cohn, L. Antonov, George Alverson, S. M. Ting, A. Rubbia, Werner Lustermann, Y. Mir, C. H. Ye, J. S. Kapustinsky, D. Pandoulas, Marcel Merk, X. T. Cui, S. Ro, T. Spickermann, J. Perrier, A. Krivshich, Michael Dittmar, Bernard Ille, J. D. Swain, P. McBride, R. Bizzarri, J. Bao, H. A. Rizvi, Gianpaolo Carlino, F. DeNotaristefani, A. Böhm, A. Kunin, J. M. Salicio, Hafeez R Hoorani, W. Y. Chen, W. J. Metzger, S. Goldfarb, J. T. He, F. L. Linde, S. Pensotti, Valery Schegelsky, Antonino Zichichi, Ph Fisher, H. Rykaczewski, Giovanni Organtini, Y. Karyotakis, S. Chung, P.V.K.S. Baba, Attilio Santocchia, Jean Fay, M. Dhina, Z. Y. Lin, N. Yunus, P. Berges, R. Mount, B. L. Betev, Ren-Yuan Zhu, Luciano Barone, A. Nippe, G. Gratta, D. Duchesneau, Alexander Malinin, X. L. Wang, A. Gurtu, A. M. Cartacci, R. Raghavan, Els Koffeman, H. J. Schreiber, Laurent Vuilleumier, Z. F. Gong, E. Brambilla, Z. Z. Xu, J. Wenninger, V. Pojidaev, A. Hasan, H. Kuijten, M. N. Kienzle-Focacci, R. Rosmalen, J. Behrens, V. Soulimov, A. Tsaregorodtsev, P. J. Li, K. Y. Lee, P. Lebrun, BT Bouwens, Guo-Ming Chen, U. Uwer, A. Chen, J. Salicio, M. Gruenewald, U. K. Chaturvedi, Y. S. Lu, J. H. Field, C. Y. Chien, A. Kirkby, Dimitri Bourilkov, N. E. Moulai, E. Fiandrini, Luca Malgeri, G. Sauvage, Z. D. Qi, Harvey B Newman, K. Hilgers, L. Djambazov, Konrad Deiters, M. Vivargent, M. Sachwitz, Alberto Aloisio, A. Ricker, X. W. Tang, I. Sheer, P. A. Piroué, B. Zhou, B. C.C. van der Zwaan, Tariq Aziz, Crisostomo Sciacca, Marco Pieri, C. Neyer, P. G. Rancoita, B. N. Jin, H. Nowak, W. Wallraff, T. J. Wenaus, S. Banerjee, Zp Zhang, G. Terzi, D. Antreasyan, Qi An, P. Kapinos, P. Duinker, Simonetta Gentile, A. Klimentov, H. Janssen, Kenneth Francis Read, L. Z. Sun, D. Hauschildt, Jianming Qian, G. Hu, Carlos Willmott, Speranza Falciano, H. T. Li, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), CMS, Institut de Physique des 2 Infinis de Lyon (IP2I Lyon), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), L3, and IHEF (IoP, FNWI)
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Luminosity (scattering theory), 010308 nuclear & particles physics, Electron–positron annihilation, Monte Carlo method, Elementary particle, Fermion, 01 natural sciences, Standard Model, Nuclear physics, Recoil, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, 010306 general physics, Particle Physics - Experiment, Bhabha scattering
Abstract: We have studied the four-fermion processes ee → eeee, eeμμ, eeττ, μμμμ, μμττ, eeqq and μμqq with the L3 detector at LEP. For an integrated luminosity of 36 pb-, corresponding to 960 000 hadronic Z decays, we find a total of 67 candidate events. The rate and kinematical distributions are found to be consistent with first order Monte Carlo calculations based on the Standard Model. No significant structure is seen in the dilepton invariant or recoil mass spectra. © 1994.
Published: 1994

12. Inclusive search for the charmless radiative decay of the b-quark (b → sγ)

Author: L. Vuilleumier, Yu. Kamyshkov, V. K. Gupta, I. Clare, R. Bizzarri, Gianpaolo Carlino, A.M. Cartacci, Roberto Battiston, M. T. Choi, S. Ro, J. Munich, B. Borgia, G. Schwering, Ren-Yuan Zhu, J. M. Lubbers, R. Fabbretti, D. DiBitonto, M. Maolinbay, W. Lohmann, A. C. Weber, B. N. Jin, F. Wittgenstein, G. F. Susinno, L. Z. Sun, Luca Lista, A. Tsaregorodtsev, P. Berges, T. E. Coan, A. Lebedev, Dong-Chul Son, A. A. Syed, A. Santocchia, F. Nessi-Tedaldi, R. Becker, M. Yzerman, J. J. Blaising, K. L. Tung, Jun Guo, B. Lindemann, D. H. Zhang, F. Sticozzi, A. Mihul, K. S. Kumar, B. C. Stringfellow, Yuehong Xie, J. Perrier, A. Gurtu, G. Pascale, M. Fukushima, S. Shotkin, V. R. Krastev, H.F. Chen, J. Busenitz, K. Schultze, G. Landi, W. Y. Chen, E. Nagy, Dimitri Bourilkov, B.C. Riemers, R. Mount, Pablo Garcia-Abia, K. Lübelsmeyer, Alain Hervé, S. Kirsch, A. Nippe, Alexander Malinin, E. Brambilla, B. Hartmann, Mariagrazia Alviggi, Tariq Aziz, A. Hasan, M. Pauluzzi, D. Lanske, R. Barillère, Jianming Qian, A. Bay, G. Hu, Maria-Teresa Dova, Raffaello D'Alessandro, R. Raghavan, A. C. König, M. Merk, Christoph Paus, H. Nowak, M. M. Ilyas, Leonardo Merola, X. W. Tang, D. Ren, Carlo Civinini, A.A. Vorobyov, J. G. Xu, G. Raven, I. Vetlitsky, A. Marin, J. S. Lee, W.G. Ma, M. Lenti, P. Extermann, D. M. Lee, S. Jezequel, Zheng Wang, R. Rosmalen, M. Aguilar-Benitez, C. Gu, K. Freudenreich, B. Z. Yang, Yueh-Feng Liu, D. Pandoulas, D. Fernandez, J. Berdugo, Yongsun Kim, Stefan Roth, M. Röhner, B. Zhou, G. Fernandez, H. Postema, C. Spartiotis, D. Perret-Gallix, J. Bechtluft, W. van Rossum, M. Chen, V. Pojidaev, Adrian Biland, B. Ille, C. Dionisi, T. Spickermann, T. Azemoon, L. Gutay, F. J. Rodriguez, G. Finocchiaro, Y. Karyotakis, N. Yunus, S. Schulte, G. Gratta, Z. Y. Lin, J. M. Salicio, Z. D. Qi, A. Krivshich, Z. F. Gong, K. Sudhakar, E. Drago, R. Morand, Z. L. Xue, G. B. Mills, H.J. Schreiber, S. J. Fan, M. Pohl, M. Hebert, Crisostomo Sciacca, J. C. Sens, D. Antreasyan, M. Brooks, Marco Pieri, Charles Leggett, J. A. Rubio, G. Yang, J. D. Burger, G. Rahal-Callot, M. Zeng, A. L. Anderson, Marta Felcini, B. L. Betev, Harvey B Newman, K. Hilgers, Marcos Cerrada, P. Zemp, A. Rubbia, S. Ahlen, V. Schegelsky, D. H. Wright, J. B. Ye, O. Fackler, Howard A. Stone, T.S. Dai, M. Guanziroli, Z. L. Ren, E. Fiandrini, W. Kittel, L. Ludovici, N. Gheordanescu, Y. J. Pei, E. Leonardi, Y. S. Lu, A. Gougas, D. P. Stickland, J. F. Zhou, Francesco Becattini, G. M. Bilei, D. Gele, A. Engler, P. Duinker, Andrea Contin, M. Capell, G. Forconi, D. Goujon, J. M. Ma, R. T. Van de Walle, P. Marchesini, S. Giagu, O. Adriani, J. K. Kim, Konrad Deiters, M. Dhina, M. Vivargent, T. McMahon, P. G. Seiler, Y. Mir, K. Read, L. Servoli, R. Malik, Martin White, Alberto Aloisio, Lucas Taylor, A. Ricker, S. Patricelli, S. Easo, H. S. Fesefeldt, A. Klimentov, F. Marion, U. K. Chaturvedi, J. Alcaraz, D. Boutigny, J. P. Martin, Wt Lin, J. S. Kapustinsky, Zhiqing Zhang, L. Djambazov, A. Böhm, C. R. Wang, G. J. Bobbink, M. Bourquin, Y. F. Wang, J. Y. Liao, L. Fredj, D. Hauschildt, G. Coignet, S. Lanzano, K. Strauch, A. Sopczak, Jorg Wenninger, C. Chen, M. MacDermott, J. H. Field, C. Y. Chien, A. Kirkby, J. Bao, F. Ferroni, I. Sheer, D. McNally, C. Willmott, P. A. Piroué, W. J. Burger, H. Suter, Yu. Galaktionov, D. Z. Shen, X. D. Cai, C. Li, R. Bock, M. Fabre, C. Zaccardelli, U. Becker, P. Lebrun, S. Wynhoff, Hans J. Vogel, B. C.C. van der Zwaan, E. Longo, M. Rescigno, Tobias Kramer, S. Khokhar, H. Anderhub, J. A. Bakken, W. W. Kinnison, S. C. Yeh, M. Sassowsky, I. Duran, D. Duchesneau, P. G. Rancoita, J. Schwenke, S. Riemann, J. Behrens, P. J. Li, M. S. Sarakinos, R. A. Khan, B. Monteleoni, R. Weill, M. Caria, F. Cotorobai, C. Maña, E. Dénes, A. Atamanchuk, V. Plyaskin, BT Bouwens, G. J. Zhou, L. W. Jones, D. S. Yan, G. Terzi, P. H. Fisher, H. Kuijten, H.R. Dimitrov, Q. An, S. Goldfarb, M. Schneegans, H. R. Gustafson, R. Sehgal, U. Uwer, M. N. Kienzle-Focacci, W. Wallraff, A. Chen, J. Salicio, S. Banerjee, R. de Asmundis, L. Luminari, H. O. Cohn, P. Arce, S. M. Ting, Kajari Mazumdar, S. Müller, C. Neyer, S. Chung, X. T. Cui, M. Dittmar, R. C. Ball, F. Cesaroni, Pierluigi Paolucci, G. Sartorelli, F. Pauss, S. Paoletti, Manjit Kaur, G. Mirabelli, Y. Mi, D. Luckey, A. Nadtochy, D.W. Schmitz, G.G.G. Massaro, Robert Clare, Thomas Hebbeker, Paul Lecoq, R. W. Kraemer, I. Leedom, M. Napolitano, M. Gailloud, S. Falciano, M. Wadhwa, D. J. Schotanus, J. Tóth, K. N. Qureshi, M. Möller, Fj Eppling, A. Buytenhuijs, C. G. Yang, Z. Z. Xu, G. Chiefari, S. Shevchenko, Q. Ye, F. Behner, Andrea Baschirotto, L. Martinez-Laso, G. Chen, L. Antonov, S. Reucroft, W. Lustermann, John Swain, B. Wysłouch, G. Organtini, A. Kunin, E. Gonzalez, Peter Denes, J. Ulbricht, Paolo Bagnaia, G. Viertel, H. El Mamouni, S. C. Tonwar, K. Y. Lee, Frank Filthaut, Patricia McBride, Thomas Ferguson, Marco Meschini, F. Marzano, E. Gallo, J. Shukla, G. S. Sanders, R. Klöckner, D. Kirkby, V. Innocente, C. Wang, Christopher George Tully, Igor Vorobiev, H. T. Li, M. Sachwitz, Panos A Razis, Y. H. Chang, B. Bertucci, H. Rykaczewski, X. R. Shi, Nicanor Colino, P. Vikas, W. J. Metzger, N. E. Moulai, H. Vogt, S. Rosier-Lees, E. Koffeman, P. Kapinos, Georgios Tsipolitis, K. Hangarter, W. Friebel, A. Pevsner, R. Starosta, Gy L. Bencze, X. Y. Cui, Reinhard W. Schulte, E. Shumilov, S. Morganti, V. Shoutko, Roberto Castello, R. Leiste, C. Warner, F. Plasil, J. T. He, H. S. Chen, O. Rind, Hafeez R. Hoorani, G. Sauvage, M. Tonutti, U. Vikas, Georgi Sultanov, X. L. Wang, V. P. Andreev, M. Chemarin, Ingrid U. Scott, F. L. Linde, S. Pensotti, Antonino Zichichi, P. Spillantini, J. M. Le Goff, A. Kasser, Guofan Hu, Jean Fay, S. N. Ganguli, T. Paul, H. A. Rizvi, L. Barone, M. Bosetti, J. G. Branson, Giovanni Ambrosi, Davide Piccolo, F. DeNotaristefani, S. Gentile, Z. W. Yin, Luciano Romero, A. Degré, C. F. He, M. Rattaggi, H. Janssen, G. M. Chen, B. P. Roe, P. Lecomte, A. Bujak, Oliver Kornadt, J. M. You, M. Diemoz, V. Koutsenko, A. Arefiev, K. Riles, H. Schopper, A. Koulbardis, W. Krenz, S. X. Wu, Ph. Rosselet, C. H. Ye, M. Steuer, Samuel C.C. Ting, G. Passaleva, M. W. Gruenewald, I. Josa-Mutuberria, S. C. Kim, C. Luci, L. Urbán, M. A. Niaz, H. Hofer, George Alverson, P. V.K.S. Baba, P. Le Coultre, T. J. Wenaus, Y. Zeng, E. Valente, P. Schmitz, M. Biasini, J. Weber, I. C. Brock, F. C. Erné, T. Angelescu, IHEF (IoP, FNWI), Adriani, O., Aguilarbenitez, M., Ahlen, S., Alcaraz, J., Aloisio, Alberto, Alverson, G., Alviggi, Mariagrazia, Ambrosi, G., An, Q., Anderhub, H., Anderson, A. L., Andreev, V. P., Angelescu, T., Antonov, L., Antreasyan, D., Arce, P., Arefiev, A., Atamanchuk, A., Azemoon, T., Aziz, T., P. V. K., Bagnaia, P., Bakken, J. A., Ball, R. C., Banerjee, S., Bao, J., Barillere, R., Barone, L., Baschirotto, A., Battiston, R., Bay, A., Becattini, F., Bechtluft, J., Becker, R., Becker, U., Behner, F., Behrens, J., Bencze, G. L., Berdugo, J., Berges, P., Bertucci, B., Betev, B. L., Biasini, M., Biland, A., Bilei, G. M., Bizzarri, R., Blaising, J. J., Bobbink, G. J., Bock, R., Bohm, A., Borgia, B., Bosetti, M., Bourilkov, D., Bourquin, M., Boutigny, D., Bouwens, B., Brambilla, E., Branson, J. G., Brock, I. C., Brooks, M., Bujak, A., Burger, J. D., Burger, W. J., Busenitz, J., Buytenhuijs, A., Cai, X. D., Capell, M., Caria, M., Carlino, G., Cartacci, A. M., Castello, R., Cerrada, M., Cesaroni, F., Chang, Y. H., Chaturvedi, U. K., Chemarin, M., Chen, A., Chen, C., Chen, G., Chen, G. M., Chen, H. F., Chen, H. S., Chen, M., Chen, W. Y., Chiefari, Giovanni, Chien, C. Y., Choi, M. T., Chung, S., Civinini, C., Clare, I., Clare, R., Coan, T. E., Cohn, H. O., Coignet, G., Colino, N., Contin, A., Cotorobai, F., Cui, X. T., Cui, X. Y., Dai, T. S., Dalessandro, R., Deasmundis, R., Degre, A., Deiters, K., Denes, E., Denes, P., Denotaristefani, F., Dhina, M., Dibitonto, D., Diemoz, M., Dimitrov, H. R., Dionisi, C., Dittmar, M., Djambazov, L., Dova, M. T., Drago, E., Duchesneau, D., Duinker, P., Duran, I., Easo, S., Elmamouni, H., Engler, A., Eppling, F. J., Erne, F. C., Extermann, P., Fabbretti, R., Fabre, M., Falciano, S., Fan, S. J., Fackler, O., Fay, J., Felcini, M., Ferguson, T., Fernandez, D., Fernandez, G., Ferroni, F., Fesefeldt, H., Fiandrini, E., Field, J. H., Filthaut, F., Finocchiaro, G., Fisher, P. H., Forconi, G., Fredj, L., Freudenreich, K., Friebel, W., Fukushima, M., Gailloud, M., Galaktionov, Y., Gallo, E., Ganguli, S. N., Garciaabia, P., Gele, D., Gentile, S., Gheordanescu, N., Giagu, S., Goldfarb, S., Gong, Z. F., Gonzalez, E., Gougas, A., Goujon, D., Gratta, G., Gruenewald, M., Gu, C., Guanziroli, M., Guo, J. K., Gupta, V. K., Gurtu, A., Gustafson, H. R., Gutay, L. J., Hangarter, K., Hartmann, B., Hasan, A., Hauschildt, D., C. F., He, J. T., He, Hebbeker, T., Hebert, M., Herve, A., Hilgers, K., Hofer, H., Hoorani, H., Hu, G., G. Q., Hu, Ille, B., Ilyas, M. M., Innocente, V., Janssen, H., Jezequel, S., Jin, B. N., Jones, L. W., Josamutuberria, I., Kasser, A., Khan, R. A., Kamyshkov, Y., Kapinos, P., Kapustinsky, J. S., Karyotakis, Y., Kaur, M., Khokhar, S., Kienzlefocacci, M. N., Kim, J. K., Kim, S. C., Kim, Y. G., Kinnison, W. W., Kirkby, A., Kirkby, D., Kirsch, S., Kittel, W., Klimentov, A., Klockner, R., Konig, A. C., Koffeman, E., Kornadt, O., Koutsenko, V., Koulbardis, A., Kraemer, R. W., Kramer, T., Krastev, V. R., Krenz, W., Krivshich, A., Kuijten, H., Kumar, K. S., Kunin, A., Landi, G., Lanske, D., Lanzano, S., Lebedev, A., Lebrun, P., Lecomte, P., Lecoq, P., Lecoultre, P., Lee, D. M., Lee, J. S., Lee, K. Y., Leedom, I., Leggett, C., Legoff, J. M., Leiste, R., Lenti, M., Leonardi, E., Li, C., H. T., Li, P. J., Li, Liao, J. Y., Lin, W. T., Lin, Z. Y., Linde, F. L., Lindemann, B., Lista, L., Liu, Y., Lohmann, W., Longo, E., Y. S., Lu, Lubbers, J. 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G., Yang, G., C. H., Ye, J. B., Ye, Ye, Q., Yeh, S. C., Yin, Z. W., You, J. M., Yunus, N., Yzerman, M., Zaccardelli, C., Zemp, P., Zeng, M., Zeng, Y., Zhang, D. H., Zhang, Z. P., Zhou, B., Zhou, G. J., Zhou, J. F., Zhu, R. Y., Zichichi, A., and B. C. C.
Subjects: Nuclear and High Energy Physics, Top quark, Particle physics, Meson, Electron–positron annihilation, Radiative decay, Elementary particle, flavor changing neutral current, TOP QUARK, 01 natural sciences, Bottom quark, PHYSICS, Nuclear physics, MONTE-CARLO, QCD ENHANCEMENT, 0103 physical sciences, w boson, Electromagnetismo, 010306 general physics, SUPERSYMMETRY, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries), Ciencias Exactas, Physics, 010308 nuclear & particles physics, Flavor-changing neutral current, Física, Supersymmetry, MESONS, EMISSION, Particle Physics - Experiment
Abstract: We report on the search for the electromagnetic penguin decay b → sγ at √s ≈ mZ. We find no evidence for a signal and place an upper limit on the decay rate Br(b → sγ) < 1.2 × 10−3 at 90% C.L., Facultad de Ciencias Exactas
Published: 1993

13. Determination of the effective electroweak mixing angle from Z decays

Author: R. Fabbretti, H. Anderhub, Lamberto Luminari, Luca Lista, D. Fernandez, Yanwen Liu, S. Pensotti, Valery Schegelsky, E. Dénes, R. Sehgal, Sabine Riemann, Ren-Yuan Zhu, Luciano Barone, F. C. Erné, B. P. Roe, C. Wang, M. MacDermott, R. Weill, Ph Fisher, R. C. Ball, H. Rykaczewski, Giovanni Organtini, G. Sartorelli, Y. Karyotakis, A. L. Anderson, M. A. Niaz, F. Marion, J. F. Zhou, K. Mazumdar, Roberto Castello, Yu. Kamyshkov, P. Extermann, S. Chung, P.V.K.S. Baba, Attilio Santocchia, Jean Fay, Dimitri Bourilkov, C. Neyer, P. Lecomte, I. Leedom, B. Z. Yang, P. Vikas, R. Barillère, M. Dhina, D. Boutigny, Marco Meschini, H. Hofer, C. Warner, A. Arefiev, K. L. Tung, G. B. Mills, A. Lebedev, G. Tsipolitis, R. Klöckner, D. Kirkby, A. Gurtu, P. G. Rancoita, Els Koffeman, H. J. Schreiber, Werner Lustermann, C. G. Yang, B. N. Jin, H. Nowak, A. Krivshich, Steven Ahlen, N. E. Moulai, P. Schmitz, Z. Y. Lin, L. Antonov, T. Kraemer, E. Fiandrini, Dong-Chul Son, J. J. Blaising, Egidio Longo, Y. J. Pei, P. Zemp, J. Bechtluft, R. de Asmundis, K. S. Kumar, E. Brambilla, B. Hartmann, Christopher George Tully, M. M. Ilyas, Roberto Battiston, A. Hasan, P. K. Malhotra, H. A. Rizvi, A. Kunin, G. Herten, A. Bujak, Oliver Kornadt, M. Pohl, Hafeez R Hoorani, Yuehong Xie, F. Fesefeldt, S. Khokhar, S. Müller, K. Freudenreich, J. M. Salicio, K. Sudhakar, D. Pandoulas, T. Spickermann, W. Wallraff, Wolfgang Lohmann, H. Vogt, B. Bertucci, Y. F. Wang, W. Friebel, C-Q. Li, B. L. Betev, S. C. Kim, S. Banerjee, Gerjan Bobbink, W. J. Metzger, M. Caria, V. K. Gupta, Zp Zhang, B. Borgia, G. Sauvage, M. Wadhwa, Z. D. Qi, Xd Cai, Nicanor Colino, Bernard Ille, Z. M. Wang, K. Riles, M. Gruenewald, J. T. He, Tariq Aziz, J. B. Ye, Stefan Kirsch, F. Cesaroni, F. J. Rodriguez, G. Schwering, Pierluigi Paolucci, M. Gailloud, M. Möller, J. Y. Liao, Raffaello D'Alessandro, O. Rind, F. Marzano, G. Coignet, W. Krenz, R. Bizzarri, G. F. Susinno, A. M. Cartacci, R. Raghavan, T. McHamon, A. C. König, Mariagrazia Alviggi, H. R. Gustafson, D. Z. Shen, J. A. Bakken, F. L. Linde, J. Ulbricht, R. Mount, U. K. Chaturvedi, Laurent Vuilleumier, Y. S. Lu, Gianpaolo Carlino, F. DeNotaristefani, M. Sassowsky, J. D. Swain, D. Antreasyan, A. Koulbardis, Harvey B Newman, K. Hilgers, R. Becker, An.A. Vorobyov, M. T. Choi, Emilio Leonardi, S. X. Wu, C. Maña, I. C. Brock, F. Wittgenstein, P. McBride, Leonardo Merola, Giovanni Ambrosi, L. Ludovici, J. H. Field, Crisostomo Sciacca, Marco Pieri, C. Y. Chien, O. Adriani, R. Bock, Francesca Nessi-Tedaldi, Gerard Fernandez, H. Suter, S. Easo, G. H. Wang, I. Vetlitsky, D. DiBitonto, Z. Z. Xu, J. Wenninger, I. Clare, J. Busenitz, V. Plyaskin, Ph. Rosselet, L. Djambazov, M. Vivargent, M. Sachwitz, A. Kirkby, Lucas Taylor, H. El Mamouni, V. Koutsenko, M. Steuer, G. Forconi, J. D. Burger, V. Pojidaev, W. van Rossum, Jozsef Toth, L. Baksay, J. Weber, E. Drago, David Stickland, A. Marin, P. J. Li, Konrad Deiters, Bolek Wyslouch, Chenjie Gu, A. Zichichi, Alberto Aloisio, A. Ricker, T. Azemoon, P. Lebrun, F. Plasil, H. F. Chen, A. Buytenhuijs, P. Arce, Z. F. Gong, Elisabetta Gallo, D. Goujon, P. Berges, M. T. Dova, D. Perret-Gallix, Adrian Biland, G. Rahal-Callot, J. M. Ma, A. Böhm, A. Pevsner, Qi An, BT Bouwens, T. Paul, Marcos Cerrada, H. R. Dimitrov, O. Fackler, X. R. Shi, Felicitas Pauss, Y. Mi, Samuel C.C. Ting, H. O. Cohn, S. C. Tonwar, Frank Filthaut, Thomas Ferguson, Mingshui Chen, S. Rosier-Lees, X. W. Tang, S. J. Fan, Chenliang Wang, Vincenzo Innocente, Maurizio Biasini, A. C. Weber, I. Sheer, L. Urbán, P. A. Piroué, B. Zhou, W. Kittel, P. Le Coultre, F. Ferroni, U. Uwer, Marta Felcini, J. G. Xu, B. C.C. van der Zwaan, Yu. Galaktionov, G. Passaleva, J. A. Rubio, K. Schultze, X. T. Cui, A. Chen, Y. Zeng, M. Fukushima, J. Salicio, M. Lenti, Stefan Roth, A. Kasser, Guofan Hu, Christoph Paus, D. Gele, J. Alcaraz, Elemer Nagy, M. Bosetti, A. Sopczak, D. Lanske, K. Hangarter, Pablo Garcia-Abia, Alain Hervé, A. Nadtochy, M. Pauluzzi, L. Romero, Francesco Becattini, A. Engler, G. Chiefari, S. Shevchenko, A. Bay, S. Reucroft, Wt Lin, J. M. Le Goff, M. Capell, J. C. Sens, Cheng Chen, T. E. Coan, J. G. Branson, D. H. Wright, Carlo Civinini, R. Leiste, B. Monteleoni, F. Sticozzi, M. Maolinbay, G. Mirabelli, G. S. Sanders, M. Fabre, H. Janssen, M. Bourquin, M. Schneegans, D. M. Lee, C. Spartiotis, J. K. Kim, R. Starosta, W. J. Burger, C. Zaccardelli, K. Strauch, G. Raven, S. N. Ganguli, P. G. Seiler, F. Behner, M. Aguilar-Benitez, Andrea Baschirotto, S. Shotkin, D. Ren, R. Morand, D. Luckey, Z. L. Xue, W. W. Kinnison, S. C. Yeh, Gy L. Bencze, Herwig Schopper, Howard A. Stone, E. Gonzalez, Davide Piccolo, Reinhard W. Schulte, Z. W. Yin, H. Kuijten, A. Degré, K. Lübelsmeyer, J. Shukla, M. N. Kienzle-Focacci, R. Rosmalen, H. Postema, M. White, P. Kapinos, P. Duinker, A. A. Syed, Piero Spillantini, C. F. He, U. Vikas, A. Tsaregorodtsev, K. N. Qureshi, S. Goldfarb, S. Lanzano, S. Schulte, M. 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S., Lu, Lubbers, J. M., Lubelsmeyer, K., Luci, C., Luckey, D., Ludovici, L., Luminari, L., Lustermann, W., J. M., Ma, W. G., Ma, Macdermott, M., Malhotra, P. K., Malik, R., Malinin, A., Mana, C., Maolinbay, M., Marchesini, P., Marion, F., Marin, A., Martin, J. P., Martinezlaso, L., Marzano, F., G. G. G., Mazumdar, K., Mcbride, P., Mcmahon, T., Mcnally, D., Merk, M., Merola, Leonardo, Meschini, M., Metzger, W. J., Mi, Y., Mills, G. B., Mir, Y., Mirabelli, G., Mnich, J., Moller, M., Monteleoni, B., Morand, R., Morganti, S., Moulai, N. E., Mount, R., Muller, S., Nadtochy, A., Nagy, E., Napolitano, Marco, Nessitedaldi, F., Newman, H., Neyer, C., Niaz, M. A., Nippe, A., Nowak, H., Organtini, G., Pandoulas, D., Paoletti, S., Paolucci, P., Pascale, G., Passaleva, G., Patricelli, Sergio, Paul, T., Pauluzzi, M., Paus, C., Pauss, F., Pei, Y. J., Pensotti, S., Perretgallix, D., Perrier, J., Pevsner, A., Piccolo, D., Pieri, M., Piroue, P. A., Plasil, F., Plyaskin, V., Pohl, M., Pojidaev, V., Postema, H., Z. D., Qi, Qian, J. M., Qureshi, K. N., Raghavan, R., Rahalcallot, G., Rancoita, P. G., Rattaggi, M., Raven, G., Razis, P., Read, K., Ren, D., Ren, Z., Rescigno, M., Reucroft, S., Ricker, A., Riemann, S., Riemers, B. C., Riles, K., Rind, O., Rizvi, H. A., Rodriguez, F. J., Roe, B. P., Rohner, M., Romero, L., Rosierlees, S., Rosmalen, R., Rosselet, P., Vanrossum, W., Roth, S., Rubbia, A., Rubio, J. A., Rykaczewski, H., Sachwitz, M., Salicio, J., Salicio, J. M., Sanders, G. S., Santocchia, A., Sarakinos, M. S., Sartorelli, G., Sassowsky, M., Sauvage, G., Schegelsky, V., Schmitz, D., Schmitz, P., Schneegans, M., Schopper, H., Schotanus, D. J., Shotkin, S., Schreiber, H. J., Shukla, J., Schulte, R., Schulte, S., Schultze, K., Schwenke, J., Schwering, G., Sciacca, Crisostomo, Scott, I., Sehgal, R., Seiler, P. G., Sens, J. C., Servoli, L., Sheer, I., Shen, D. Z., Shevchenko, S., Shi, X. R., Shumilov, E., Shoutko, V., Son, D., Sopczak, A., Spartiotis, C., Spickermann, T., Spillantini, P., Starosta, R., Steuer, M., Stickland, D. P., Sticozzi, F., Stone, H., Strauch, K., Stringfellow, B. C., Sudhakar, K., Sultanov, G., Sun, L. Z., Susinno, G. F., Suter, H., Swain, J. D., Syed, A. A., Tang, X. W., Taylor, L., Terzi, G., S. C. C., Ting, S. M., Tonutti, M., Tonwar, S. C., Toth, J., Tsaregorodtsev, A., Tsipolitis, G., Tully, C., Tung, K. L., Ulbricht, J., Urban, L., Uwer, U., Valente, E., Vandewalle, R. T., Vetlitsky, I., Viertel, G., Vikas, P., Vikas, U., Vivargent, M., Vogel, H., Vogt, H., Vorobiev, I., Vorobyov, A. A., Vuilleumier, L., Wadhwa, M., Wallraff, W., Wang, C., Wang, C. R., Wang, G. H., Wang, X. L., Wang, Y. F., Wang, Z. M., Warner, C., Weber, A., Weber, J., Weill, R., Wenaus, T. J., Wenninger, J., White, M., Willmott, C., Wittgenstein, F., Wright, D., S. X., Wu, Wynhoff, S., Wyslouch, B., Xie, Y. Y., J. G., Xu, Z. Z., Xu, Xue, Z. L., Yan, D. S., Yang, B. Z., Yang, C. G., Yang, G., C. H., Ye, J. B., Ye, Ye, Q., Yeh, S. C., Yin, Z. W., You, J. M., Yunus, N., Yzerman, M., Zaccardelli, C., Zemp, P., Zeng, M., Zheng, Y., Zhang, D. H., Zhang, Z. P., Zhou, B., Zhou, G. J., Zhou, J. F., Zhu, R. Y., Zichichi, A., B. C. C., Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), CMS, Institut de Physique des 2 Infinis de Lyon (IP2I Lyon), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), L3, and IHEF (IoP, FNWI)
Subjects: Nuclear and High Energy Physics, Particle physics, Electron–positron annihilation, Hadron, Elementary particle, 7. Clean energy, 01 natural sciences, Standard Model, Nuclear physics, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], 010306 general physics, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries), Ciencias Exactas, Mixing (physics), Physics, electroweak interaction, 010308 nuclear & particles physics, Electroweak interaction, High Energy Physics::Phenomenology, Física, z boson, Weinberg angle, lcsh:QC1-999, High Energy Physics::Experiment, Particle Physics - Experiment, lcsh:Physics, Lepton
Abstract: The effective electroweak mixing angle sin2θw is measured from the production and decay of the Z boson in e+e- interactions. The data sample corresponds to an integrated luminosity of 18 pb-l with about 420 000 hadronic and 40 000 leptonic Z decays. The mixing angle sin 22θw is determined from several independent measurements: the leptonic and hadronic cross sections, the forward-backward asymmetries of charged leptons and b-quarks, and the z-polarization. The results are found to be in good agreement with each other. The value of sin 22θw from a fit to the asymmetries in a model independent method is 0.2321-4-0.0021 and from a global fit to the data in the Standard Model framework is 0.2328±0.0013., Facultad de Ciencias Exactas
Published: 1993

14. Construction and performance of the L3 central tracking detector

Author: H. von Gunten, J. Ulbricht, Dimitri Bourilkov, Hannes Jung, H. Anderhub, S. Botev, J. Herrmann, P. Göttlicher, W. Friebel, M. Sassowsky, P. Zemp, J.P. Richeux, Stefan Kirsch, G. Forconi, W. Kastli, R. Leiste, J. Spangler, R. Krankenhagen, P. Schmitz, Y. Peng, M. Deutschmann, M. Hänsli, Ryan Heller, C. Camps, C. Spartiotis, Adrian Biland, F. Beauvais, F. Masciocchi, U. Herten, M. J. Glaubman, M. Möller, Georgi Sultanov, Joe D. Orndorff, F. Tonisch, H. Thürig, Marc Weber, T. Spickermann, P. Bene, Lucas Taylor, M. Pohl, L. Djambazov, G. Barbier, J.C. Sens, B. L. Betev, H. Szczesny, D. McNally, D. Newman, M. Wilhelmi, E. Perrin, M. Maolinbay, A. Donat, D.M. Jansen, G. Viertel, W. Baur, E. Haerdi, M. Tonutti, George Alverson, T. Winands, Wolfgang Lohmann, H. Vogt, U. Rinsche, K. Hangarter, I. Leedom, H. Hofer, J. Grooten, R. Starosta, D. La Marra, D. Ren, H. Frohn, S. Reucroft, F. Behner, Reinhard W. Schulte, A. Pevsner, S. Röhner, Ph Fisher, P. Vikas, H. Schuijlenburg, E. Isiksal, F. Beissel, H. Virnich, A. Böhm, M. Dhina, D. J. Schotanus, Nicolas Produit, L. Antonov, S. Waldmeier, N. Rieb, K. Lanius, Wolfgang Lange, V.R. Krastev, H. Liebmann, C. Neyer, J. Perrier, J. Fehlmann, Werner Lustermann, G. Rahal-Callot, A. Leger, K. Schultze, H. Suter, M. Bourquin, W. Reuter, J. Weber, B. Stöhr, I. Orlinov, H. Akbari, K. Quadflieg, S. Schulte, J. Mnich, U. Horisberger, J. Bao, A. Gougas, K. Bosseler, L. Zehnder, J. Behrens, Konrad Deiters, X. Lue, Jérôme Rose, Ulf Roser, J. H. Field, G. Trowitzsch, C. Y. Chien, R. Pahlke, V. Commichau, M. Okle, and A. Hasan
Subjects: Physics, Nuclear and High Energy Physics, Drift velocity, Physics::Instrumentation and Detectors, Expansion chamber, business.industry, TEC, Detector, Tracking (particle physics), Nuclear physics, Optics, Data acquisition, Large Electron–Positron Collider, High Energy Physics::Experiment, business, Instrumentation, Image resolution
Abstract: The L3 central tracking detector has been in operation since the start-up of LEP (Large Electron Positron collider) in 1989. This detector consists of a Time Expansion Chamber (TEC), a layer of Plastic Scintillating Fibers and a Z-chamber. The TEC gives a high spatial resolution and an excellent multi-track reconstruction capability. The fibers are designed to calibrate the drift velocity with high precision. The Z-Chamber provides TEC with accurate information about the z-coordinates of the tracks. A description of the design and the infrastructure of these three detectors, including the readout and data acquisition system, is given. The performance of the detectors during the 1990 and 1991 LEP running periods is presented.
Published: 1993

15. Measurement of from hadronic decays of the Z

Author: W. van Rossum, Adrian Biland, D. Antreasyan, B. N. Jin, Yu. Kamyshkov, M. Brooks, S. J. Fan, Mw Gruenewald, H. Nowak, Qi An, A. A. Syed, H. Anderhub, A. Engler, X. F. Wang, M. Capell, M. Rescigno, D.W. Schmitz, G.G.G. Massaro, H. Janssen, K. S. Kumar, P. Duinker, Claudio Luci, W. Wallraff, H. S. Fesefeldt, Robert Clare, J. P. Martin, W. G. Ma, Thomas Hebbeker, Paul Lecoq, M. Yzerman, Zheng Wang, V. R. Krastev, Jun Guo, B. Lindemann, M. Napolitano, Raffaello D'Alessandro, Dong-Chul Son, T. Kramer, A. Klimentov, P. Zemp, R. de Asmundis, G. Finocchiaro, S. Banerjee, B. Ille, J. Mnich, P. Vikas, A. Rubbia, T. Foreman, J. J. Blaising, Stefan Kirsch, G. Tsipolitis, Kenneth Francis Read, J. Bao, X. R. Shi, Marcel Merk, Leonardo Merola, H. S. Chen, Maurizio Biasini, Marta Felcini, K. N. Qureshi, S. Goldfarb, F. J. Rodriguez, J. Perrier, R. Leiste, Christoph Paus, S. Easo, A. Gougas, L. Servoli, M. Schneegans, Felicitas Pauss, V. Plyaskin, D. Hauschildt, T. Azemoon, U. Becker, I. Vetlitsky, Francesco Becattini, K. Sudhakar, B. Monteleoni, F. Sticozzi, G. Fernandez, An.A. Vorobyov, T. Paul, Marcos Cerrada, G. Landi, Simone Paoletti, Y. Mi, R. Malik, C. Spartiotis, D. P. Stickland, S. Rosier-Lees, Y. Mir, C. H. Ye, Y. J. Pei, J. M. Lubbers, H. J. Schreiber, G. Schwering, Manjit Kaur, Daqiang Zhang, Tariq Aziz, Jianming Qian, J. Alcaraz, R. Morand, Z. L. Xue, P. Le Coultre, Lucas Taylor, A. Arefiev, D. Goujon, J. M. Ma, Vincenzo Innocente, A. Kasser, Guofan Hu, S. Schulte, G. Hu, J. B. Ye, Zhuoxiang Ren, Dimitri Bourilkov, M. Wadhwa, Howard A. Stone, M. T. Choi, Francesca Nessi-Tedaldi, C. Willmott, H. F. Chen, P. Lebrun, Roberto Battiston, Cheng Chen, W. J. Burger, Z. D. Oi, M. T. Dova, M. S. Sarakinos, K. Hangarter, D. J. Schotanus, J. M. You, A. Sopczak, J. D. Burger, D. Luckey, C. Zaccardelli, M. G. Alviggi, Zhiqing Zhang, M. Bosetti, W. W. Kinnison, S. Wynhoff, Gerjan Bobbink, B. Borgia, V. K. Gupta, G. Rahal-Callot, J. Ulbricht, Pierluigi Paolucci, M. Gailloud, G. Carlino, J. G. Branson, R. Bizzarri, Ren-Yuan Zhu, Luciano Barone, Speranza Falciano, G. A. Yang, F. DeNotaristefani, M. Möller, H. O. Cohn, Jozsef Toth, J. S. Kapustinsky, D. Pandoulas, H. T. Li, K. Schultze, P. Spillantini, J. K. Kim, R. Starosta, S. Lanzano, H. Suter, D. Lanske, I. Clare, A. Buytenhuijs, Elisabetta Gallo, P. Berges, Sc Yeh, Gy L. Bencze, A. Degré, Wt Lin, Crisostomo Sciacca, Marco Pieri, Reinhard W. Schulte, E. Dénes, R. Sehgal, C. Yang, H. R. Gustafson, Marcella Diemoz, X. T. Cui, G. Chiefari, G. M. Bilei, S. Shevchenko, Yu. Galaktionov, C. R. Wang, M. Bourquin, D. Gele, F. Behner, K. Strauch, M. Rattaggi, Andrea Contin, N. E. Moulai, E. Fiandrini, S. Reucroft, A. Nippe, D. Duchesneau, Andrea Baschirotto, Alexander Malinin, L. Martinez-Laso, S. Shotkin, P. Kapinos, A. Gurtu, Els Koffeman, M. Caria, F. C. Erné, Konrad Deiters, Alberto Aloisio, A. Ricker, E. Drago, S. Patricelli, Y. G. Kim, A. Koulbardis, Roberto Castello, S. Gentile, Y. H. Chang, George Alverson, R. Barillère, R. W. Kraemer, V. Koutsenko, Q. Ye, E. Brambilla, B. Stringfellow, A. Hasan, G. Sauvage, L. Z. Sun, L. Djambazov, W. Y. Chen, G. Terzi, P. Marchesini, Ming Zeng, G. Herten, K. Riles, C. Dionisi, G. Passaleva, W. Friebel, M. Röhner, B. P. Roe, O. Rind, P. Arce, Kajari Mazumdar, Harvey B Newman, N. Yunus, S. P. Ahlen, D. Z. Shen, C. Li, J. A. Bakken, G. Gratta, J. Behrens, M. Sassowsky, X. W. Tang, I. Sheer, P. A. Piroué, B. Zhou, B. C.C. van der Zwaan, K. Hilgers, Georgi Sultanov, Fl Linde, T. S. Dai, R. A. Khan, A. Bujak, Oliver Kornadt, M. Pohl, P. J. Li, L. J. Gutay, V. P. Andreev, M. Vivargent, M. Sachwitz, I. Duran, M. Chemarin, G. M. Chen, H. Vogt, F. J. Eppling, G. J. Zhou, L. W. Jones, R. T. Van de Walle, D. S. Yan, F. Ferroni, S. M. Ting, Y. Zeng, F. Marzano, G. Coignet, T. E. Coan, W. Krenz, BT Bouwens, I. Scott, E. Valente, Yuehong Xie, C. Maña, D. McNally, U. Uwer, X. Leytens, G. Viertel, S. Khokhar, T.R. McMahon, S. Müller, A. Chen, J. Salicio, Hans J. Vogel, S. Morganti, J. Schwenke, X. Y. Cui, A. Atamanchuk, P. Schmitz, Pablo Garcia-Abia, Alain Hervé, K. Freudenreich, U. K. Chaturvedi, Z. W. Yin, Y. S. Lu, A. Bay, I. C. Brock, S. X. Wu, Carlo Civinini, M. Maolinbay, G. Raven, Jérôme Rose, J. H. Field, C. Y. Chien, Xd Cai, D. DiBitonto, Ph. Rosselet, A. Kirkby, M. Aguilar-Benitez, M. Steuer, G. Forconi, Herwig Schopper, J. Weber, D. Perret-Gallix, Samuel C.C. Ting, H. Postema, M. White, S. Röhner, F. Wittgenstein, L. Ludovici, O. Adrian, A. Marin, H. R. Dimitrov, O. Fackler, L. Urbán, J. G. Xu, M. Fukushima, M. Lenti, J. M. Le Goff, D. H. Wright, C. Leggett, M. Guanziroli, S. Roth, P. G. Seiler, J. A. Rubio, F. Cesaroni, J. Y. Liao, B. L. Betev, Emilio Leonardi, R. Bock, L. Baksay, A. Pevsner, E. Shumilov, V. Shoutko, B. C. Riemers, R. Mount, D. Fernandez, J. Berdugo, Z. F. Gong, G. B. Mills, W. Kittel, E. Nagy, M. Fabre, M. Tonutti, Igor Vorobiev, H. Kuijten, M. Hebert, M. N. Kienzle-Focacci, R. Rosmalen, Panos A Razis, A. Tsaregorodtsev, Davide Piccolo, Stéphane Jézéquel, F. Plasil, E. Gonzalez, Mingshui Chen, X. L. Wang, M. Pauluzzi, H. El Mamouni, Marco Meschini, G. S. Sanders, D. Kirkby, Christopher George Tully, D. Ren, Wolfgang Lohmann, J. M. Salicio, B. Bertucci, S. C. Kim, Nicanor Colino, R. Weill, U. Vikas, S. C. Tonwar, Frank Filthaut, A. L. Anderson, F. Marion, A. Nadtochv, J. Busenitz, J. F. Zhou, Peter Denes, Paolo Bagnaia, Egidio Longo, M. M. Ilyas, G. Pascala, M. MacDermott, Giovanni Ambrosi, T. Spickermann, M. A. Niaz, Luciano Romero, Bolek Wyslouch, Chenjie Gu, C. F. He, P. Extermann, D. M. Lee, Christoph Schäfer, I. Leedom, B. Z. Yang, H. Hofer, K. L. Tung, L. Antonov, P. K. Malhotra, H. A. Rizvi, A. Kunin, Hafeez R Hoorani, W. J. Metzger, J. T. He, S. Pensotti, Valery Schegelsky, Antonino Zichichi, Ph Fisher, H. Rykaczewski, Giovanni Organtini, Chen Wang, Y. Karyotakis, S. Chung, P.V.K.S. Baba, Attilio Santocchia, Jean Fay, S. N. Ganguli, M. Dhina, D. Boutigny, Z. Y. Lin, J. D. Swain, P. McBride, T. Fergusson, A. Böhm, Lamberto Luminari, T. J. Wenaus, R. C. Ball, Pierre Lecomte, G. Sartorelli, Werner Lustermann, A. C. Weber, R. Fabbretti, Luca Lista, Yanwen Liu, G. Mirabelli, Sabine Riemann, K. Lübelsmeyer, A. Krivshich, J. C. Sens, A. M. Cartacci, R. Raghavan, A. C. König, Laurent Vuilleumier, G. H. Wang, S. Bachmann, Z. Z. Xu, J. Wenninger, V. Pojidaev, R. Schukla, C. Neyer, and P. G. Rancoita
Subjects: Nuclear physics, Physics, Hadronic decay, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, Electron–positron annihilation, 0103 physical sciences, Hadron, 010306 general physics, 01 natural sciences
Abstract: We report a measurement of R b = Γ b b Γ had from Z → q q events at LEP. Z → b b events are identified using a multidimensional analysis based on a neural network approach. We obtain 60% sample purity with an efficiency of 35%. Our measured value of R b is 0.222±0.003±0.007.
Published: 1993

16. Search for isosinglet neutral heavy leptons in Z0 decays

Author: Simone Paoletti, A. Gougas, Y. J. Pei, R. Malik, A. Kasser, Manjit Kaur, J. M. Lubbers, A. Degré, T. E. Coan, R.L. Sumner, T. Angelov, M. M. Ilyas, Emilio Leonardi, C. Luci, F. Ferroni, Y. Zeng, R. Bock, O. Fackler, A. Engler, R.J. Wu, Jianming Qian, Davide Piccolo, G. Hu, P. Arce, C. Neyer, Zhuoxiang Ren, M. Wadhwa, D. J. Schotanus, D. Goujon, J. M. Ma, G. Schwering, C. Y. Chien, A. M. Cartacci, R. Raghavan, R. Barillère, W. Kittel, J. D. Burger, L.J. Gutay, J. M. You, V. R. Krastev, B. N. Jin, T. Mcmahon, P. Denes, Carlos Willmott, A. C. König, Steven Ahlen, Dimitri Bourilkov, Vincenzo Innocente, D.W. Schmitz, D.N. Mao, D. Kirkby, Laurent Vuilleumier, Robert Clare, Thomas Hebbeker, Paul Lecoq, Bz Yang, S. X. Wu, M. Napolitano, E. Longo, Raffaello D'Alessandro, L. Luminari, H. S. Chen, G. Rahal-Callot, L. Servoli, H. Nowak, M. Rescigno, G. A. Yang, G. Coignet, Y.Y. Xie, H. T. Li, N. E. Moulai, R. Weill, E. Fiandrini, C. Grinnell, H.L. Zhuang, M. Merk, P. Razis, Jiunn-Wei Chen, S.J. Fan, G. Herten, I. Scott, Pierluigi Paolucci, S.C. Kim, K. Schultze, T. Foreman, H. Suter, H.F. Chen, P.G. Seiler, M. Gruenewald, M. Steuer, K. Deiters, M. Fukushima, J. Bao, W. Friebel, W. Wallraff, O. Rind, M. Bocciolini, Z.L. Xue, H. Anderhub, S. Banerjee, Zp Zhang, Hafeez R. Hoorani, Leonardo Merola, M. Hebert, H. Newman, B. P. Roe, P. Vikas, M. Fabre, R. Rosmalen, S C C. Ting, R. Fabbretti, S. S. Gau, P.V.K.S. Baba, T. Azemoon, D. Lanske, J. Shukla, L. Romero, M. Lenti, G. Gratta, A. Nadtochy, I. Sheer, J. M. Le Goff, J. Weber, Z.F. Gong, Wt Lin, R. Y. Zhu, D. Z. Shen, M. Sassowsky, J. A. Rubio, K. Sudhakar, A. L. Anderson, Ying Wu, J. F. Zhou, H. Kuijten, Felicitas Pauss, C.F. He, S. Beingessner, P. Schmitz, K. Freudenreich, M. N. Kienzle-Focacci, K. Hilgers, J. G. Branson, M. Bourquin, D. Duchesneau, David Stickland, D.H. Zhang, D. Wright, D. Son, K. N. Qureshi, Helmut Vogel, Alberto Aloisio, P. Marchesini, J. S. Kapustinsky, Ming Zeng, A. Ricker, S. Goldfarb, M. MacDermott, S. Easo, R. Morand, E. Koffeman, Marcos Cerrada, G.G.G. Massaro, Gianpaolo Carlino, A. Tsaregorodtsev, T. Kramer, J. Behrens, P. Zemp, Oliver Kornadt, M. Pohl, A. Krivshich, V. Plyaskin, M. A. Niaz, G. Sauvage, M. Röhner, R. de Asmundis, M. Sachwitz, Z.Z. Xu, G. Terzi, P. Rosselet, P. Le Coultre, T. Ferguson, Kajari Mazumdar, W. Riemers, I. Duran, B. Bouwens, S. Khokhar, X. J. Yan, S. Müller, G. Forconi, M. Brooks, Gerard Fernandez, C. Maña, F. Marion, J. M. Salicio, G. Organtini, M. Caria, C. J.W.P. Timmermans, P. Extermann, P. Lecomte, A. Kunin, D. Antreasyan, G. H. Wang, K. Hangarter, J. Mnich, B. Ille, Xd Cai, A. Pevsner, U. Herten, W. W. Kinnison, I. Leedom, M. T. Dova, Jozsef Toth, H. Hofer, K. L. Tung, Yueh-Feng Liu, B. L. Betev, J. Lettry, X. W. Tang, J.J. Blaising, X.L. Wang, S. Schulte, A. Koulbardis, Y.F. Mao, A. Rubbia, Mariagrazia Alviggi, G. Mirabelli, B. C.C. van der Zwaan, Elisabetta Gallo, A. Sopczak, J.Y. Liao, P. Berges, R. T. Van de Walle, H. O. Cohn, P. G. Rancoita, E. Valente, T. Paul, U. Uwer, R. Starosta, Tariq Aziz, Yu. Galaktionov, Chenliang Wang, V. Koutsenko, A. Nippe, F. Plasil, L. Barone, J. Salicio, K. Strauch, Qi An, Y. Mir, C. H. Ye, D. Luckey, Gy L. Bencze, Mingshui Chen, D.S. Yan, J.A. Bakken, V. K. Gupta, J. Alcaraz, S. Reucroft, X. T. Cui, Reinhard W. Schulte, J. Busenitz, S. Shotkin, H. Janssen, K.S. Yang, S. Jezequel, G.Q. Hu, P. H. Fisher, G. Finocchiaro, Adrian Biland, M. Pauluzzi, F. de Notaristefani, Y. H. Chang, R. Castello, H. El Mamouni, Luca Lista, P. Kapinos, D. Fernandez, Xu-Guang Li, Q.Y. Yang, George Alverson, D. McNally, Crisostomo Sciacca, Marco Pieri, A. Gurtu, G. Viertel, H. J. Schreiber, S. Falciano, A. Klimentov, L. Antonov, M. Vivargent, Sabine Riemann, X. Leytens, D. Pandoulas, D. Ren, Maurizio Biasini, Kenneth Francis Read, Marta Felcini, Georgi Sultanov, E. Brambilla, T. S. Dai, I. C. Brock, L. Z. Sun, J. C. Sens, Francesco Becattini, M. Diemoz, R. A. Khan, Z.W. Yin, A. Hasan, T. Spickermann, J. Schwenke, H. S. Fesefeldt, P. Bagnaia, T. Driever, U. Vikas, Cheng Chen, X. Y. Cui, W. J. Burger, L. Martinez-Laso, S. N. Ganguli, Z.Q. Yang, A. Contin, E. Gonzalez, Y. D. Xu, Yu. Kamyshkov, J. P. Martin, A. Atamanchuk, V. P. Andreev, F. C. Erné, S. C. Yeh, M. Rattaggi, M. S. Sarakinos, A. Zichichi, D. Perret-Gallix, S. Lanzano, Jorg Wenninger, M. Chemarin, M. Guanziroli, M.L. Chen, R. W. Kraemer, P. Lebrun, G. M. Chen, U. K. Chaturvedi, J. D. Swain, C. G. Yang, Y. S. Lu, Y.G. Kim, S. Rosier-Lees, L. Baksay, Jérôme Rose, A. Arefev, J.K. Guo, J. H. Field, E. Shumilov, V. Shoutko, Stefan Kirsch, C. Li, A. Böhm, L. Urbán, F. J. Rodriguez, H. R. Gustafson, I. Vorobev, X.R. Shi, Y. Mi, T. Matsuda, M. Tonutti, A. C. Weber, A. Bujak, O. Adriani, Zongyuan Wang, A. Chen, Lucas Taylor, S. C. Tonwar, Frank Filthaut, F. Marzano, D.G. Stringfellow, Simonetta Gentile, J. Berdugo, C. Dionisi, K. Lübelsmeyer, Piero Spillantini, T. J. Wenaus, S. Pensotti, Marco Meschini, Christopher George Tully, G. B. Mills, S. Shevchenko, Wolfgang Lohmann, H. Vogt, B. Bertucci, Nicanor Colino, C. Zaccardelli, R. C. Ball, G. Sartorelli, Werner Lustermann, A. A. Syed, D. DiBitonto, A.A. Vorobev, F. Crijns, B. Lindemann, M.T. Choi, J. Perrier, M. Möller, D. Linnhofer, P.J. Li, G. Chiefari, F. Behner, Federico Carminati, Andrea Baschirotto, I. Vetlitskii, G. M. Bilei, D. Gele, S. Patricelli, Q. Ye, D. M. Lee, C. Spartiotis, U. Becker, P. Mcbride, F. J. Eppling, L. W. Jones, M. Capell, S. M. Ting, W. Y. Chen, B. Zhou, G. S. Sanders, N. Yunus, P. Duinker, F. Cesaroni, R. Leiste, B. Monteleoni, F. Sticozzi, M. Gailloud, Howard A. Stone, Roberto Battiston, D. Boutigny, Gerjan Bobbink, J. Ulbricht, E. Dénes, R. Sehgal, B. Borgia, I. Clare, W.G. Ma, P. Göttlicher, J. B. Ye, Christine Buisson, Y. F. Wang, E. Soderstrom, M. Yzerman, S. Röhner, F. Wittgenstein, L. Ludovici, M. Chmeissani, E. Drago, Z.Y. Lin, A. Marin, H. R. Dimitrov, M. Boseti, Pablo Garcia-Abia, Alain Hervé, P. A. Piroué, A. Bay, Carlo Civinini, M. Maolinbay, G. Raven, M. Aguilar-Benitez, R. Bizzarri, Herwig Schopper, M. White, G. Passaleva, D. Hauschildt, E. Sajan, S. Morganti, K. S. Kumar, M. Schneegans, K. Riles, W. Krenz, V. Shchegelskii, J.K. Kim, J.H. Wang, P. K. Malhotra, H. A. Rizvi, W. J. Metzger, E. Nagy, F. L. Linde, H. Rykaczewski, V. Pozhidaev, Y. Karyotakis, S. Chung, G. Tsipolitis, Attilio Santocchia, Jean Fay, M. Dhina, R.B. Sutton, R. Mount, Nicolas Produit, Giovanni Ambrosi, Bolek Wyslouch, A. Malinin, Chenjie Gu, G. Landi, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), CMS, Institut de Physique des 2 Infinis de Lyon (IP2I Lyon), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), L3, IHEF (IoP, FNWI), Adriani, O., Aguilarbenitez, M., Ahlen, S., Alcaraz, J., Aloisio, Alberto, Alverson, G., Alviggi, Mariagrazia, Ambrosi, G., An, Q., Anderhub, H., Anderson, A. L., Andreev, V. P., Angelov, T., Antonov, L., Antreasyan, D., Arce, P., Arefiev, A., Atamanchuk, A., Azemoon, T., Aziz, T., P. V. K., Bagnaia, P., Bakken, J. A., Baksay, L., Ball, R. C., Banerjee, S., Bao, J., Barillere, R., Barone, L., Baschirotto, A., Battiston, R., Bay, A., Becattini, F., Becker, U., Behner, F., Behrens, J., Beingessner, S., Bencze, G. L., Berdugo, J., Berges, P., Bertucci, B., Betev, B. L., Biasini, M., Biland, A., Bilei, G. M., Bizzarri, R., Blaising, J. J., Bobbink, G. J., Bocciolini, M., Bock, R., Bohm, A., Borgia, B., Boseti, M., Bourilkov, D., Bourquin, M., Boutigny, D., Bouwens, B., Brambilla, E., Branson, J. G., Brock, I. C., Brooks, M., Buisson, C., Bujak, A., Burger, J. D., Burger, W. J., Busenitz, J., Cai, X. D., Capell, M., Caria, M., Carlino, G., Carminati, F., Cartacci, A. M., Castello, R., Cerrada, M., Cesaroni, F., Chang, Y. H., Chaturvedi, U. K., Chemarin, M., Chen, A., Chen, C., Chen, G. M., Chen, H. F., Chen, H. S., Chen, J., Chen, M., Chen, M. 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L., Wang, Y. F., Wang, Z. M., Weber, A., Weber, J., Weill, R., Wenaus, T. J., Wenninger, J., White, M., Willmott, C., Wittgenstein, F., Wright, D., R. J., Wu, S. X., Wu, Y. G., Wu, Wyslouch, B., Xie, Y. Y., Y. D., Xu, Z. Z., Xu, Xue, Z. L., Yan, D. S., Yan, X. J., Yang, B. Z., Yang, C. G., Yang, G., Yang, K. S., Yang, Q. Y., Yang, Z. Q., C. H., Ye, J. B., Ye, Ye, Q., Yeh, S. C., Yin, Z. W., You, J. M., Yunus, N., Yzerman, M., Zaccardelli, C., Zemp, P., Zeng, M., Zeng, Y., Zhang, D. H., Zhang, Z. P., Zhou, B., Zhou, J. F., Zhu, R. Y., Zhuang, H. L., Zichichi, A., and B. C. C.
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, Electron–positron annihilation, MASS, 01 natural sciences, Standard Model, Nuclear physics, BHABHA SCATTERING, LIMITS, MONTE-CARLO, Gauge group, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], RADIATIVE-CORRECTIONS, PHOTON CORRECTIONS, Neutrino, 010306 general physics, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries), Particle Physics - Experiment, HIGH-ENERGIES, Bhabha scattering, Lepton
Abstract: We search for neutral heavy leptons that are isosinglets under the standard SU(2)L gauge group. Such neutral heavy leptons are expected in many extensions of the standard model. Three types of heavy leptons Ne, N(mu), N(tau) associated with the three neutrino types nu(e), nu(mu), nu(tau) have been directly searched for and no evidence for a signal has been found. We set the limit Br(Z0 --> nu(l)N(l)) < 3 x 10(-5) at the 95% CL for the mass range from 3 GeV up to m(Z).
Published: 1992

17. Measurement of the forward-backward asymmetries at the Z0 resonance

Author: V. Plyaskin, Y. J. Pei, M. S. Sarakinos, M. T. Dova, D.N. Mao, M.L. Chen, T.J. Wenaus, J. Behrens, P. J. Li, Yu. Galaktionov, H. O. Cohn, P. Lebrun, BT Bouwens, Marcella Diemoz, Pierluigi Paolucci, M. Gailloud, J. Alcaraz, F.J. Rodriquez, Cheng Chen, X. T. Cui, Dimitri Bourilkov, W. J. Burger, F. Plasil, Mingshui Chen, I. Sheer, N. E. Moulai, W. W. Kinnison, A. Chen, J. Salicio, M. Pauluzzi, E. Fiandrini, D.W. Schmitz, S. Schulte, K. Schmiemann, D. Antreasyan, Qi An, M. Möller, Roberto Battiston, G.G.G. Massaro, Claudio Luci, G. Sauvage, H. Janssen, K.S. Yang, U. K. Chaturvedi, G. Mirabelli, S. Paoletto, P. Kapinos, R. Barillère, Gerjan Bobbink, B. Borgia, D. Ren, X.L. Wang, Robert Clare, Thomas Hebbeker, Paul Lecoq, R. W. Kraemer, M. MacDermott, M. A. Niaz, C-Q. Li, M. Napolitano, Raffaello D'Alessandro, C. Grinnell, Y. S. Lu, Wen-Gan Ma, Leonardo Merola, Steven Ahlen, P. Duinker, H. Suter, T. Azemoon, K. Lübelsmeyer, K.L. Tung, T. Paul, Marcos Cerrada, H. F. Chen, J. Shukla, Marco Meschini, J.F. Zhou, F. Wittgenstein, Harvey B Newman, M. Zeng, K. Hilgers, Y. Mir, M. Yzerman, H. S. Chen, D. Linnhofer, A. Klimentov, D. Kirkby, D. McNally, G. Tsipolitis, T. Spickermann, P. Extermann, Kenneth Francis Read, G. Herten, Y.G. Wu, Alberto Aloisio, A. Ricker, V. K. Gupta, I. Leedom, H. Hofer, A. Sopczak, Jérôme Rose, Federico Carminati, W. Friebel, Gerard Fernandez, G. Chiefari, S. Shevchenko, M. Vivargent, G. Landi, M. L. Brooks, L. Urban, X. Leytens, G. Viertel, R. Bizzarri, S. X. Wu, J.H. Wang, J. H. Field, C. Y. Chien, Christopher George Tully, Th. Meinholz, F. Sticozzi, Y.D. Xu, J. M. Salicio, F. Behner, I. Clare, J. Busenitz, Lamberto Luminari, M. Sachwitz, D. Hauschildt, D.S. Yan, G. M. Bilei, Andrea Contin, F. DeNotaristefani, Hans J. Vogel, S. Morganti, Giovanni Ambrosi, J. D. Burger, K. N. Qureshi, S. Goldfarb, Manjit Kaur, C. Dionisi, P. Göttlicher, H. Akbari, G. Rahal-Callot, Daqiang Zhang, Igor Vorobiev, Felicitas Pauss, P. A. Piroué, Jozsef Toth, J. A. Bakken, Egidio Longo, A.A. Vorobyov, A. Weber, J. Schwenke, A. Krivshich, A. Gougas, M. Hebert, V. Shoutko, S. Patricelli, B. C.C. van der Zwaan, Wolfgang Lohmann, H.L. Zhuang, Scc Ting, M. Sassowsky, R.B. Sutton, D. DiBitonto, G.H. Wang, H. Vogt, B. Bertucci, R. C. Ball, X. Y. Cui, Pierre Lecomte, Q. Ye, C. Neyer, J. B. Ye, Panos A Razis, L. Servoli, U. Herten, H. El Manouni, G. Sartorelli, Ph. Rosselet, A. A. Syed, R. Mount, L. Martinez-Laso, Bolek Wyslouch, X.W. Tang, R. Leiste, M. Rescigno, K. Strauch, C. Willmott, T. Angelov, B. N. Jin, M. Wadhwa, Jianming Qian, Nicanor Colino, A. Malinin, H. Nowak, E. Soderstrom, P. Berges, A. Atamanchuk, M. Tonutti, Elisabetta Gallo, P. Arce, S. Rosier-Lees, D. Goujon, J. M. Ma, Werner Lustermann, Chenjie Gu, Ren-Yuan Zhu, Luciano Barone, G. Forconi, M. M. Ilyas, F. Crijns, C. F. He, B. L. Betev, G. Hu, K. Schultze, W. Y. Chen, A. Nippe, Yu. Kamyshkov, Mw Gruenewald, Stéphane Jézéquel, D. Duchesneau, B. Monteleoni, S. Lanzano, Vincenzo Innocente, P. Le Coultre, M. Fukushima, Q.Y. Yang, G. Schwering, G. B. Mills, C. Spartiotis, Jun Guo, B. Lindemann, D. Lanske, A. Pevsner, M. Lenti, Sc Yeh, L. Romero, G. Finocchiaro, J. Letrry, Simonetta Gentile, Els Koffeman, Barry Blumenfeld, D.Z. Shen, A. M. Cartacci, R. Raghavan, A. C. König, K. Hangarter, R. Weill, H. J. Schreiber, Marcel Merk, D.P. Stickland, Speranza Falciano, L. Antonov, Y. F. Wang, Bz Yang, D. Pandoulas, N. Yunus, Wt Lin, G. Gratta, M. Bourquin, S. Reucroft, P. K. Malhotra, H. A. Rizvi, C. G. Yang, R. Morand, Z. L. Xue, M. Steuer, J. Berdugo, H. T. Li, W. Wallraff, Peter Denes, S. Shotkin, J. Perrier, S. Banerjee, Howard A. Stone, Z.Q. Yang, R. L. Sumner, K. S. Kumar, Samuel C.C. Ting, P. Marchesini, U. Vikas, M. Röhner, Paolo Bagnaia, E. Brambilla, R. Malik, A. Hasan, J. M. Lubbers, A. Kunin, Hafeez R Hoorani, J. Wenninger, B. Zhou, L. J. Gutay, D. Luckey, A. L. Anderson, A. Nadtochy, Tariq Aziz, Gy L. Bencze, B.C. Stringfellow, J. M. Le Goff, D. H. Wright, C.H. Ye, Z. F. Gong, U. Becker, Y. Mi, S.C. Tonwar, M. Bocciolini, S. S. Gau, P.V.K.S. Baba, M. Guanziroli, T. Kramer, Jiunn-Wei Chen, H. Kuijten, F. Marion, J. J. Blaising, V. Pojidaev, P. Vikas, J. Weber, Zhuoxiang Ren, J.C. Sens, P.-G. Seiler, G. Passaleva, H. Anderhub, Z. M. Wang, S. Beingessner, W. J. Metzger, I. Duran, Bernard Ille, J. D. Swain, P. Spillantini, J. P. Martin, P. McBride, Maurizio Biasini, Stefan Kirsch, M. N. Kienzle-Focacci, R. Rosmalen, Reinhard W. Schulte, G. S. Sanders, D. J. Schotanus, C. Timmermans, J. M. You, Y.F. Mao, R. Fabbretti, J. Mnich, Frank Filthaut, F. J. Eppling, L. W. Jones, F. C. Erné, Z.Z. Xu, E. Shumilov, N. Produit, H. R. Gustafson, V. R. Krastev, D. Gele, K. Sudhakar, J. A. Rubio, Thomas Ferguson, R. Starosta, Luca Lista, A. Rubbia, T. Foreman, A. Böhm, G. A. Yang, D. Fernandez, Marta Felcini, Crisostomo Sciacca, Yanwen Liu, R. T. Van de Walle, I. Vetlitsky, Martin White, Francesco Becattini, Sabine Riemann, Marco Pieri, R.J. Wu, Valery Schegelsky, Antonino Zichichi, J. Bao, T. Matsuda, E. Valente, X.R. Shi, W. Kittel, L.Z. Sun, Ph Fisher, H. Rykaczewski, Giovanni Organtini, D. Perrett-Gallix, A. Arefiev, Y. Karyotakis, O. Adriani, M. Capell, C. R. Wang, G. Carlino, U. Uwer, E. Nagy, M. G. Alviggi, Kajari Mazumdar, I. Scott, S. Chung, M. Fabre, S. Khokhar, T.R. McMahon, M. Schneegans, D. M. Lee, S. Müller, Attilio Santocchia, Jean Fay, Xd Cai, M. Dhina, D. Boutigny, Qun Wang, Z.P. Zhang, F. Cesaroni, Adrian Biland, J. Y. Liao, Emilio Leonardi, E. Gonzalez, J. Schütte, Z. Y. Lin, F. Marzano, G. Coignet, W. Krenz, R. Bock, L. Baksay, S. J. Fan, P. Zemp, R. de Asmundis, C. Zaccardelli, A. Engler, O. Rind, H. S. Fesefeldt, Fl Linde, T. S. Dai, R. A. Khan, G. Sultanov, V. P. Andreev, M. Chemarin, G. M. Chen, A. Kasser, Guofan Hu, T. E. Coan, J. G. Branson, Davide Piccolo, Z. W. Yin, R. Sehg., S. N. Ganguli, A. Degré, J. Ulbricht, Atul Gurtu, K. Deiters, B. P. Roe, Pablo Garcia-Abia, Alain Hervé, A. Bay, A. Bujak, Oliver Kornadt, M. Pohl, Carlo Civinini, M. Maolinbay, X. Yan, P. Schmitz, G. Raven, M. Caria, X.G. Li, K. Freudenreich, M. Aguilar-Benitez, A. Koulbardis, C. Maña, I. C. Brock, Herwig Schopper, S. Röhner, Y. H. Chang, George Alverson, V. Koutsenko, L. Vuilleumeir, L. Ludovici, J. S. Kapustinsky, M. Chmeissani, E. Drago, L. Taylor, snm, E. Sajan, A. Marin, T. Driever, A. Tsaregorodtsev, F. Ferroni, Y. Zeng, J.P. Burq, H. R. Dimitrov, O. Fackler, E. Dénes, Yuehong Xie, and Christine Buisson
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Muon, 010308 nuclear & particles physics, Electron–positron annihilation, High Energy Physics::Phenomenology, Electroweak interaction, Hadron, Resonance, Weinberg angle, Electron, 7. Clean energy, 01 natural sciences, Nuclear physics, 0103 physical sciences, High Energy Physics::Experiment, 010306 general physics, Lepton
Abstract: We have measured the forward-backward asymmetry in e + e − → b b and e + e − → c c processes using hadronic events containing muons or electrons. The data sample corresponds to 4100000 hadronic decays of the Z0. From a fit to the single lepton and dilepton p and pT spectra, we determine A b b =0.086±0.015±0.007 and A c c =0.083±0.038±0.027 at the effective center-of-mass energy √s=91.24 GeV. These measurements yield a value of the electroweak mixing angle sin 2 θ w =0.2336±0.0029 .
Published: 1992

18. A test of quantum electrodynamics in the reaction e+e− → γγ(γ)

Author: P. Spillantini, N. E. Moulai, V. Plyaskin, E. Fiandrini, B. C. Stringfellow, Yu. Galaktionov, J. Alcaraz, M. Brooks, G. S. Sanders, M. T. Dova, S. Röhner, F. Wittgenstein, M. S. Sarakinos, T. Spickermann, H. S. Chen, G. Landi, R. W. Kraemer, M.L. Chen, J. D. Burger, Helmut Vogel, L. Ludovici, M. Chmeissani, E. Valente, Simone Paoletti, H. R. Gustafson, D. McNally, O. Fackler, X. Leytens, G. Viertel, S. Morganti, Y. Y. Xie, J. Schwenke, X. Y. Cui, L. Martinez-Laso, A. Marin, B. N. Jin, A. C. König, A. Atamanchuk, G. Rahal-Callot, Marcella Diemoz, K. L. Tung, H. J. Schreiber, R. Mount, W. J. Burger, J. P. Burq, B. Wysouch, Manjit Kaur, C. Dionisi, Valery Schegelsky, Antonino Zichichi, Ph Fisher, H. Rykaczewski, Giovanni Organtini, K. Schultze, Gerard Fernandez, H. Suter, H. Akbari, Daqiang Zhang, R. Fabbretti, A. Bujak, Adrian Biland, Y. H. Chang, Egidio Longo, D. Lanske, P. Marchesini, X. T. Cui, R. Y. Zhu, J.C. Sens, J. D. Swain, H. Anderhub, George Alverson, H. R. Dimitrov, Y. Karyotakis, Ming Zeng, M. Röhner, S. J. Fan, B. Ille, A. Arefiev, Jozsef Toth, L. Urbán, M. W. Gruenewald, H. Kuitjen, Kajari Mazumdar, K. Hilgers, Igor Vorobiev, G. Tsipolitis, R. T. Van de Walle, S. Khokhar, X. J. Yan, S. Müller, A. Nippe, E. Nagy, J. Lettry, D. Pandoulas, Z. M. Wang, S. Beingessner, M. M. Ilyas, D. Duchesneau, R. Barillère, S. Chung, M. Möller, P.V.K.S. Baba, Attilio Santocchia, L. Z. Sun, Elisabetta Gallo, H. Schopper, E. Sajan, J. G. Branson, Alexander Malinin, T. Ferguson, Felicitas Pauss, M. Caria, J. Mnich, X. R. Shi, M. Capell, K. S. Yang, C. Grinnell, G. Carlino, E. Dénes, M. Dhina, Y. J. Pei, R. Sehgal, Z. F. Gong, M. MacDermott, H. S. Fesefeldt, M. Chemarin, U. K. Chaturvedi, Leonardo Merola, Y. S. Lu, M. Vivargent, W. Friebel, M. A. Niaz, Xd Cai, Simonetta Gentile, A. Böhm, A. Koulbardis, J. Berdugo, P. Lebrun, P. Le Coultre, F. Crijns, Y. G. Wu, P. Schmitz, A. Rubbia, T. Foreman, G. Herten, T. E. Coan, E. Drago, P. G. Seiler, Nicolas Produit, P. McBride, L. Vuilleumier, L. Antonov, A. Sopczak, G. Q. Hu, Jj Blaising, D. P. Stickland, P. Extermann, D.W. Schmitz, G.G.G. Massaro, Claudio Luci, T. Kramer, Y. Mir, T. Azemoon, C. H. Ye, U. Herten, Jérôme Rose, I. Leedom, S. Reucroft, K. Freudenreich, H. Hofer, K. Hangarter, H. El Mamouni, M. Guanziroli, J. Busenitz, J. H. Field, C. Y. Chien, H. Newman, S. Shotkin, J. Bao, A. C. Weber, Z. Y. Lin, P. K. Malhotra, H. A. Rizvi, J. M. Salicio, A. Kunin, T. Paul, D.N. Mao, T. J. Wenaus, L. Romero, I. Scott, Wt Lin, Peter Denes, Robert Clare, C. R. Wang, P. Zemp, Z. P. Zhang, R. de Asmundis, J. H. Wang, S. Rosier-Lees, K. Strauch, A. Pevsner, M. Bourquin, X. W. Tang, M. Fukushima, Marcos Cerrada, M. Fabre, F. J. Rodriguez, R. Starosta, D. Luckey, Gy L. Bencze, C. Chen, E. Shumilov, Y. F. Mao, Paolo Bagnaia, M. Lenti, S. P. Ahlen, T. Angelov, Hafeez R Hoorani, K. S. Kumar, Reinhard W. Schulte, Pablo Garcia-Abia, J. Behrens, Jianming Qian, Pierluigi Paolucci, I. Vetlitsky, Alain Hervé, J. A. Bakken, Ph. Rosselet, Thomas Hebbeker, Paul Lecoq, S. S. Gau, M. Napolitano, M. Gailloud, I. C. Brock, H. L. Zhuang, G. Gratta, V. Koutsenko, V. Shoutko, A. Nadtochy, M. Merk, P. Razis, W. J. Metzger, G. Hu, J. Shukla, Stephane Jezequel, M. Sassowsky, Y. Mi, A. Bay, P. Vikas, BT Bouwens, I. Sheer, Carlo Civinini, C-Q. Li, F. Marion, C. Maña, G. Chiefari, M. Maolinbay, G. Raven, An.A. Vorobyov, T. Matsuda, E. Soderstrom, F. Marzano, G. Coignet, W. Krenz, L. Servoli, M. Tonutti, M. Hebert, J. M. Le Goff, D. H. Wright, Carlos Willmott, R. Rosmalen, M. Schneegans, F. Behner, Mingshui Chen, Speranza Falciano, Y. F. Wang, Georgi Sultanov, Z. Q. Yang, R. Weill, Fl Linde, T. S. Dai, T. McMahon, A. L. Anderson, D. M. Lee, M. Aguilar-Benitez, U. Uwer, V. K. Gupta, R. A. Khan, G. Mirabelli, K. N. Qureshi, L. J. Gutay, D. S. Yan, D. Antreasyan, M. White, W. W. Kinnison, J. Y. Liao, R. B. Sutton, M. Pauluzzi, Samuel C.C. Ting, G. H. Wang, O. Adriani, J. Salicio, Lucas Taylor, D. Z. Shen, P. Arce, F. Ferroni, D. Goujon, M. Bocciolini, Steven Goldfarb, P. J. Li, S. C. Tonwar, D. Ren, A. A. Syed, Qi An, J. A. Rubio, Frank Filthaut, K. Sudhakar, T. Driever, H. Janssen, Luciano Barone, K. Lübelsmeyer, A. Engler, R. Bizzarri, J. F. Zhou, F. DeNotaristefani, P. Kapinos, J. Fay, A. Gougas, P. Duinker, Vincenzo Innocente, M. Rescigno, C. F. He, F. Cesaroni, Y. Zeng, J. K. Guo, C. Neyer, U. Vikas, R. J. Wu, G. Passaleva, M. G. Alviggi, S. Riemann, V. P. Andreev, K. Schmeimann, Q. F. Wang, S. Lanzano, A. Klimentov, Giovanni Ambrosi, C. Buisson, D.J. Schotanus, M. Yzerman, Z. Z. Xu, Kenneth Francis Read, Els Koffeman, H. T. Li, Jiunn-Wei Chen, R. D'Allessandro, Emilio Leonardi, J. Schütte, Yu. Kamyshkov, D. Hauschildt, R. Bock, G. Sauvage, F. Plasil, C. Timmermans, G. Schwering, Marco Meschini, H. Vogt, F. C. Erné, W. G. Ma, S. Kirsch, Chenjie Gu, E. Brambilla, M. N. Kienzle-Focacci, A. Hasan, P. Berges, L. Baksay, D. Kirkby, Z. W. Yin, B. Lindemann, Lamberto Luminari, S. X. Wu, Q. Y. Yang, G. Finocchiaro, Xin-Qiang Li, A. Tsaregorodtsev, Davide Piccolo, Maurizio Biasini, Christopher George Tully, J. Perrier, D. DiBitonto, Barry Blumenfeld, B. Z. Yang, J. P. Martin, Marta Felcini, M. Steuer, Wolfgang Lohmann, G. Forconi, Francesco Becattini, B. Bertucci, J. Weber, R. C. Ball, R. Malik, Pierre Lecomte, G. Sartorelli, Nicanor Colino, S. N. Ganguli, S. Schulte, J. M. Lubbers, A. Degré, D. Perret-Gallix, D. Gele, O. Rind, G. B. Mills, E. Gonzalez, Zhuoxiang Ren, M. Wadhwa, A. Kasser, Atul Gurtu, H. Nowak, J. M. You, V. R. Krastev, G. A. Yang, K. Deiters, B. P. Roe, Oliver Kornadt, M. Pohl, Roberto Battiston, W. Wallraff, Gerjan Bobbink, B. Borgia, J. Ulbricht, S. Banerjee, M. Sachwitz, S. C. Yeh, I. Clare, S. Shevchenko, Tariq Aziz, P. Göttlicher, D. Linnhofer, R. Leiste, Federico Carminati, G. M. Bilei, J. B. Ye, Andrea Contin, S. Patricelli, Q. Ye, Y. D. Xu, B. Monteleoni, F. Sticozzi, W. Y. Chen, Crisostomo Sciacca, Marco Pieri, C. Spartiotis, R. Morand, N. Yunus, J. S. Kapustinsky, C. Zaccardelli, Howard A. Stone, Alberto Aloisio, A. Ricker, U. Becker, F. J. Eppling, L. W. Jones, S. M. Ting, Th. Meinholz, Z. L. Xue, P. A. Piroué, B. Zhou, B. C.C. van der Zwaan, A. M. Cartacci, R. Raghavan, W. Kittel, R. L. Sumner, J. Wenninger, V. Pojidaev, H. O. Cohn, A. Chen, A. Krivshich, D. Boutigny, B. L. Betev, X. L. Wang, Luca Lista, D. Fernandez, Yanwen Liu, C. G. Yang, and Dimitri Bourilkov
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Luminosity (scattering theory), 010308 nuclear & particles physics, Branching fraction, Electron–positron annihilation, 01 natural sciences, lcsh:QC1-999, Nuclear physics, Excited state, 0103 physical sciences, Cutoff, High Energy Physics::Experiment, 010306 general physics, lcsh:Physics
Abstract: We have measured the total and differential cross sections of the reaction e+e− → γγ(γ) at center-of-mass energies around 91 GeV, with an integrated luminosity of 14.2 pb−1. The results are in good agreement with QED predictions. We set lower limits, at 95% confidence level, on the QED cutoff parameters of Λ+ > 139 GeV, Λ− > 108 GeV and on the mass of an excited electron of m e∗ > 127 GeV . We searched for Z0 rare decays with photonic signitures in the final state. Upper limits, at 95% confidence level, for branching ratio of Z0 decaying into π0γ/γγ, νγ and γγγ are 1.2 × 10−4, 1.8 × 10−4, 3.3 × 10−5 respectively.
Published: 1992

19. An improved measurement of BO-BO mixing in ZO decays

Author: Yu. Kamyshkov, C. G. Yang, L.J. Gutay, Stefan Kirsch, K. S. Kumar, An.A. Vorobyov, T. Matsuda, O. Adriani, Lucas Taylor, M. G. Alviggi, J. Y. Liao, Emilio Leonardi, R. Bock, Yu. Galaktionov, J. Alcaraz, Bao Yang, A. M. Cartacci, R. Raghavan, A. C. König, Laurent Vuilleumier, R.B. Sutton, M. Guanziroli, S. Falciano, V. Pojidaev, M. Fukushima, M. Lenti, Giovanni Ambrosi, A. Pevsner, H.J. Schreiber, A. Nadtochy, Cheng Chen, R. Fabbretti, M. Merk, P. Vikas, L. Baksay, E. Shumilov, M. Sachwitz, David Stickland, Dimitri Bourilkov, Bolek Wyslouch, W. Kittel, K. Strauch, V. Shoutko, J. Behrens, J. M. Le Goff, G. S. Sanders, J. A. Rubio, R. Rosmalen, J. D. Burger, G. Rahal-Callot, A. Malinin, A. C. Weber, P. J. Li, Raffaello D'Alessandro, X.R. Shi, Chenjie Gu, P. Spillantini, L. Luminari, M. S. Sarakinos, G. Landi, N. E. Moulai, E. Fiandrini, C. Zaccardelli, C. Grinnell, D. Perret-Gallix, M.L. Chen, M. Tonutti, K. Sudhakar, K. Schultze, T. Foreman, H. Suter, C.F. He, S. Beingessner, Leonardo Merola, Simone Paoletti, K. N. Qureshi, E. Koffeman, H.R. Dimitrov, M. Hebert, Barry Blumenfeld, D. Lanske, A. A. Syed, L. Antonov, P. McBride, M. Fabre, Manjit Kaur, T. Azemoon, J.H. Wang, Mingshui Chen, B. Bouwens, H. R. Gustafson, D. DiBitonto, A. Gougas, U. Uwer, A. Chen, P. K. Malhotra, H. A. Rizvi, G. Schwering, C. Dionisi, J. Salicio, A. Kunin, X. L. Wang, H. Akbari, K. Lübelsmeyer, M. Pauluzzi, W.W. Kinnison, H. Hoorani, T. Paul, Marcos Cerrada, W. G. Ma, F. Marion, J. M. Salicio, Z.M. Wang, D. Kirkby, G. Sauvage, F. Crijns, W. J. Metzger, S. Schulte, M. L. Brooks, Gerard Fernandez, M. Gailloud, K. Schmiemann, Y. J. Pei, Q.Y. Yang, P. Marchesini, Harvey B Newman, K. Hilgers, Jun Guo, E. Nagy, F. DeNotaristefani, Kajari Mazumdar, T.R. McMahon, A. Kasser, X. J. Yan, S. Müller, Jozsef Toth, Ming Zeng, D. Ren, P. Arce, J. Mnich, Ingrid U. Scott, J. Lettry, P. Berges, D. Pandoulas, E. Brambilla, M. Diemoz, A. Hasan, J. Shukla, M. Röhner, A. Rubbia, S. Lanzano, J.P. Burq, Valery Schegelsky, Antonino Zichichi, Ph Fisher, H. Rykaczewski, Elisabetta Gallo, Xd Cai, E. Valente, Y.F. Mao, J. Bao, Y. D. Xu, U. Vikas, Y. Mir, C. H. Ye, Sc Yeh, G. Organtini, U. Herten, L. Romero, S. J. Fan, J. Perrier, Qun Wang, M. Bourquin, U. K. Chaturvedi, R. Malik, Georgi Sultanov, Fl Linde, T. S. Dai, Wt Lin, R. C. Ball, D.N. Mao, A. Nippe, S. Chung, Vincenzo Innocente, Pierre Lecomte, P.V.K.S. Baba, M. Bocciolini, Attilio Santocchia, Jean Fay, M. Dhina, F. Ferroni, G. Sartorelli, M. Gruenewald, Y. Zeng, Igor Vorobiev, L. Barone, R. A. Khan, S. Reucroft, Jérôme Rose, P. Bagnaia, G. Finocchiaro, Adrian Biland, C. Y. Chien, S. Riemann, V. K. Gupta, J. Busenitz, Pierluigi Paolucci, J. M. Lubbers, S. Shotkin, G. Gratta, V. P. Andreev, F. C. Erné, F. Plasil, R. T. Van de Walle, T. E. Coan, H.F. Chen, F. Marzano, T. Spickermann, Y. S. Lu, P. Razis, W. J. Burger, M. Chemarin, D. Goujon, Bernard Ille, A. Tsaregorodtsev, Davide Piccolo, Simonetta Gentile, G. M. Chen, J. Berdugo, W. Friebel, Jiunn-Wei Chen, Z.Q. Yang, D.W. Schmitz, J. Field, M. MacDermott, J. D. Swain, Zhuoxiang Ren, M. Wadhwa, D. Duchesneau, Robert Clare, S. Rosier-Lees, J.J. Blaising, D. J. Schotanus, Thomas Hebbeker, Paul Lecoq, R. W. Kraemer, B. Lindermann, H. Anderhub, M. A. Niaz, A. Engler, A. Böhm, L. Urbán, M. Napolitano, J. M. You, E. Longo, J.P. Martin, M. Capell, V. R. Krastev, H. S. Chen, L. Servoli, Y. H. Chang, T. Angelov, I. C. Brock, E. Dénes, H. S. Fesefeldt, George Alverson, M. Rescigno, G. Coignet, J. S. Kapustinsky, G. A. Yang, O. Rind, I. Sheer, G. B. Mills, D. Wright, C. J.W.P. Timmermans, Jianming Qian, E. Sajan, G. Hu, M. Möller, L.Z. Sun, M. Vivargent, I. Leedom, Maurizio Biasini, H. Hofer, V. Plyaskin, P. Schmitz, H. Vogel, P. Denes, Marta Felcini, T. Kramer, Marco Meschini, K. Freudenreich, Carlos Willmott, O. Fackler, K. L. Tung, Felicitas Pauss, R. Morand, M. T. Dova, Francesco Becattini, Y. F. Wang, H. O. Cohn, C. Li, Richard Mount, G.G.G. Massaro, C. Maña, P. Le Coultre, H. T. Li, D. Antreasyan, H. El Mamouni, D. McNally, P. Zemp, R. de Asmundis, Georgios Tsipolitis, K. Hangarter, Qi An, X. T. Cui, R. Barillère, Christopher George Tully, H. Janssen, K.S. Yang, I. Vetlitsky, R. Sehgal, E. Gonzalez, R.J. Wu, S. Jezequel, C. R. Wang, P. Kapinos, G. Chiefari, S. Shevchenko, G. Herten, Wolfgang Lohmann, R. Starosta, Torre Wenaus, Bernardo Adeva, B. Bertucci, A. Klimentov, D. Luckey, Gy L. Bencze, J.A. Bakken, Kenneth Francis Read, Reinhard W. Schulte, G. Viertel, Y Y. Xie, Nicanor Colino, F. Behner, S. P. Ahlen, Samuel C.C. Ting, D. Z. Shen, M. Sassowsky, G.H. Wang, H. Schopper, Christine Buisson, S. S. Gau, S. Gele, H. L. Zhuang, E. Drago, G. Forconi, Pablo Garcia-Abia, Alain Hervé, J.C. Sens, P. A. Piroué, A. Bay, B. Stringfellow, Z.Z. Xu, Carlo Civinini, M. Maolinbay, P.G. Seiler, G. Raven, Y. Karyptakis, A. Khokhar, X.G. Li, M. Aguilar-Benitez, R. Bizzarri, Steven Goldfarb, M. White, E. Soderstrom, M. Yzerman, J. Schwenke, G. Passaleva, S. Röhner, F. Wittgenstein, P. Extermann, L. Ludovici, M. Chmeissani, Z.Y. Lin, A. Marin, T. Driever, A. Degré, Y. Mi, L. Martinez-Laso, S. C. Tonwar, A. Atamanchuk, Frank Filthaut, M. M. Ilyas, C. Luci, N. Produit, Thomas Ferguson, A. Sopczak, J. Schütte, R. Weill, D. Hauschildt, A. Arefiev, R. Y. Zhu, Z.F. Gong, M. Caria, G. Carlino, S. Morganti, A. Koulbardis, M. Schneegans, B.N. Jin, A. L. Anderson, V. Koutsenko, W. Krenz, Ying Wu, J. F. Zhou, D.H. Zhang, S. X. Wu, Ph. Rosselet, M. Steuer, Atul Gurtu, K. Deiters, J. Weber, B. P. Roe, A. Bujak, Oliver Kornadt, M. Pohl, Guofan Hu, R.L. Sumner, J. G. Branson, Tariq Aziz, H. Stone, Crisostomo Sciacca, Marco Pieri, M. N. Kienzle-Focacci, C. Neyer, D. M. Lee, H. Nowak, Roberto Battiston, D. Boutigny, Gerjan Bobbink, J. Ulbricht, B. Borgia, W. Wallraff, I. Clare, P. Göttlicher, J. B. Ye, F. Cesaroni, R. Leiste, B. Monteleoni, F. Sticozzi, C. Spartiotis, S. Banerjee, Z. L. Xue, Zp Zhang, Alberto Aloisio, A. Ricker, Ph. Lebrun, Z. W. Yin, S. N. Ganguli, Th. Meinholz, J. Wenninger, X. W. Tang, B. Zhou, B. C.C. van der Zwaan, U. Becker, H. Vogt, F. J. Eppling, L. W. Jones, D. S. Yan, S. M. Ting, W. Y. Chen, N. Yunus, P. Duinker, D. Linnhofer, Federico Carminati, G. M. Bilei, Andrea Contin, S. Patricelli, Q. Ye, Luca Lista, D. Fernandez, Yanwen Liu, X. Leytens, A. Krivshich, B. L. Betev, and G. Mirabelli
Subjects: Physics, rnuons, Nuclear and High Energy Physics, Muon, Condensed matter physics, dilepton events, 010308 nuclear & particles physics, Electron–positron annihilation, Física, Electron, 01 natural sciences, lcsh:QC1-999, Nuclear physics, 0103 physical sciences, 010306 general physics, Mixing (physics), Ciencias Exactas, L3 data, lcsh:Physics
Abstract: A more precise determination of the B°-B ° mixing parameter in Z ° decays based on a fourfold increase in statistics has been made using the 1990 and t99t L3 data. The analysis of the dilepton events, rnuons and electrons, gives: Za = 0.121 + 0.017 (stat) :t: 0.006 (sys). Using the value Of Xd measured at the "f(4S) we derive the following limit for Zs: Zs > 0.16 (90% CL)., Facultad de Ciencias Exactas
Published: 1992

20. The L3 vertex detector: design and performance

Author: U. Herten, J. Mnich, J. Bao, R. Leiste, Georgi Sultanov, H. Anderhub, C. Spartiotis, P. Vikas, Ryan Heller, F. Tonisch, M. Glaubman, P. Zemp, G. Rahal-Callot, J.C. Sens, J. Behrens, H. von Gunten, A. Pevsner, J. Ulbricht, Ph Fisher, K. Schultze, H. Suter, S. Reucroft, L. Taylor, Hannes Jung, M. Pohl, C. Neyer, Y. Peng, P. Göttlicher, K. Quadleig, B. L. Betev, George Alverson, T. Winands, K. Dieters, W. Freibel, Wolfgang Lohmann, H. Vogt, D. Newman, J. Spangler, P. Schmitz, K. Hangarter, C. Camps, R. Starosta, T. Spickermann, Reinhard W. Schulte, Joe D. Orndorff, D. Ren, H. Virnich, V. Commichau, U. Rinsche, Ulf Roser, A. Hasan, N. Rieb, I. Leedom, Adrian Biland, A. Böhm, M. MacDermott, H. Liebmann, Jérôme Rose, G. Trowitzsch, C. Y. Chien, H. Hofer, A. Donat, M. Haensli, M. Möller, F. Behner, F. Beissel, J. Weber, D. McNally, G. Viertel, S. Röhner, H. Akbari, S. Waldmeier, H. Szcesny, L. Djambazov, and M. Maolinbay
Subjects: Physics, Nuclear and High Energy Physics, Luminosity (scattering theory), Drift velocity, Physics::Instrumentation and Detectors, Expansion chamber, business.industry, TEC, Data acquisition, Optics, High Energy Physics::Experiment, Vertex detector, business, Instrumentation, Image resolution
Abstract: The L3 vertex detector is comprised of the time expansion chamber (TEC), the Z -chamber and a layer of plastic scintillating fibers. The TEC has shown a high spatial resolution and an excellent multi-track reconstruction capability at LEP luminosity. The Z -chamber provides information about the z -coordinates of the tracks and the fibers are used for calibrating the drift velocity with a high precision. A description of the L3 vertex detector, its readout and data acquisition and its performance during the 1990 LEP running period is presented in this paper.
Published: 1992

21. Properties of Thermal Spraying Ni-Al Alloy Coatings

Author: R. Starosta
Subjects: 6111 aluminium alloy, Materials science, Complementary and alternative medicine, Metallurgy, Alloy, engineering, Gas dynamic cold spray, Pharmaceutical Science, Pharmacology (medical), 5005 aluminium alloy, engineering.material, Thermal spraying, Corrosion
Published: 2009

22. A test of QCD based on 3-jet events from Z0 decays

Author: R. Leiste, S. Beingessner, J. Mnich, H.R. Dimitrov, G. Wuy, M. Hebert, Panos A Razis, A. Rubbia, P. Duinker, L. Antonov, J. D. Burger, J.C. Sens, A. M. Cartacci, R. Raghavan, A. C. König, Y.P. Tong, Konrad Deiters, M N. Kienzle-Focacci, Alberto Aloisio, A. Ricker, Dimitri Bourilkov, Ren-Yuan Zhu, Luciano Barone, F. Filthaut, D. Lee, P. Schmitz, K. Freudenreich, I. C. Brock, G. Rahal-Callot, Guofan Hu, J. Bao, K. Schultze, E. Tarkovsky, H. Anderhub, M. Yzerman, P. Le Coultre, B. Monteleoni, F. Sticozzi, P. Blömeke, M. Fukushima, A. Gordeev, C. R. Wang, J. Krizmanic, A. Marchionni, V.R. Krastev, Th. Meinholz, N. E. Moulai, D. Gelé, V. Koutsenko, R K. Bock, Q.Y. Yang, V. Commichau, H. J. Schreiber, D. Lanske, G. Bransonj, Raffaello D'Alessandro, C. Grinnell, D.N. Mao, K. Schmiemann, Leonardo Merola, R. Starosta, D. Luckey, Gy L. Bencze, R. Weill, J.M. Qian, Zhidong Zhang, C. Spartiotis, J. Berdugo, Z.Q. Yang, E. Gonzalez, S. Lanzano, Bernardo Adeva, X. W. Tang, I. Sheer, P. A. Piroué, G. Schwering, G. Sauvage, F. De Notaristefani, A. Hasan, M. Gailloud, Reinhard W. Schulte, Steven Goldfarb, F. C. Erné, D.H. Zhang, Y. H. Chang, George Alverson, Vineet Kumar, J.-P. Burq, W. Stoeffl, P. Vikas, R. Barillère, R. L. Sumner, G. H. Wang, A. L. Anderson, J. M. Le Goff, D. H. Wright, R. Malik, Federico Carminati, R. Morand, Z. L. Xue, R.J. Wu, A. Sopczak, S. Riemann, J. Behrens, P. J. Li, P. Lebrun, J. F. Zhou, T. Azemoon, J. Wenninger, G. Mirabelli, H.F. Chen, G. S. Sanders, Z. W. Yin, S. N. Ganguli, J. A. Rubio, S. Schulte, H O. Cohn, E. Isiksal, M. Schneegans, Adrian Biland, B. N. Jin, M. Guanziroli, L. Li, D. Duchesneau, F. Cesaroni, K. Lübelsmeyer, Piero Spillantini, V. Pojidaev, A. Arefiev, M. MacDermott, M W. Grunewald, Howard A. Stone, Zhuoxiang Ren, M. Wadhwa, F. Tonisch, D. J. Schotanus, J. M. You, G. Herten, J. Y. Liao, Harvey B Newman, K. Hilgers, N. Produit, K. Sudhakar, Q. Fan, W. Friebel, F. Behner, U. Uwer, J. P. Martin, A. Chen, J. Salicio, Z. Shend, M. A. Niaz, Marcos Cerrada, M. Rubio, Nikita Smirnov, K.D. Shmakov, S. J. Fan, J. Schütte, G. A. Yang, D. P. Stickland, Zheng Wang, W. Wallraff, A. Degré, J K. Guo, E. Shumilov, Y. Mir, C. H. Ye, Sc Yeh, S. Banerjee, W.G. Ma, S. S. Gau, P.V.K.S. Baba, P. Extermann, R. de Asmundis, I. Leedom, H. Hofer, K. L. Tung, Yueh-Feng Liu, M. Lenti, L. Romero, V. Shoutko, P. Cardenal, W. Kittel, Ht. Li, Qiang Li, M.L. Chen, L.S. Hsu, D. Pandoulas, O. Rind, Tariq Aziz, H. R. Gustafson, A. Klimentov, B. Borgia, J. A. Bakken, M. Sachwitz, H. Suter, Rw. Kramer, F. Marzano, G. Coignet, W. Krenz, W. Kinnison, J. Alcaraz, B. Lindemann, F. Bruyant, M. Möller, A. Engler, M. Bourquin, Gerard Fernandez, Hafeez R. Hoorani, M. Tonutti, W. Ruckstuhl, C. Dionisi, U. K. Chaturvedi, Y. S. Lu, K. Strauch, Valentin V. Khoze, S. X. Wu, S. Patricelli, S. Shevchenko, M. Fabre, R.B. Sutton, An.A. Vorobyov, T. Matsuda, V. Plyaskin, M. Capell, G. Passaleva, T. Spickermann, Jozsef Toth, J. Lettry, Claudio Luci, U. Herten, Georgi Sultanov, Crisostomo Sciacca, Marco Pieri, D. DiBitonto, Jérôme Rose, Ph. Rosselet, Egidio Longo, M. Steuer, M. J. Glaubman, G. Forconi, H S. Chen, J. Weber, Pablo Garcia-Abia, Bernard Ille, H. S. Fesefeldt, Alain Hervé, J. H. Field, G. Trowitzsch, C. Y. Chien, C. Li, Q. Ye, C. Rippich, G. Chiefari, Elisabetta Gallo, T. S. Dai, O. Fackler, R. A. Khan, K. N. Qureshi, A. Bohm, Z.Z. Xu, P. Zemp, Cheng Chen, O. Adriani, X.R. Shi, I. Clare, J. Busenitz, M. T. Dova, R. Bizzarri, M. M. Ilyas, L Z. Sun, D. Perret-Gallix, Y D. Xu, Lucas Taylor, G.B. Mills, R. Magahiz, B. P. Roe, A. A. Syed, A. Savin, H. El Mamouni, I. Scott, Marcella Diemoz, P. Göttlicher, A. Bay, C. Neyer, R. Fabbretti, L. Leistam, S. L. Wu, Speranza Falciano, J. D. Swain, C. Zaccardelli, Jj Blaising, P. Arce, D. Goujon, S. Reucroft, S. Shotkin, A. Kasser, V. P. Andreev, G.J. Bobbink, T. Kramer, M. Chemarin, T. Angelov, K. Lanius, G. Hu, M E. Sarakinos, F. Crijns, P. McBride, J. M. Salicio, G. M. Chen, Yu. Kamyshkov, Vincenzo Innocente, Bz Yang, B T. Bouwens, Carlo Civinini, G. Finocchiaro, L. J. Gutay, Marcel Merk, U. Becker, M. Maolinbay, H. Haan, P. Berges, X. Leytens, Kajari Mazumdar, S. Khokhar, T.R. McMahon, X. J. Yan, M. Maire, J. Perrier, Mariagrazia Alviggi, G. Von Dardel, D. Linnhofer, Carlos Willmott, C. G. Yang, Emilio Leonardi, Y. F. Wang, X.G. Li, F. J. Eppling, L. W. Jones, R. Mount, I. Vetlitsky, D. S. Yan, Z. Y. Lin, Xd Cai, K. S. Kumar, S. M. Ting, A. Bujak, Oliver Kornadt, M. Pohl, R. Liu, D. Antreasyan, W. Y. Chen, Qi An, M. Aguilar-Benitez, I. Duran, H. Janssen, K.S. Yang, L. Baksay, P. Marchesini, Samuel C.C. Ting, S. Muller, Simonetta Gentile, V.G. Shevchenko, G. Gratta, Boleslaw Wyslouch, Kenneth Francis Read, F. Chollet, V. Lalieu, Lamberto Luminari, G. Conforto, S. Rosier-Lees, Ming Zeng, Z. F. Gong, Herwig Schopper, M. White, M. Bocciolini, M. Röhner, R. C. Ball, Pierre Lecomte, G. Sartorelli, Petr Levchenko, Charles Timmermans, R. Rosmalen, A. Malinin, S. Röhner, A. Kunin, Y.F. Mao, F. Wittgenstein, R. T. Van de Walle, L. Ludovici, D. Hauschildt, E. Drago, L. Niessen, P.G. Seiler, E. Valente, D. McNally, T. Driever, Peter Denes, G. Viertel, S. Morganti, J. Schwenke, X. Y. Cui, Paolo Bagnaia, L. Martinez-Laso, L. Urbán, D. Boutigny, Y. Mi, B. L. Betev, E. Dénes, F. Pauss, R. Sehgal, G. Morand, Valery Schegelsky, Xl Wang, Antonino Zichichi, J.M. Lubbers, Ph Fisher, H. Rykaczewski, Thomas Ferguson, C. Tonwars, Y. Karyotakis, D.G. Stringfellow, E. Nagy, M. Vivargent, Christine Buisson, I. Vorobiev, Z. M. Wang, D. Kirkby, F. Plasil, Jean Fay, M. Dhina, Christopher George Tully, T. Foreman, Wolfgang Lohmann, H. Vogt, B. Bertucci, J. Ulbricht, Y Y. Xie, Nicanor Colino, J.H. Wang, P. K. Malhotra, H. A. Rizvi, W. J. Metzger, G.G.G. Massaro, F. Carbonara, F. L. Linde, Wd. Nowak, Qian Wang, C. F. He, J. Peiy, H L. Zhuang, A. Pevsner, Barry Blumenfeld, G. Paternoster, D.W. Schmitz, Robert Clare, Thomas Hebbeker, Paul Lecoq, M. Napolitano, E. Soderstrom, G. Landi, T.J. Wenaus, Manjit Kaur, H. Akbari, J F. Li, Mingshui Chen, D. Ren, J B. Ye, A. Contin, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), CMS, Institut de Physique des 2 Infinis de Lyon (IP2I Lyon), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), and L3
Subjects: Quantum chromodynamics, Physics, Quark, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, High Energy Physics::Lattice, High Energy Physics::Phenomenology, Scalar (mathematics), Elementary particle, Parton, Jet (particle physics), 01 natural sciences, Gluon, Nuclear physics, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, 010306 general physics, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries), Particle Physics - Experiment, Boson
Abstract: We present a study of 43 000 3-jet events from Z0 boson decays. Both the measured jet energy distributions and the event orientation are reproduced by second order QCD. An alternative model with scalar gluons fails to describe the data. © 1991.
Published: 1991

23. Measurement of the inclusive production of neutral pions and charged particles on the Z0 resonance

Author: Yu. Galaktionov, D. Pandoulas, T. McMahon, J. Alcaraz, T. Spickermann, Bernard Ille, X. Lue, U. K. Chaturvedi, Y. S. Lu, A. A. Syed, Igor Vorobiev, M. Hebert, C. Dionisi, Pablo Garcia-Abia, Alain Hervé, G. Landi, Egidio Longo, J.C. Sens, Panos A Razis, M. S. Sarakinos, R. Mount, A. Bay, Jozsef Toth, J. Lettry, Claudio Luci, Cheng Chen, R. Magahiz, J. D. Swain, X.L. Wang, P. McBride, Jérôme Rose, B.C. Stringfellow, M. Yzerman, F. Crijns, M. M. Ilyas, Valery Schegelsky, Antonino Zichichi, Ph Fisher, H. Rykaczewski, Y. Karyotakis, E. Gonzales, P. Blömeke, M.L. Chen, Manjit Kaur, H. R. Gustafson, Bolek Wyslouch, Qian Wang, Carlo Civinini, C. F. He, M. Maolinbay, A. Pevsner, H. Akbari, Adrian Biland, Daqiang Zhang, Barry Blumenfeld, Elisabetta Gallo, A. Böhm, C. Zaccardelli, J. H. Field, G. Trowitzsch, C. Y. Chien, Jun Guo, B. Lindemann, G. Herten, Jean Fay, M. Dhina, D. Boutigny, J.H. Wang, A. Gordeev, P. K. Malhotra, H. A. Rizvi, A. Kunin, W. J. Metzger, K. N. Qureshi, F. Carbonara, F. L. Linde, G. Finocchiaro, S. Schulte, M. Aguilar-Benitez, M. Fukushima, Marcella Diemoz, Dimitri Bourilkov, R.W. Krammer, K. Schmiemann, Herwig Schopper, M. Bocciolini, An.A. Vorobyov, T. Matsuda, C. Manña, V. Shevchenko, S. Beingessner, W. Friebel, G. Faber, S. Reucroft, M. White, J. Berdugo, K.D. Shmakov, S. J. Fan, J. Behrens, P. J. Li, J. Perrier, M. N. Kienzle-Focacci, Y. J. Pei, O. Adriani, J. Mnich, R. Weill, L. Antonov, G. Von Dardel, A. Degré, S. Shotkin, R. Sehgal, Z.Q. Yang, M. Lenti, A. C. Weber, N. E. Moulai, P. Lebrun, A. Rubbia, J. M. Le Goff, T. Foreman, M. J. Glaubman, S. Lanzano, Lucas Taylor, M. Möller, B. Martin, A. L. Anderson, D. P. Stickland, Raffaello D'Alessandro, X.G. Lli, G. S. Sanders, C. Grinnell, D. Wright, Ying Wu, J. F. Zhou, F. Diez-Hedo, Peter Denes, D. Z. Shen, P. Cardenal, J. A. Bakken, B. Borgia, W. Kittel, H. El Mamouni, Leonardo Merola, E. Valente, F. Plasil, J. Bao, M. MacDermott, P. G. Seiler, J. A. Rubio, M. A. Niaz, G. Mirabelli, Y. Mir, C. H. Ye, Paolo Bagnaia, F. Cesaroni, J. Ulbricht, Yu. Kamyshkov, M. Sachwitz, G. Sauvage, Mingshui Chen, Marco Meschini, F. Bruyant, E. Nagy, A. Engler, W. Ruckstuhl, D. McNally, E. Dénes, M. Merk, U. Uwer, J. Y. Liao, D. Kirkby, A. Chen, T. Azemoon, C. J.W.P. Timmermans, P. Extermann, P. Vikas, M. Capell, Yuehong Xie, I. Leedom, M. Vivargent, B. Spiess, Christine Buisson, K. Lübelsmeyer, Piero Spillantini, A. Bujak, H. Hofer, P. Arce, Mw Gruenewald, J. Salicio, H.R. Dimitrov, K. L. Tung, M. Schneegans, J. Krizmanic, G. Chiefari, D. Goujon, A. Marchionni, S. Shevchenko, X. Leytens, G. Viertel, E. Isiksal, R. Rosmalen, Emilio Leonardi, Z. M. Wang, J. Schütte, S. Rosier-Lees, C. G. Yang, Harvey B Newman, K. Hilgers, X.R. Shi, Marcos Cerrada, M. Rubio, J. D. Burger, Vincenzo Innocente, Christopher George Tully, R. Malik, P. Le Coultre, S. Morganti, H. S. Fesefeldt, R. Bock, V.R. Krastev, G. Rahal-Callot, Ren-Yuan Zhu, Luciano Barone, Petr Levchenko, S. Röhner, D. Ren, Lamberto Luminari, Qiang Li, I. Clare, J. Busenitz, J. Schwenke, W.G. Ma, X. Y. Cui, P. Göttlicher, F. Wittgenstein, K. S. Kumar, D.W. Schmitz, G.G.G. Massaro, J. M. Lubbers, K. Sudhakar, L. Baksay, A. A. Savin, Wolfgang Lohmann, A. Sopczak, J. Fehlmann, L. Ludovici, U. Vikas, Robert Clare, A. Contin, L. Martinez-Laso, E. Drago, V. Plyaskin, H. Vogt, B. Bertucci, Thomas Hebbeker, Paul Lecoq, K. Schultze, L. Niessen, E. Tarkovsky, Zhuoxiang Ren, Sau Lan Wu, R. C. Ball, M. Wadhwa, M. Guanziroli, Pierre Lecomte, G. Sartorelli, M. Napolitano, P. Marchesini, U. Herten, J. B. Ye, L. Z. Sun, Q.Y. Yang, Ming Zeng, Z.Y. Lin, D. J. Schotanus, J. M. You, R. Leiste, D.N. Mao, H. Anderhub, C. R. Wang, Nicanor Colino, D. Lanske, M. Röhner, Sc Yeh, G. Fernandez, B. Z. Yang, L. Romero, J. P. Martin, E. Soderstrom, H. S. Chen, N. Produit, Helmut Vogel, M. T. Dova, H. O. Cohn, R. Starosta, Bernardo Adeva, G. A. Yang, D. Luckey, Gy L. Bencze, A. Gurtu, O. Fackler, L. Urbán, Y. Mi, V. Commichau, H. J. Schreiber, E. Shumilov, T. Kramer, G. B. Mills, J. J. Blaising, B. Monteleoni, F. Sticozzi, Kajari Mazumdar, S. Khokhar, X. J. Yan, S. Müller, Y.F. Mao, M. Bourquin, V. Shoutko, Reinhard W. Schulte, C. Spartiotis, L. Li, D. Duchesneau, K. Strauch, F. C. Erné, P. Zemp, H. Haan, R. de Asmundis, S. C. Tonwar, Alexander Malinin, M. Tonutti, U. Roeser, Xd Cai, R. Morand, M. Gailloud, W. Kinnison, I. Scott, Frank Filthaut, M. Fabre, Z. L. Xue, Mariagrazia Alviggi, Thomas Ferguson, A. Hasan, Howard A. Stone, Georgi Sultanov, J.F. Li, H.F. Chen, F. Tonisch, Q. Fan, I. Vetlitsky, T. S. Dai, R. A. Khan, H. Suter, T. Driever, Valentin V. Khoze, Y. D. Xu, V. P. Andreev, G.J. Bobbink, M. Chemarin, C-Q. Li, G. M. Chen, R. Bizzarri, F. DeNotaristefani, L. Leistam, R.J. Wu, P. Berges, M. Maire, O. Rind, Hafeez R. Hoorani, Z.F. Gong, V. Lalieu, Y. H. Chang, George Alverson, R. T. Van de Walle, V. Koutsenko, Vineet Kumar, J.P. Burq, P. Schmitz, Alexei Klimentov, K. Deiters, K. Freudenreich, Roberto Divia, B. P. Roe, R. Liu, I. C. Brock, T. J. Wenaus, P.V.K.S. Baba, H. L. Zhuang, Oliver Kornadt, M. Pohl, A. Kasser, Guofan Hu, J. Schwering, Z.Z. Xu, F. Ferroni, Y. Zeng, T. Angelov, J. G. Branson, Jianming Qian, G. Hu, Carlos Willmott, Speranza Falciano, Y. F. Wang, H. T. Li, Z. W. Yin, D. Antreasyan, S. N. Ganguli, Giovanni Paternoster, Qi An, H. Janssen, K.S. Yang, P. Duinker, Simonetta Gentile, Kenneth Francis Read, G. Conforto, D. Hauschildt, C. Neyer, D. M. Lee, B. N. Jin, H. Nowak, Wolfgang Stoeffl, Samuel C.C. Ting, L. Zehnder, W. Wallraff, Steven Goldfarb, S. Banerjee, G. Passaleva, Zp Zhang, Tariq Aziz, W. Y. Chen, D. Gele, Crisostomo Sciacca, François Chollet, Marco Pieri, C. Rippich, G. Gratta, Alberto Aloisio, A. Ricker, S.S. Gau, Th. Meinholz, L. J. Gutay, U. Becker, X. W. Tang, I. Sheer, I. Duran, P. A. Piroué, B. Bouwens, F. J. Eppling, L. W. Jones, S. X. Wu, D. S. Yan, S. M. Ting, R.B. Sutton, D. Linnhofer, Federico Carminati, D. DiBitonto, Ph. Rosselet, S. Patricelli, Q. Ye, M. Steuer, G. Forconi, J. Weber, D. Perret-Gallix, A. Arefiev, Aa Vorobyov, F. Marzano, G. Coignet, W. Krenz, R. Fabbretti, Yanwen Liu, Sabine Riemann, A. M. Cartacci, R. Raghavan, A. C. König, Y.P. Tong, Laurent Vuilleumier, R. L. Sumner, G. H. Wang, J. Wenninger, V. Pojidaev, Nikita Smirnov, Zm Wang, B. L. Betev, G. Morand, L.S. Hsu, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), CMS, Institut de Physique des 2 Infinis de Lyon (IP2I Lyon), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), L3, and IHEF (IoP, FNWI)
Subjects: Quantum chromodynamics, Physics, Nuclear and High Energy Physics, Particle physics, Annihilation, 010308 nuclear & particles physics, Electron–positron annihilation, High Energy Physics::Phenomenology, Hadron, 7. Clean energy, 01 natural sciences, Charged particle, Nuclear physics, Pion, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, Center of mass, Nuclear Experiment, 010306 general physics, Parton shower, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries), Particle Physics - Experiment
Abstract: We present a study of the inclusive production of neutral pions and charged particles from 112 000 hadronic Z 0 decays. The measured inclusive momentum distributions can be reproduced by parton shower Monte Carlo programs and also by an analytical QCD calculation. Comparing our results to e + e − data between √ s = 9 and 91 GeV, we findfind that the evolution of the spectra with center of mass energy is consistent with the QCD predictions.
Published: 1991

24. Decay properties of tau leptons measured at the Z0 resonance

Author: Adrian Biland, Roberto Battiston, H. Anderhub, K.D. Shmakov, S. J. Fan, B. Borgia, L.S. Hsu, Gerard Fernandez, J. Ulbricht, J.H. Wang, Jozsef Toth, J. Lettry, Claudio Luci, A. Engler, W. Ruckstuhl, P. Zemp, F. Plasil, Zhongyukun Xu, P. K. Malhotra, H. A. Rizvi, A. Kunin, Zheng Wang, Mingshui Chen, I. Clare, J. Busenitz, R. de Asmundis, H. S. Fesefeldt, P. Göttlicher, Elisabetta Gallo, M. Pauluzzi, B. P. Roe, Petr Levchenko, S. Röhner, L. J. Gutay, W. Kittel, W. J. Metzger, F. Wittgenstein, U. Becker, L. Ludovici, M. Chmeissani, J. B. Ye, E. Drago, L. Niessen, H. R. Gustafson, Sau Lan Wu, Chenliang Wang, T. Driever, D. Ren, R. Sehgal, O. Fackler, L. Z. Sun, L. Urbán, I. Duran, X. L. Wang, Yuehong Xie, M. Vivargent, Christine Buisson, Z. M. Wang, An.A. Vorobyov, L. Antonov, R. Leiste, C. Neyer, F. Carbonara, B. L. Betev, K. N. Qureshi, E. Nagy, C. Dionisi, T. Matsuda, Pablo Garcia-Abia, T. Kramer, Alain Hervé, F. L. Linde, S. Reucroft, S. Schulte, A. Bay, F. J. Eppling, L. W. Jones, A. Contin, Carlo Civinini, B. Monteleoni, M. Sachwitz, M. Maolinbay, F. Sticozzi, G. Raven, M. Capell, X.G. Li, B. N. Jin, M. Aguilar-Benitez, Giovanni Ambrosi, S. Shotkin, H. Nowak, D. S. Yan, K. Schmiemann, Herwig Schopper, S. M. Ting, J. J. Blaising, M. White, X. R. Shi, Felicitas Pauss, V. Plyaskin, M. J. Glaubman, G. Morand, Y. J. Pei, C. Spartiotis, A. C. Weber, O. Adriani, Lucas Taylor, J. Krizmanic, A. Marchionni, M. Schneegans, D. M. Lee, Qian Wang, Wolfgang Stoeffl, G. Schwering, R. Malik, Qiang Li, S. Rosier-Lees, V.R. Krastev, D. P. Stickland, H. Haan, H. El Mamouni, A. Bujak, Oliver Kornadt, M. Pohl, P. Le Coultre, R. Morand, Z. L. Xue, M. T. Dova, Howard A. Stone, Mariagrazia Alviggi, Yu. Kamyshkov, E. Gonzalez, A. A. Savin, D. Linnhofer, R. Fabbretti, Y. Mir, M. Guanziroli, E. Valente, C. H. Ye, F. Tonisch, Q. Fan, J. M. Lubbers, W. Wallraff, P. Schmitz, Alexei Klimentov, H. O. Cohn, P. Arce, D. Goujon, Federico Carminati, C. F. He, J. M. Salicio, Zhen Zhang, Mw Gruenewald, G. B. Mills, C. G. Yang, P. Vikas, S. Lanzano, Bernardo Adeva, G. Mirabelli, G. M. Bilei, J. P. Martin, T. Angelov, D. McNally, I. Vetlitsky, D.N. Mao, A. Kasser, Guofan Hu, S. Banerjee, H.R. Dimitrov, U. Herten, B. Wysouch, R. Starosta, D. Luckey, Vincenzo Innocente, R. Barillère, A. Pevsner, R. Mount, K. S. Kumar, E. Shumilov, Gy L. Bencze, Reinhard W. Schulte, Zhuoxiang Ren, M. Gailloud, M. Wadhwa, D. J. Schotanus, J. D. Burger, A. Sopczak, V. Shoutko, Yanwen Liu, F. C. Erné, M. Fukushima, Barry Blumenfeld, G. Herten, S. Beingessner, S. Patricelli, Valery Schegelsky, Antonino Zichichi, Sabine Riemann, X. Leytens, C-Q. Li, Q. Ye, G. Paternoster, D.W. Schmitz, G. Rahal-Callot, G.G.G. Massaro, K. Lanius, J. M. You, K. Lübelsmeyer, Piero Spillantini, Wen-Gan Ma, W. Friebel, N. Produit, J. G. Branson, K. Freudenreich, R.J. Wu, G. Viertel, Ph Fisher, J. Mnich, M. Tonutti, H. Rykaczewski, V. Shevchenko, K. Sudhakar, Y. Karyotakis, R. Bizzarri, Alberto Aloisio, A. Ricker, F. DeNotaristefani, Robert Clare, Thomas Hebbeker, A. M. Cartacci, Paul Lecoq, R. W. Kraemer, G. A. Yang, K. Dénes, Igor Vorobiev, Jianming Qian, D. Z. Shen, A. Rubbia, T. Foreman, J. A. Bakken, M. Hebert, R. Raghavan, A. C. König, Y.P. Tong, Laurent Vuilleumier, G. Hu, L. Leistam, Th. Meinholz, Panos A Razis, M. Napolitano, Z. W. Yin, S. N. Ganguli, Z. F. Gong, E. Soderstrom, W. Y. Chen, A. A. Syed, K. Schultze, E. Tarkovsky, J. Bao, Attilio Santocchia, P. Blömeke, Jean Fay, M. Dhina, Dimitri Bourilkov, D. Boutigny, X. W. Tang, I. Sheer, P. A. Piroué, H. S. Chen, L. Servoli, G. Landi, R. L. Summer, Peter Denes, D. Lanske, Sc Yeh, Lamberto Luminari, J. M. Le Goff, D. H. Wright, A. Gordeev, Stéphane Jézéquel, G. H. Wang, Z. Y. Lin, B.C. Stringfellow, J. P. Burg, P. Berges, Tariq Aziz, O. Rind, Paolo Bagnaia, S. Morganti, M. Yzerman, F. Crijns, M. Bocciolini, L. Romero, J. Berdugo, Hafeez R. Hoorani, N. E. Moulai, E. Fiandrini, J. Wenninger, Z.Q. Yang, D. Duchesneau, V. Pojidaev, Nikita Smirnov, Manjit Kaur, M. Fabre, Y. Mi, H. Akbari, Daqiang Zhang, M. Caria, Georgi Sultanov, G. S. Sanders, J.F. Li, T. S. Dai, R. A. Khan, G. Gratta, Jun Guo, M. Bourquin, B. Lindemann, Crisostomo Sciacca, K. Strauch, Carlos Willmott, G. Finocchiaro, H. Suter, Marco Pieri, G. Sauvage, C. Rippich, V. Lalieu, S. C. Tonwar, P. G. Seiler, J. A. Rubio, V. P. Andreev, G.J. Bobbink, R. C. Ball, Pierre Lecomte, Valentin V. Khoze, G. Sartorelli, Frank Filthaut, Speranza Falciano, Harvey B Newman, M. Chemarin, V. Koutsenko, G. M. Chen, Thomas Ferguson, K. Hilgers, M. N. Kienzle-Focacci, R. Rosmalen, Marcel Merk, J. Schwenke, J. Perrier, Marco Meschini, X. Y. Cui, D. Kirkby, Charles Timmermans, Christopher George Tully, Wolfgang Lohmann, H. Vogt, B. Bertucci, H. T. Li, D. Antreasyan, Nicanor Colino, Qi An, D. Pandoulas, H. Janssen, K.S. Yang, Helmut Vogel, T. Spickermann, P. Duinker, M. Möller, Simonetta Gentile, Bernard Ille, Kenneth Francis Read, G. Conforto, D. Hauschildt, Kajari Mazumdar, S. Khokhar, T.R. McMahon, X. J. Yan, S. Müller, R. Liu, R. Magahiz, S. S. Gau, T. J. Wenaus, P.V.K.S. Baba, J. D. Swain, H. F. Chen, H. L. Zhuang, Xd Cai, F. Cesaroni, L. Martinez-Laso, J. Y. Liao, P. McBride, C. Maña, I. C. Brock, Emilio Leonardi, J. Schütte, Y. F. Wang, R. Bock, P. Marchesini, G. Chiefari, L. Baksay, F. Bruyant, Ming Zeng, S. Shevchenko, F. Behner, M. Röhner, F. Ferroni, Y. Zeng, Y. H. Chang, George Alverson, Vineet Kumar, Y.F. Mao, R. T. Van de Walle, I. Scott, M. MacDermott, M. A. Niaz, P. Extermann, I. Leedom, B. Z. Yang, H. Hofer, K. L. Tung, Egidio Longo, J.C. Sens, M. S. Sarakinos, M. M. Ilyas, M.L. Chen, Marcella Diemoz, R. Weill, M. Lenti, G. Von Dardel, A. L. Anderson, A. Degré, Ying Wu, J. F. Zhou, A. Arefiev, Raffaello D'Alessandro, C. Grinnell, Aa Vorobyov, Leonardo Merola, T. Azemoon, L. Li, Marcos Cerrada, Ren-Yuan Zhu, Luciano Barone, Yu. Galaktionov, J. Alcaraz, F. Marzano, G. Coignet, W. Krenz, Q.Y. Yang, A. Gurtu, V. Commichau, H. J. Schreiber, Cheng Chen, Samuel C.C. Ting, A. Böhm, C. Zaccardelli, W. W. Kinnison, Steven Goldfarb, G. Passaleva, D. Gele, A. Hasan, S. X. Wu, R.B. Sutton, D. DiBitonto, Ph. Rosselet, M. Steuer, G. Forconi, J. Weber, D. Perret-Gallix, Y. D. Xu, U. K. Chaturvedi, Y. S. Lu, A. Malinin, Jérôme Rose, J. H. Field, G. Trowitzsch, C. Y. Chien, J. Behrens, P. J. Li, P. Lebrun, BT Bouwens, U. Uwer, A. Chen, J. Salicio, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), CMS, Institut de Physique des 2 Infinis de Lyon (IP2I Lyon), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), L3, and IHEF (IoP, FNWI)
Subjects: Physics, Nuclear and High Energy Physics, 010308 nuclear & particles physics, Electron–positron annihilation, 01 natural sciences, Charged particle, Nuclear physics, 0103 physical sciences, Decay length, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Impact parameter, 010306 general physics, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries), Particle Physics - Experiment, Lepton
Abstract: From 2540 Z0 → τ+τ− events, we determine the inclusive decay branching fractions of the τ-lepton into one and three charged particles to be 0.856 ± 0.006 (stat.) ± 0.003 (syst.) and 0.144 ± 0.006 (stat.) ± 0.003 (syst.), respectively. The leptonic branching fractions are measured to be 0.175 ± 0.008 (stat.) ± 0.005 (syst.) for τ → μνμντ and 0.177 ± 0.007 (stat.) ± 0.006 (syst.) for τ → eνeντ. We determined the τ lifetime both from three-prong decays using the decay length and from one-prong decays using the impact parameter. The results from the two independent methods agree and yield a combined value of [0.309 ± 0.023 (stat.) ± 0.030 (syst.)] × 10−12s.
Published: 1991

25. A measurement of mixing in Z0 decays

Author: B. Adeva, O. Adriani, M. Aguilar-Benitez, H. Akbari, J. Alcaraz, A. Aloisio, G. Alverson, M.G. Alviggi, Q. An, H. Anderhub, A.L. Anderson, V.P. Andreev, T. Angelov, L. Antonov, D. Antreasyan, P. Arce, A. Arefiev, T. Azemoon, T. Aziz, P.V.K.S. Baba, P. Bagnaia, J.A. Bakken, L. Baksay, R.C. Ball, S. Banerjee, J. Bao, L. Barone, A. Bay, U. Becker, J. Behrens, S. Beingessner, Gy.L. Bencze, J. Berdugo, P. Berges, B. Bertucci, B.L. Betev, A. Biland, R. Bizzarri, J.J. Blaising, P. Blömeke, B. Blumenfeld, G.J. Bobbink, M. Bocciolini, W. Böhlen, A. Böhm, T. Böhringer, B. Borgia, D. Bourilkov, M. Bourquin, D. Boutigny, B. Bouwens, J.G. Branson, I.C. Brock, F. Bruyant, C. Buisson, A. Bujak, J.D. Burger, J.P. Burq, J. Busenitz, X.D. Cai, C. Camps, M. Capell, F. Carbonara, F. Carminati, A.M. Cartacci, M. Cerrada, F. Cesaroni, Y.H. Chang, U.K. Chaturvedi, M. Chemarin, A. Chen, C. Chen, G.M. Chen, H.F. Chen, H.S. Chen, M. Chen, M.C. Chen, M.L. Chen, G. Chiefari, C.Y. Chien, F. Chollet, C. Civinini, I. Clare, R. Clare, H.O. Cohn, G. Coignet, N. Colino, V. Commichau, G. Conforto, A. Contin, F. Criins, X.Y. Cui, T.S. Dai, R. D'Alessandro, R. de Asmundis, A. Degré, K. Deiters, E. Dénes, P. Denes, F. DeNotaristefani, M. Dhina, D. DiBitonto, M. Diemoz, F. Diez-Hedo, H.R. Dimitrov, C. Dionisi, F. Dittus, R. Dolin, E. Drago, T. Driever, D. Duchesneau, P. Duinker, I. Duran, H. El Mamouni, A. Engler, F.J. Eppling, F.C. Erné, P. Extermann, R. Fabbretti, G. Faber, S. Falciano, Q. Fan, S.J. Fan, M. Fabre, O. Fackler, J. Fay, J. Fehlmann, H. Fenker, T. Ferguson, G. Fernandez, F. Ferroni, H. Fesefeldt, J. Field, F. Filthaut, G. Finocchiaro, P.H. Fisher, G. Forconi, T. Foreman, K. Freudenreich, W. Friebel, M. Fukushima, M. Gailloud, Yu. Galaktionov, E. Gallo, S.N. Ganguli, P. Garcia-Abia, S.S. Gau, S. Gentile, M. Glaubman, S. Goldfarb, Z.F. Gong, E. Gonzalez, A. Gordeev, P. Göttlicher, D. Goujon, G. Gratta, C. Grinnell, M. Gruenewald, M. Guanziroli, A. Gurtu, H.R. Gustafson, L.J. Gutay, H. Haan, S. Hancke, K. Hangarter, M. Harris, A. Hasan, D. Hauschildt, C.F. He, T. Hebbeker, M. Hebert, G. Herten, U. Herten, A. Hervé, K. Hilgers, H. Hofer, H. Hoorani, L.S. Hsu, G. Hu, G.Q. Hu, B. Ille, M.M. Ilyas, V. Innocente, E. Isiksal, E. Jagel, B.N. Jin, L.W. Jones, R.A. Khan, Yu. Kamyshkov, Y. Karyotakis, M. Kaur, S. Khokhar, V. Khoze, M.-N. Kienzle, W. Kinnison, D. Kirkby, W. Kittel, A. Klimentov, A.C. König, O. Kornadt, V. Koutsenko, R.W. Kraemer, T. Kramer, V.R. Krastev, W. Krenz, J. Krizmanic, A. Kuhn, K.S. Kumar, V. Kumar, A. Kunin, A. van Laak, V. Lalieu, G. Landi, K. Lanius, D. Lanske, S. Lanzano, P. Lebrun, P. Lecomte, P. Lecoq, P. Le Coultre, D. Lee, I. Leedom, J.M. Le Goff, L. Leistam, R. Leiste, M. Lenti, J. Lettry, P.M. Levchenko, X. Leytens, C. Li, H.T. Li, J.F. Li, L. Li, P.J. Li, Q. Li, X.G. Li, J.Y. Liao, Z.Y. Lin, F.L. Linde, D. Linnhofer, R. Liu, Y. Liu, W. Lohmann, S. Lökös, E. Longo, Y.S. Lu, J.M. Lubbers, K. Lübelsmeyer, C. Luci, D. Luckey, L. Ludovici, X. Lue, L. Luminari, W.G. Ma, M. MacDermott, R. Magahiz, M. Maire, P.K. Malhotra, R. Malik, A. Malinin, C. Maña, D.N. Mao, Y.F. Mao, M. Maolinbay, P. Marchesini, A. Marchionni, J.P. Martin, L. Martinez, F. Marzano, G.G.G. Massaro, T. Matsuda, K. Mazumdar, P. McBride, T. McMahon, D. McNally, Th. Meinholz, M. Merk, L. Merola, M. Meschini, W.J. Metzger, Y. Mi, M. Micke, U. Micke, G.B. Mills, Y. Mir, G. Mirabelli, J. Mnich, M. Möller, B. Monteleoni, G. Morand, R. Morand, S. Morganti, V. Morgunov, R. Mount, E. Nagy, M. Napolitano, H. Newman, M.A. Niaz, L. Niessen, D. Pandoulas, F. Plasil, G. Passaleva, G. Paternoster, S. Patricelli, Y.J. Pei, D. Perret-Gallix, J. Perrier, A. Pevsner, M. Pieri, P.A. Piroué, V. Plyaskin, M. Pohl, V. Pojidaev, N. Produit, J.M. Qian, K.N. Qureshi, R. Raghavan, G. Rahal-Callot, P. Razis, K. Read, D. Ren, Z. Ren, S. Reucroft, O. Rind, C. Rippich, H.A. Rizvi, B.P. Roe, M. Röhner, S. Röhner, U. Roeser, Th. Rombach, L. Romero, J. Rose, S. Rosier-Lees, R. Rosmalen, Ph. Rosselet, J.A. Rubio, W. Ruckstuhl, H. Rykaczewski, M. Sachwitz, J. Salicio, J.M. Salicio, G. Sanders, G. Sartorelli, G. Sauvage, A. Savin, V. Schegelsky, D. Schmitz, P. Schmitz, M. Schneegans, M. Schöntag, H. Schopper, D.J. Schotanus, H.J. Schreiber, R. Schulte, S. Schulte, K. Schultze, J. Schütte, J. Schwenke, G. Schwering, C. Sciacca, I. Scott, R. Sehgal, P.G. Seiler, J.C. Sens, I. Sheer, V. Shevchenko, S. Shevchenko, X.R. Shi, K. Shmakov, V. Shoutko, E. Shumilov, N. Smirnov, A. Sopczak, C. Spartiotis, T. Spickermann, B. Spiess, P. Spillantini, R. Starosta, M. Steuer, D.P. Stickland, W. Stoeffl, B. Stöhr, H. Stone, K. Strauch, B.C. Stringfellow, K. Sudhakar, G. Sultanov, R.L. Sumner, L.Z. Sun, H. Suter, R.B. Sutton, J.D. Swain, A.A. Syed, A.A. Tang, E. Tarkovsky, L. Taylor, E. Thomas, C. Timmermans, Samuel C.C. Ting, S.M. Ting, Y.P. Tong, F. Tonisch, M. Tonutti, S.C. Tonwar, J. Tòth, G. Trowitzsch, K.L. Tung, J. Ulbricht, L. Urbàn, U. Uwer, E. Valente, R.T. Van de Walle, H. van der Graaf, I. Vetlitsky, G. Viertel, P. Vikas, U. Vikas, M. Vivargent, H. Vogel, H. Vogt, M. Vollmar, G. Von Dardel, I. Vorobiev, A.A. Vorobyov, An.A. Vorobyov, L. Vuilleumier, M. Wadhwa, W. Wallraff, C.R. Wang, G.H. Wang, J.H. Wang, Q.F. Wang, X.L. Wang, Y.F. Wang, Z. Wang, Z.M. Wang, J. Weber, R. Weill, T.J. Wenaus, J. Wenninger, M. White, R. Wilhelm, C. Willmott, F. Wittgenstein, D. Wright, R.J. Wu, S.L. Wu, S.X. Wu, Y.G. Wu, B. Wysłouch, Y.D. Xu, Z.Z. Xu, Z.L. Xue, D.S. Yan, B.Z. Yang, C.G. Yang, G. Yang, K.S. Yang, Q.Y. Yang, Z.Q. Yang, C.H. Ye, J.B. Ye, Q. Ye, S.C. Yeh, Z.W. Yin, J.M. You, M. Yzerman, C. Zaccardelli, L. Zehnder, M. Zeng, Y. Zeng, D. Zhang, D.H. Zhang, Z.P. Zhang, J.F. Zhou, R.Y. Zhu, H.L. Zhuang, and A. Zichichi
Subjects: Physics, Nuclear physics, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, Electron–positron annihilation, 0103 physical sciences, Hadron, 010306 general physics, 01 natural sciences, Spectral line, Mixing (physics)
Abstract: We have observed B0-B0 mixing in Z0→bb decays using hadronic events containing dileptons. The data sample corresponds to 118 200 hadron events at √s≈Mz. From a fit to the dilepton p and p⊥ spectra, we determine the mixing parameter to be χB=0.178-0.040 +0.049. © 1990.
Published: 1990

26. A measurement of the forward-backward asymmetry

Author: Qi An, S. Lökös, K.S. Yang, Th. Rombach, Simonetta Gentile, Kenneth Francis Read, G. Conforto, C. Dionisi, L. Li, Dimitri Bourilkov, V. Plyaskin, D. Duchesneau, Pablo Garcia-Abia, Alain Hervé, B. Spiess, Y. Mi, A. Bay, Carlo Civinini, Alexander Malinin, M. Guanziroli, M. Maolinbay, R. Leiste, J. P. Martin, L. J. Gutay, H. Anderhub, J.F. Li, Luciano Romero, Bolek Wyslouch, Qian Wang, M. Fabre, S. X. Wu, X.G. Li, D. DiBitonto, Ph. Rosselet, M. Steuer, P. Marchesini, Ming Zeng, D. Pandoulas, T. McMahon, Raffaello D'Alessandro, S. C. Tonwar, T. Spickermann, S. L. Wu, Frank Filthaut, E. Shumilov, U. Becker, G. Sauvage, H. Suter, Georgi Sultanov, Y.F. Wang, M. Aguilar-Benitez, I. Duran, G. Forconi, Herwig Schopper, J. Weber, V. Lalieu, C. Grinnell, M. Möller, R. A. Khan, U. Roeser, M. Röhner, M. Schöntag, R. Rosmalen, Valentin V. Khoze, L.S. Hsu, W. Böhlen, V. Shoutko, M. White, Leonardo Merola, L. Urbàn, Bernard Ille, M. N. Kienzle, Harvey B Newman, K. Hilgers, C. F. He, V. Koutsenko, C-Q. Li, Petr Levchenko, S. Röhner, Y. H. Chang, F. Wittgenstein, George Alverson, Yanwen Liu, Qiang Li, R. Bizzarri, S. Hancke, L. Ludovici, V. P. Andreev, H. F. Chen, T. Azemoon, E. Drago, M. Sachwitz, Y.F. Mao, R. T. Van de Walle, G.J. Bobbink, Yu. Kamyshkov, T. Kramer, Ian Brock, F. DeNotaristefani, A. Arefiev, L. Niessen, L. Leistam, Vineet Kumar, T. Driever, J.P. Burq, R. de Asmundis, B. Bouwens, F. J. Eppling, L. W. Jones, M. Chemarin, J. J. Blaising, D. S. Yan, Jozsef Toth, Gaihe Yang, J. Lettry, Claudio Luci, D.N. Mao, K. N. Qureshi, Marcos Cerrada, D. Hauschildt, V. Shevchenko, U. Herten, Egidio Longo, Aa Vorobyov, I. Scott, M. Tonutti, G. Herten, C. Spartiotis, Mw Gruenewald, B. Monteleoni, R. Magahiz, E. Jagel, A. Pevsner, M. Harris, Kajari Mazumdar, S. Khokhar, G. M. Chen, Barry Blumenfeld, S. M. Ting, R.J. Wu, A. Sopczak, W. Friebel, G. Faber, G. B. Mills, P. Berges, Elisabetta Gallo, O. Fackler, M. Gailloud, P.G. Seiler, Igor Vorobiev, C. Camps, J. D. Swain, P. McBride, K. Freudenreich, Yu. Galaktionov, M.L. Chen, A. Kuhn, R. Morand, H. Haan, C. G. Yang, Chenliang Wang, M. Maire, F. Diez-Hedo, L. Antonov, W. Kittel, Valery Schegelsky, Antonino Zichichi, J.M. Lubbers, Xd Cai, Ph Fisher, J. Alcaraz, E. Dénes, R. Sehgal, Peter Denes, G. Schwering, Z. L. Xue, Mariagrazia Alviggi, H. Rykaczewski, R. Dolin, M. Hebert, Panos A Razis, J.C. Sens, R. Raghavan, A. C. König, Y.P. Tong, M. J. Glaubman, J. A. Bakken, Marcella Diemoz, E. Nagy, Paolo Bagnaia, Y. Karyotakis, C. Maña, L. Z. Sun, Marco Meschini, M. M. Ilyas, W. Ruckstuhl, D. P. Stickland, S. Reucroft, Laurent Vuilleumier, J. Krizmanic, P. Blömeke, K. S. Kumar, E. Isiksal, H. Fenker, A. Marchionni, Cheng Chen, M. Fukushima, D. Kirkby, H. El Mamouni, Howard A. Stone, I. Vetlitsky, G. Von Dardel, T. Fergusson, T.S. Dai, A. Gordeev, M. Micke, M. Schneegans, D. M. Lee, X. L. Wang, B. Stöhr, R. Fabbretti, V.R. Krastev, C. Zaccardelli, M. Vivargent, A. Degré, B. P. Roe, A. Böhm, G. Landi, Christine Buisson, R. L. Summer, L. Baksay, W. W. Kinnison, Z. M. Wang, S. Beingessner, Jean Fay, E. Gonzalez, T. Böhringer, M. Dhina, Y. Mir, F. Tonisch, Q. Fan, G. Coignet, C. H. Ye, Sc Yeh, F. Marzano, D. Boutigny, R.C. Ball, J.M. Qian, E. Valente, Adrian Biland, R. Weill, F. Ferroni, G. H. Wang, Y. Zeng, Ren-Yuan Zhu, W. Krenz, A. Klimentov, G. Fernandez, J. M. Le Goff, J. M. Salicio, J. Mnich, G. Gratta, T. Foreman, Z. Y. Lin, U. Micke, Z.Q. Yang, P. Arce, P. Vikas, Luciano Barone, J. Wenninger, S. Lanzano, Bernardo Adeva, D. Linnhofer, G. S. Sanders, Z.F. Gong, Y.J. Pei, R. Mount, D. McNally, D. Goujon, C.Y. Chien, Lamberto Luminari, Wolfgang Lohmann, H. Vogt, K.D. Shmakov, S. J. Fan, J. A. Rubio, F. Plasil, A. Bujak, Oliver Kornadt, E. Thomas, J.H. Wang, F.C. Erné, Q.Y. Yang, G. Chiefari, V. Pojidaev, M. Pohl, B. Bertucci, P. Duinker, D. Zhang, Mingshui Chen, F. Cesaroni, W. Wallraff, A. Gurtu, Vincenzo Innocente, G. Viertel, Guofan Hu, Samuel C.C. Ting, S. Shevchenko, V. Commichau, H. J. Schreiber, J. Ulbricht, Zhongyukun Xu, P. K. Malhotra, J. Y. Liao, O. Rind, J. Fehlmann, J. Berdugo, Nicanor Colino, J. Bao, Nikita Smirnov, M. Lenti, Federico Carminati, Zm Wang, B. Borgia, H. A. Rizvi, A. Kunin, H. O. Cohn, V. Morgunov, H. R. Gustafson, M. Bocciolini, M. Bourquin, A. L. Anderson, Hans J. Vogel, S. Morganti, K. Sudhakar, H. van der Graaf, J. Schütte, Pierre Lecomte, J. G. Branson, A. Engler, A. Hasan, D. Ren, K. Strauch, X. Leytens, Steven Goldfarb, J. Schwenke, G. Sartorelli, A. van Laak, X. Y. Cui, An.A. Vorobyov, M. Capell, Ying Wu, J. F. Zhou, Hafeez R. Hoorani, R.B. Sutton, G. Passaleva, Y. D. Xu, Z. W. Yin, S. N. Ganguli, Charles Timmermans, U. Vikas, T. Matsuda, D. Perret-Gallix, H. S. Fesefeldt, D.H. Zhang, M. MacDermott, J. Behrens, P. J. Li, F. Bruyant, A. Contin, Alexander Savin, B. N. Jin, S. Patricelli, M. A. Niaz, P. Lebrun, Fridolin Dittus, O. Adriani, Lucas Taylor, Q. Ye, X.R. Shi, M. Yzerman, R. Malik, Zhen Zhang, P. Extermann, I. Clare, J. Busenitz, A.M. Cartacci, I. Leedom, B. Z. Yang, B. L. Betev, W. J. Metzger, H. Hofer, K. L. Tung, U. Uwer, H.R. Dimitrov, G. Mirabelli, A. Chen, S. Rosier-Lees, P. Le Coultre, P. Göttlicher, J. Salicio, G.G.G. Massaro, J. D. Burger, F. Carbonara, Wolfgang Stoeffl, G. Morand, G. Rahal-Callot, K. Lübelsmeyer, Piero Spillantini, X. Lue, U. K. Chaturvedi, L. Martinez, Y. S. Lu, M.C. Chen, K. Hangarter, Jérôme Rose, K. Schultze, F. L. Linde, R. Wilhelm, J. H. Field, E. Tarkovsky, G. Trowitzsch, R. Starosta, D. Lanske, Zhuoxiang Ren, M. Wadhwa, D. J. Schotanus, D. Luckey, Gy L. Bencze, Reinhard W. Schulte, L. Zehnder, J. M. You, J.B. Ye, N. Produit, S. Banerjee, Tariq Aziz, A. A. Syed, B.C. Stringfellow, F. Crijns, G. Finocchiaro, Marcel Merk, Crisostomo Sciacca, J. Perrier, François Chollet, Marco Pieri, C. Rippich, M. Vollmar, Wen-Gan Ma, Konrad Deiters, D. Wright, Alberto Aloisio, Th. Meinholz, X. W. Tang, I. Sheer, P. A. Piroué, T. Angelov, K. Lanius, G. Hu, Carlos Willmott, Speranza Falciano, H. T. Li, R. Liu, S. S. Gau, P.V.K.S. Baba, H. L. Zhuang, G. Paternoster, D.W. Schmitz, Robert Clare, Thomas Hebbeker, Paul Lecoq, R. W. Kraemer, M. Napolitano, H. S. Chen, T.J. Wenaus, Manjit Kaur, H. Akbari, and D. Antreasyan
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Muon, Electron–positron annihilation, media_common.quotation_subject, Hadron, Weinberg angle, Electron, Asymmetry, Spectral line, Nuclear physics, Mixing (physics), media_common
Abstract: We have measured the forward-backward asymmetry in Z 0 → b b decays using hadronic events containing muons and electrons. The data sample corresponds to 118 200 hadronic events at √s≈Mz. From a fit to the single and dilepton p and P⊥ spectra, we determine A b b =0.130 −0.042 +0.044 including the correction for B 0 − B 0 mixing.
Published: 1990

27. Determination of αs from jet multiplicities measured on the Z0 resonance

Author: L. Li, R.J. Wu, A. Sopczak, D. Duchesneau, J.M. Qian, G. Landi, W. Lange, Philip Kaaret, W. Ruckstuhl, D. P. Stickland, Y. Mir, J.F. Li, D. Pandoulas, T. McMahon, C. H. Ye, P. Vikas, A. Gordeev, H. Suter, Y.F. Wang, H. Anderhub, M. Schneegans, T. Spickermann, S. Kwan, Bernard Ille, Sc Yeh, M. Guanziroli, G. Fernandez, R. de Asmundis, D. Antreasyan, K. Sudhakar, M. J. Glaubman, R. Dolin, E. Dénes, H. El Mamouni, R. Sehgal, C. Zabounidis, P. Arce, R. Magahiz, D. Goujon, J. D. Swain, T.J. Wenaus, Sw. Banerjee, A. Leike, Manjit Kaur, P. McBride, R. Malik, Valentin V. Khoze, Vincenzo Innocente, Bz Yang, Jj Blaising, X. Leytens, Dimitri Bourilkov, L. Antonov, T. Kramer, G. Herten, Valery Schegelsky, Antonino Zichichi, J.M. Lubbers, Y. H. Chang, Ph Fisher, An.A. Vorobyov, George Alverson, B. Borgia, T. Matsuda, J. P. Martin, M. Bourquin, H. Rykaczewski, H. Akbari, Hafeez R. Hoorani, G. Faber, K. Strauch, Y. Karyotakis, W.G. Ma, S. X. Wu, Vineet Kumar, J. Ulbricht, E. Nagy, M. Vivargent, Christine Buisson, C. Goy, J. Krizmanic, E. Shumilov, A. Marchionni, J. M. Salicio, U. Micke, A. L. Anderson, A. Böhm, O. Adriani, A. van Laak, D. Linnhofer, J. Zoll, Z. M. Wang, R. Mount, L.S. Hsu, M. Schöntag, W. Böhlen, V. Shoutko, S. Rosier-Lees, I. Vorobiev, V.R. Krastev, C. Dionisi, E. Gonzalez, Pablo Garcia-Abia, Alain Hervé, M. G. Alviggi, Ying Wu, M. Fukushima, H. Haan, A. Kuhn, Zhuoxiang Ren, L. Urbàn, D. DiBitonto, M. Wadhwa, J. F. Zhou, A. Klimentov, J. A. Bakken, Lamberto Luminari, D. J. Schotanus, A. Bay, H. Nowak, Jean Fay, M. Dhina, S. Lanzano, Bernardo Adeva, F. Ferroni, V. Koutsenko, Y. Zeng, Jozsef Toth, Carlo Civinini, M. Maolinbay, J. Berdugo, M. Tonutti, X.R. Shi, J. M. You, J. Lettry, Claudio Luci, P. Le Coultre, X.G. Li, N. Produit, M. Aguilar-Benitez, Yu. Kamyshkov, J. Fehlmann, M. Steuer, G. Forconi, B. Spiess, I. Duran, I. Clare, J. Busenitz, Herwig Schopper, Elisabetta Gallo, K. Hangarter, I. Vetlitsky, M. White, D.N. Mao, Petr Levchenko, J.M. Thenard, A.M. Cartacci, B. Monteleoni, Egidio Longo, H.R. Dimitrov, Mw Gruenewald, R. Starosta, C. Souyri, S. Röhner, Chenliang Wang, F. Wittgenstein, J. Weber, P. Göttlicher, C-Q. Li, G. A. Yang, G. Sauvage, Pierre Lecomte, G. Sartorelli, M. Möller, L. Ludovici, P. Schmitz, W. Kittel, D. Luckey, Gy L. Bencze, M. Hebert, Panos A Razis, E. Drago, L. Niessen, Reinhard W. Schulte, R.C. Ball, J. D. Burger, H. Vogt, S. Reucroft, Sau Lan Wu, Z.Y. Lin, G. Paternoster, T. Driever, D.W. Schmitz, C. G. Yang, J. M. Le Goff, Charles Timmermans, D. Boutigny, V. Plyaskin, C. Camps, D. Perret-Gallix, R. Bizzarri, S. Hancke, Ian Brock, Adrian Biland, G. Rahal-Callot, K. Freudenreich, H. Fenker, P. Blömeke, M. Harris, J.G. Branson, S. Shevchenko, M. Fabre, Z.F. Gong, A. Malinin, V. Lalieu, F. DeNotaristefani, K. N. Qureshi, H.F. Chen, M. M. Ilyas, K. S. Kumar, Luciano Romero, Qian Wang, Harvey B Newman, K. Hilgers, G.B. Mills, K.D. Shmakov, S. J. Fan, B. L. Betev, M. Micke, Georgi Sultanov, J. A. Rubio, L. Leistam, R. A. Khan, Robert Clare, R. Fabbretti, Ph. Rosselet, S. Nowak, M. Sachwitz, C. F. He, Samuel C.C. Ting, D. Kaplan, K. Schultze, A. Heavey, E. Tarkovsky, Qiang Li, Steven Goldfarb, T. Riemann, Z.Q. Yang, P.G. Seiler, F. Diez-Hedo, V. P. Andreev, G.J. Bobbink, S. Beingessner, Peter Denes, A. Pevsner, G. Morand, A. Engler, D. Lanske, M. Chemarin, R.B. Sutton, D.H. Zhang, M. Capell, W. Lohmann, G. M. Chen, C. Spartiotis, M. MacDermott, Thomas Hebbeker, Paul Lecoq, R. W. Kraemer, M. Gailloud, Paolo Bagnaia, M. Napolitano, Barry Blumenfeld, J. Mnich, E. Jagel, Mingshui Chen, I. Sheer, Helmut Vogel, U. Herten, H. S. Fesefeldt, P. Berges, G. Mirabelli, E. Thomas, Speranza Falciano, J.H. Wang, P. K. Malhotra, H. A. Rizvi, R. Morand, Z. L. Xue, M. A. Niaz, R. Rosmalen, W. Wallraff, X. L. Wang, Guofan Hu, K. Lübelsmeyer, Piero Spillantini, Y. Mi, M. Maire, H. van der Graaf, P. Duinker, G. Chiefari, J.P. Burq, Howard A. Stone, T.S. Dai, Yanwen Liu, D. Ren, A. Arefiev, H. S. Chen, H.J. Schreiber, Q. Fan, D. Zhang, W. J. Metzger, P. Extermann, J. Bao, I. Leedom, H. Hofer, K. L. Tung, G.G.G. Massaro, Z. W. Yin, U. Vikas, A. Contin, Aa Vorobyov, A. Kunin, S. C. Tonwar, F. Carbonara, S. N. Ganguli, L. Martinez, J.C. Sens, A. Degré, F. L. Linde, R. Raghavan, Thomas Ferguson, A. C. König, Y.P. Tong, Laurent Vuilleumier, G. Schwering, Kajari Mazumdar, R. Leiste, E. Isiksal, L. Montanet, S. Khokhar, M. Vollmar, F. Marzano, G. Coignet, W. Krenz, G. H. Wang, Marco Meschini, A. A. Syed, J. Wenninger, V. Pojidaev, Nikita Smirnov, Xd Cai, Zm Wang, D. Kirkby, B. P. Roe, Qi An, D. Wright, B.C. Stringfellow, F. Crijns, F. Cesaroni, J. Y. Liao, S. Lökös, K.S. Yang, G. Finocchiaro, J. Schütte, A. Bujak, Oliver Kornadt, M. Pohl, T. Foreman, Y.J. Pei, Marcel Merk, Th. Rombach, J. Perrier, F. Bruyant, V. Morgunov, B. Bertucci, Nicanor Colino, F. Tonisch, Simonetta Gentile, Kenneth Francis Read, G. Conforto, A. Savin, T. Angelov, M.L. Chen, K. Lanius, M. Gettner, W. Friebel, G. Hu, C. Maña, Marcella Diemoz, X. Lue, U. K. Chaturvedi, G. Trowitzsch, Carlos Willmott, Y. S. Lu, G. Von Dardel, T. Böhringer, P. Marchesini, Jérôme Rose, R. Wilhelm, J. H. Field, Ming Zeng, H. T. Li, M. Röhner, Ren-Yuan Zhu, Luciano Barone, F.C. Erné, Q.Y. Yang, A. Gurtu, V. Commichau, R. Liu, M. Bocciolini, Y.F. Mao, R. T. Van de Walle, A. Hasan, J. Behrens, E. Valente, R. Weill, P. J. Li, D. McNally, G. Viertel, P. Lebrun, Fridolin Dittus, S. S. Gau, P.V.K.S. Baba, S. Morganti, J. Schwenke, X. Y. Cui, S.Y. Zhang, U. Uwer, A. Chen, J. Salicio, Z.Z. Xu, Yu. Galaktionov, J. Alcaraz, Tariq Aziz, Cheng Chen, B. Stöhr, C. Zaccardelli, Raffaello D'Alessandro, C. Grinnell, Leonardo Merola, W. Walk, T. Azemoon, Marcos Cerrada, Crisostomo Sciacca, Marco Pieri, C. Rippich, B. N. Jin, L. Zehnder, Zp Zhang, Konrad Deiters, Alberto Aloisio, A. Ricker, A. Grimes, W.D. Nowak, Th. Meinholz, X. W. Tang, P. A. Piroué, R. L. Summer, L. Baksay, V.G. Shevchenko, G. Gratta, Boleslaw Wyslouch, C.Y. Chien, L. J. Gutay, U. Becker, F. J. Eppling, L. W. Jones, D. S. Yan, S. M. Ting, Federico Carminati, S. Patricelli, Q. Ye, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), CMS, Institut de Physique des 2 Infinis de Lyon (IP2I Lyon), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), L3, and IHEF (IoP, FNWI)
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, 010308 nuclear & particles physics, Emerging technologies, media_common.quotation_subject, Field (Bourdieu), Skill, Context (language use), Space (commercial competition), Investment (macroeconomics), 01 natural sciences, Celling act, Microeconomics, Networking, Local, Information, Phenomenon, 0103 physical sciences, Mediation, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], 010306 general physics, Empowerment, Particle Physics - Experiment, media_common
Abstract: Whatever the field, major change implies as much as deep transformation of thinking i.e to put in network new skills in particular, those made available by the availability of new technologies. In this context, only one individual cannot join together all necessary skills. It becomes clear that the goal of space valorization cannot be considered without relational investment between the partners and their accumulated background. The local empowerment concerns a collective phenomenon of acquisition and development of skills rests on an learning way appropriate to the potential of the territory to form or promote. The local mediation sets for objective the creation of relations between pre-existent skills and their transfer between the actors, individuals or groups, private or public. But the capacity of the territory to solve these problems will depend closely on the richness of the network and co-operations which it shelters or it will suggest.
Published: 1990

28. The construction of the L3 experiment

Author: B. Adeva, M. Aguilar-Benitez, H. Akbari, J. Alcaraz, A. Aloisio, J. Alvarez-Taviel, G. Alverson, M.G. Alviggi, H. Anderhub, A.L. Anderson, A.M. Angelov, T.H. Angelov, G.H. Antchev, L. Antonov, D. Antreasyan, A. Arefiev, I.H. Atanasov, B. Auroy, R. Ayad, O.L. Ayranov, T. Azemoon, T. Aziz, U. Bachmann, P. Bähler, J.A. Bakken, L. Baksay, H. Baldinger, R.C. Ball, J. Ballansat, S. Banerjee, J. Bao, G. Barbier, L. Barone, G. Basti, A. Bay, F. Beauvais, U. Becker, R. Beissel, S. Bendig, P. Béné, J. Berdugo, P. Berges, M. Berthet, Y. Bertsch, B.L. Betev, A. Biland, A. Bischoff, M. Bischops, R. Bizzarri, J.J. Blaising, M. Blanc, P. Blömeke, B. Blumenfeld, G.J. Bobbink, M. Bocciolini, K.D. Boffin, W. Bohlen, A. Böhm, T. Böhringer, H. Bonnefon, C. Bopp, B. Borgia, K. Bosseler, J.F. Bottolier, M. Bourquin, D. Boutigny, P. Bowditch, J.G. Branson, D. Braun, I.C. Brock, F. Bruyant, M. Buchholz, B. Bücken, W. Bulgeroni, R. Burel, J.D. Burger, C. Burgos, J.P. Burq, L. Caiazzo, M. Caillat, B. Camberlin, D. Campana, C. Camps, V. Canale, M. Capell, F. Carbonara, F. Carminati, A.M. Cartacci, M. Cerrada, F. Cesaroni, Y.H. Chang, J.W. Chapman, M. Chemarin, A. Chen, C. Chen, H.F. Chen, H.S. Chen, M. Chen, M.L. Chen, S.R. Chendvankar, G. Chevenier, S. Chidzik, G. Chiefari, C.Y. Chien, F. Chollet, M. Chumakov, C. Civinini, I. Clare, R. Clare, G. Coignet, N. Colino, V. Commichau, G. Conforto, P. Cristofori, F. Crijns, X.Y. Cui, T.S. Dai, R. D'Alessandro, M. Daniel, X. De Bouard, B. Debye, G. Decreuse, A. Degré, K. Deiters, E. Dénes, P. Denes, F. DeNotaristefani, M. Deutschmann, M. Dhina, B. Didierjean, M. Diemoz, M. Dietrich, H.A. Dimitrov, C. Dionisi, F. Dittus, M. Dohmen, R. Dolin, J.F. Donahue, A. Donat, E. Drago, K.H. Dreger, T. Driever, G. Dromby, P. Duinker, I. Duran, M. Elkacimi, H. Elmamouni, A. Engler, F.J. Eppling, F.C. Erné, I. Erne, H. Esser, P. Extermann, R. Fabbretti, G. Faber, S. Falciano, T. Falk, S.J. Fan, M. Favre, J. Fay, S. Fehér, J. Fehlmann, M. Feldmann, H. Fenker, T. Ferguson, M. Fernandez, F. Ferroni, H. Fesefeldt, J. Field, J.M. Figarola, C.F. Figueroa, G.A. Filipov, B. Foligné, G. Forconi, T. Foreman, V. Franzke, W. Frei, K. Freudenreich, W. Friebel, M. Fukushima, G. Gaillard, M. Gailloud, Yu. Galaktionov, E. Gallo, S.N. Ganguli, D. Garelick, S.S. Gau, G. Gavrilov, E. Gennari, S. Gentile, M. Gettner, C. Girard, M. Glaubman, S. Goldfarb, Z.F. Gong, E. Gonzalez, A. Gordeev, Yu. Gorodkov, P. Göttlicher, C. Goy, M. Goyot, G. Gratta, A. Grimes, C. Grinnell, M. Gruenewald, M. Guanziroli, S. Guerra, C. Guillon, A. Gurtu, D. Güsewell, H.R. Gustafson, M. Haensli, M. Haan, C. Haller, T. Hamacher, H. Hammers, K. Hangarter, S. Hancke, M. Harris, D. Harting, F.G. Hartjes, C.F. He, A. Heavey, T. Hebbeker, M. Hebert, R. Heller, Ch. Helmrath, J. Herrmann, G. Herten, U. Herten, A. Hervé, H. Hesser, G. Hilgers, K. Hilgers, H. Hofer, M. Hofer, T. Hofer, F. Hoffmann, U. Horisberger, I. Horvath, L.S. Hsu, G.Q. Hu, B. Ille, M.M. Ilyas, G. Improta, V. Innocente, E. Isiksal, E. Jagel, B.N. Jin, L.W. Jones, M. Jongmanns, H. Jung, P. Kaaret, O. Kaelin, W. Kaestli, Yu. Kamyshkov, D. Kaplan, W. Karpinski, Y. Karyotakis, W. Kertzer, V. Khoze, G. Kirchhoff, W. Kittel, A. Klimentov, P.F. Klok, M. Kollek, M. Koller, A.C. König, O. Kornadt, V. Koutsenko, R.W. Kraemer, V.R. Krastev, A. Kratel, W. Krenz, A. Kuhn, A. Kunin, S. Kwan, J. Lacotte, M. LaMarra, G. Landi, W. Lange, K. Lanius, D. Lanske, S. Lanzano, J.M. Le Goff, J.C. Le Marec, D. Lea, M. Lebeau, P. Lebrun, P. Lecomte, J. Lecoq, P. Le Coultre, I. Leedom, A. Léger, F. Lehmann, L. Leistam, R. Leiste, E. Lejeune, B. Leoni, J. Lettry, X. Leytens, C. Li, H.T. Li, L. Li, P.J. Li, X.G. Li, J.Y. Liao, Z.Y. Lin, F.L. Linde, D. Linnhöfer, E. Loftin, W. Lohmann, S. Lökös, E. Longo, Y.S. Lu, J.M. Lubbers, K. Lübelsmeyer, C. Luci, D. Luckey, X. Lue, L. Luminari, G. Lunadei, F. Lürken, H. Ma, W.G. Ma, M. MacDermott, N. Madjar, R. Magahiz, M. Maire, P.K. Malhotra, A. Malinin, C. Mana, F. Manna, G. Manto, Y.F. Mao, M. Maolinbay, P. Marchesini, A. Marchionni, M. Markwalder, P. Marsden, J.P. Martin, L. Martinez, H.U. Martyn, F. Marzano, V. Marzullo, F. Masciocchi, G.G.G. Massaro, L. Massonnet, T. Matsuda, G. Maurelli, K. Mazumdar, P. McBride, G. Medici, H. Meier, Th. Meinholz, M. Merk, R. Mermod, L. Merola, M. Meschini, W.J. Metzger, M. Micke, U. Micke, G.B. Mills, J. Mnich, M. Moeller, A. Molinero, L. Montanet, B. Monteleoni, R. Montino, G. Morand, R. Morand, S. Morganti, V. Morgunov, R. Mount, M. Moynot, P. Mugnier, W. Nägeli, E. Nagy, M. Napolitano, S. Neboux, H. Newman, Ch. Neyer, K. Nguyen, L. Niessen, A. Nikitin, W.D. Nowak, M. Okle, P. Olmos, J. Onvlee, D. Osborne, J. Ossmann, D. Pandoulas, H. Paprotny, A. Parmentola, G. Passeggio, G. Paternoster, S. Patricelli, Y.J. Pei, Y. Peng, D. Perret-Gallix, J. Perrier, E. Perrin, G. Perrot, P. Petitpas, P. Petschner, A. Pevsner, J. Pier-Amory, M. Pieri, G. Pierschel, P.A. Piroué, V. Plyaskin, M. Pohl, V. Pojidaev, C.L.A. Pols, T. Ponomareff, J. Potyka, N. Produit, P. Prokofiev, F. Pruja, G. Pütz, J.M. Qian, R. Raghavan, P. Razis, K. Read, P. Reddick, K. Reissmann, D. Ren, S. Reucroft, D. Rey, M. Reynaud, X. Ricadonna, J-P. Richeux, C. Rippich, U. Rinsche, R. Rocco, S. Rodriguez, B.P. Roe, M. Röhner, S. Röhner, Th. Rombach, L. Romero, J. Rose, U. Röser, S. Rosier-Lees, J.A. Rubio, W. Ruckstuhl, H. Rykaczewski, P. Sahuc, J. Salicio, S. Saran, G. Sauvage, A. Savin, T. Schaad, B. Schafheitle, V. Schegelsky, A. Schetkovsky, F. Schild, R. Schillsott, P. Schmitt, D. Schmitz, P. Schmitz, M. Schneegans, M. Schneider, E. Schneevogt, M. Schöntag, D.J. Schotanus, H. Schuijlenburg, R. Schulte, A.Schultz Von Dratzig, K. Schultze, J. Schwenke, G. Schwering, C. Sciacca, P.G. Seiler, J.C. Sens, I. Sheer, V. Shevchenko, S. Shevchenko, X.R. Shi, K. Shmakov, V. Shoutko, E. Shumilov, R. Siedling, N. Smirnov, V. Souvorov, C. Souyri, I. Spangler, T. Spickermann, B. Spiess, P. Spillantini, R. Starosta, M. Steuer, D.P. Stickland, B. Stöhr, H. Stone, K. Strauch, K. Sudhakar, R.L. Sumner, H. Suter, R.B. Sutton, H. Szczesny, J. Tang, X.W. Tang, E. Tarkovsky, A. Tavenrath, V. Tchudakov, J.M. Thenard, E. Thomas, T. Thon, H. Thuerig, M. Thulen, C. Timmermans, Samuel C.C. Ting, S.M. Ting, F. Tonisch, Y.P. Tong, M. Tonutti, S.C. Tonwar, J. Tòth, W. Toth, G. Trowitzsch, K.L. Tung, J. Ulbricht, L. Urbàn, E. Valente, R.T. van de Walle, H. van der Graaf, V. Vanzanella, M. Vergain, I. Vetlitsky, H. Vey, G. Viertel, M. Vivargent, H. Vogel, S. Volkov, M. Vollmar, H.P. von Gunten, I. Vorobiev, A. Vorobyov, L. Vuilleumier, S. Waldmeier, W. Walk, W. Wallraff, C.Y. Wang, G.H. Wang, J.H. Wang, Q.F. Wang, X.L. Wang, Y.F. Wang, Z.M. Wang, D. Wassenberg, D. Wegmann, R. Weill, T.J. Wenaus, P. Wenger, J. Wenninger, M. White, R. Wilhelm, C. Willmott, H.P. Wirth, F. Wittgenstein, R.J. Wu, S.X. Wu, Y.G. Wu, B. Wyslouch, F.Y. Xi, Z.Z. Xu, Z.L. Xue, D.S. Yan, K.D. Yanev, B.Z. Yang, C.G. Yang, K.S. Yang, Q.Y. Yang, Z.Q. Yang, C.H. Ye, S.C. Yeh, Z.W. Yin, C. Zabounidis, L. Zehnder, Y. Zeng, D.H. Zhang, S.Y. Zhang, Z.P. Zhang, B. Zhou, J.F. Zhou, Z.P. Zhou, R.Y. Zhu, A. Zichichi, M. Zofka, J. Zoll, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), CMS, Institut de Physique des 2 Infinis de Lyon (IP2I Lyon), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), L3, B., Adeva, Aloisio, Alberto, Alviggi, Mariagrazia, Canale, Vincenzo, Chiefari, Giovanni, Merola, Leonardo, Napolitano, Marco, Paternoster, Giovanni, Patricelli, Sergio, and Sciacca, Crisostomo
Subjects: Physics, Nuclear and High Energy Physics, Wire chamber, Particle physics, Muon, Photon, Physics::Instrumentation and Detectors, 010308 nuclear & particles physics, Detector, Electron, 01 natural sciences, Particle detector, Nuclear physics, 0103 physical sciences, Large Electron–Positron Collider, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Measuring instrument, High Energy Physics::Experiment, 010306 general physics, Instrumentation
Abstract: The L3 experiment is one of the six large detectors designed for the new generation of electron-positron accelerators. It is the only detector that concentrates its efforts on limited goals of measuring electrons, muons and photons. By not attempting to identify hadrons, L3 has been able to provide an order of magnitude better resolution for electrons, muons and photons. Vertices and hadron jets are also studied. The construction of L3 has involved much state of the art technology in new principles of vertex detection and in new crystals for large scale electromagnetic shower detection and ultraprecise muon detection. This paper presents a summary of the construction of L3.
Published: 1990

29. A search for heavy charged and neutral leptons from Z0 decays

Author: Dimitri Bourilkov, R.J. Wu, M. MacDermott, Raffaello D'Alessandro, M.L. Chen, P.J. Li, C. Grinnell, M. A. Niaz, Leonardo Merola, A. Gordeev, C.H. Ye, R. Starosta, V. Commichau, G.Q. Hu, D. Pandoulas, T. Azemoon, P. Extermann, B. Ille, Marcella Diemoz, C. Buisson, A. Böhm, I. Leedom, H. Hofer, K. L. Tung, M. Möller, B. P. Roe, G. Von Dardel, A. Degré, T. Böhringer, G. Morand, J. Behrens, H. Anderhub, C.R. Wang, Q.Y. Yang, Z.W. Yin, U. Uwer, Fridolin Dittus, Z.Y. Lin, O. Kornadt, M. Fukushima, J.C. Sens, R. Raghavan, Harvey B Newman, J. Lettry, Claudio Luci, Elisabetta Gallo, C.F. He, Egidio Longo, S. Shevchenko, A. C. König, Laurent Vuilleumier, E. Isiksal, J.P. Martin, A. Chen, F. Ferroni, S. Beingessner, D. DiBitonto, A. Bujak, R. L. Sumner, F. Tonisch, G. H. Wang, W. Lohmann, W. Wallraff, D. Perret-Gallix, M. Guanziroli, J. Wenninger, J.P. Burq, Ph. Rosselet, M. Steuer, Zm Wang, G. Forconi, B. Stöhr, C. Zaccardelli, M. Pohl, M. M. Ilyas, R. Leiste, X.G. Li, Yu. Kamyshkov, D. Boutigny, P. K. Malhotra, H. A. Rizvi, H.J. Schreiber, L. J. Gutay, U. Roeser, R. Fabbretti, R. de Asmundis, J. Weber, L.S. Hsu, J. Salicio, Tariq Aziz, Marco Meschini, J. Fay, K. Schultze, Yu. Galaktionov, H. van der Graaf, M. Zeng, D.N. Mao, S. Reucroft, U. Becker, M. Schöntag, Mw Gruenewald, H. Haan, Ren-Yuan Zhu, Luciano Barone, R. Liu, R.C. Ball, Adrian Biland, V. Lalieu, D.S. Yan, H. Fenker, R. T. Van de Walle, G.B. Mills, K.S. Kumar, R. Weill, M. Gailloud, A.M. Cartacci, D. Kirkby, E. Thomas, H.T. Li, T. Spickermann, G. Herten, L. Urbàn, G. Landi, M. J. Glaubman, F.C. Erné, C. G. Yang, I. Scott, L. Li, G. Faber, H.F. Chen, J. Alcaraz, A. Gurtu, Aa Vorobyov, Y.J. Pei, M. Chemarin, J.Y. Liao, R.A. Khan, F. J. Eppling, L. W. Jones, A. Kunin, E. Valente, E. Jagel, Y. Zeng, P. Vikas, V. Shevchenko, T. Foreman, H.R. Dimitrov, M. Lenti, P. Arce, M. Bocciolini, K. Freudenreich, P.V.K.S. Baba, G. Sartorelli, H. L. Zhuang, D. Goujon, D. McNally, S. M. Ting, J.M. You, Mingshui Chen, A. L. Anderson, D. Duchesneau, M. Maire, E. Nagy, A. Hasan, M. Cerrada, Z. Ren, C. Chen, Vincenzo Innocente, N. Smirnov, F. Marzano, I. Vetlitsky, D. Lanske, B. Bertucci, W. J. Metzger, G. Viertel, J.M. Qian, C. Li, I. Vorobiev, Z.M. Wang, K. N. Qureshi, Y. D. Xu, P. Blömeke, P. Lebrun, X. Leytens, V. Shoutko, Crisostomo Sciacca, D. Zhang, Marco Pieri, A. Engler, Jd Burger, K. Sudhakar, C. Rippich, S. Morganti, G. Rahal-Callot, G.G.G. Massaro, Nicanor Colino, H. El Mamouni, J. G. Branson, M. Capell, J. A. Bakken, Samuel C.C. Ting, G. Fernandez, X. Lue, K.S. Yang, L. Romero, Federico Carminati, P. McBride, U. Micke, K. Lübelsmeyer, Z.Z. Xu, X. Y. Cui, J. Tòth, S. Röhner, Y. Mi, H. R. Gustafson, Y. S. Lu, S. N. Ganguli, J. Schwenke, Steven Goldfarb, F. Carbonara, M. Tonutti, J. M. Salicio, R.B. Sutton, G. Passaleva, D.H. Zhang, S. Lökös, M.C. Chen, U.K. Chaturvedi, Konrad Deiters, G. Sauvage, A. Malinin, Th. Rombach, R. Wilhelm, J. H. Field, W. Krenz, G. Schwering, An.A. Vorobyov, T. Matsuda, Alberto Aloisio, S. C. Tonwar, L. Martinez, L. Niessen, S. Patricelli, F. L. Linde, W. Böhlen, Simonetta Gentile, K. Hilgers, M. Schneegans, Jj Blaising, O. Adriani, Thomas Ferguson, T. Kramer, Kenneth Francis Read, R. Morand, Q. Ye, V. Schegelsky, G. Conforto, L. Z. Sun, V. Pojidaev, Th. Meinholz, Lucas Taylor, K. Hangarter, S.J. Fan, Sc Yeh, A. Klimentov, S.S. Gau, J.F. Li, T. Angelov, C. Maña, H. Vogt, X. W. Tang, K. Lanius, I. Sheer, G. Yang, Jian Wang, P. A. Piroué, J. Rose, C. Willmott, Mariagrazia Alviggi, D. Linnhofer, W. Friebel, M. Bourquin, L. Baksay, Speranza Falciano, G. Coignet, B. N. Jin, K. Strauch, P. Duinker, P.G. Seiler, F. Diez-Hedo, Peter Denes, V. Morgunov, Bolek Wyslouch, Qian Wang, X.L. Wang, J. Bao, Paolo Bagnaia, G. Gratta, R. Mount, V. Koutsenko, P. Schmitz, B. Borgia, L. Zehnder, J.B. Ye, C.Y. Chien, S. Banerjee, Zp Zhang, A. van Laak, W. Ruckstuhl, D. P. Stickland, H. Suter, Y.F. Wang, Y. Mir, S. Rosier-Lees, R. Malik, A. Pevsner, Barry Blumenfeld, Antonino Zichichi, J.M. Lubbers, U. Herten, Ph Fisher, H. Rykaczewski, Q. Z. Li, Y. Karyotakis, X.R. Shi, L. Antonov, I. Clare, J. Busenitz, S. Schulte, V. Kumar, J. Krizmanic, A. Marchionni, Q. An, M. Dhina, M. Micke, V. Plyaskin, T. Hebbeker, D. J. Schotanus, P. Levchenko, V.R. Krastev, E. Gonzalez, M. Röhner, N. Produit, J. Ulbricht, C. Spartiotis, S. Lanzano, Bernardo Adeva, A. A. Syed, Howard A. Stone, T.S. Dai, Q. Fan, B.C. Stringfellow, B. Spiess, V. Khoze, F. Crijns, R. Rosmalen, G. Finocchiaro, Marcel Merk, B.Z. Yang, J. Perrier, R. Bizzarri, Ian Brock, F. DeNotaristefani, L. Leistam, M. Kaur, G. Hu, B. Monteleoni, G. Chiefari, W. Kittel, P. Berges, R. Sehgal, W.G. Ma, M. Vivargent, C. Dionisi, Alain Hervé, A. Bay, A. Arefiev, Carlo Civinini, M. Maolinbay, M. Aguilar-Benitez, I. Duran, Herwig Schopper, M. White, F. Wittgenstein, L. Ludovici, E. Drago, Sau Lan Wu, T. Driever, R. Schulte, A. Kuhn, M. Harris, J.F. Zhou, S. Hancke, Y. H. Chang, George Alverson, Z.Q. Yang, G. Trowitzsch, Helmut Vogel, Kajari Mazumdar, S. Khokhar, E. Dénes, Xd Cai, F. Cesaroni, D. Ren, H. Fesefeldt, U. Vikas, A. Contin, J. Mnich, M. Hebert, Panos A Razis, J. Schütte, M. Sachwitz, F. Bruyant, R. Dolin, P. Garcia-Abia, J. M. Le Goff, K. Shmakov, Z.F. Gong, M. Wadhwa, J. A. Rubio, T. McMahon, E. Shumilov, R. Magahiz, J. D. Swain, A. Savin, D. Wright, C. Camps, P. Le Coultre, D. Schmitz, D. Antreasyan, G. Paternoster, G. Mirabelli, P. Marchesini, Robert Clare, D. Luckey, Gy L. Bencze, Y.G. Wu, Paul Lecoq, R. W. Kraemer, M. Napolitano, Piero Spillantini, H. S. Chen, S.X. Wu, Y.P. Tong, E. Tarkovsky, A. Sopczak, T.J. Wenaus, H. Akbari, Y.F. Mao, Lamberto Luminari, J. Berdugo, P. Göttlicher, J. Fehlmann, Z.L. Xue, Pierre Lecomte, M. Vollmar, Charles Timmermans, O. Rind, Hafeez R. Hoorani, M. Fabre, Georgi Sultanov, V. P. Andreev, G.J. Bobbink, B.L. Betev, G. M. Chen, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), CMS, Institut de Physique des 2 Infinis de Lyon (IP2I Lyon), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), L3, and IHEF (IoP, FNWI)
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Sterile neutrino, 010308 nuclear & particles physics, Astrophysics::High Energy Astrophysical Phenomena, Electron–positron annihilation, High Energy Physics::Phenomenology, Dirac (software), 01 natural sciences, Lower limit, Nuclear physics, MAJORANA, grey literature, Citation analysis, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, Neutrino, Nuclear Experiment, 010306 general physics, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries), Particle Physics - Experiment, Lepton
Abstract: We have searched for charged and neutral leptons. We exclude stable Dirac neutrinos below 42.8 GeV and stable Majorana neutrinos below 34.8 GeV. From a search for unstable neutrinos we exclude masses below 46.4 GeV (Dirac) and below 45.1 GeV (Majorana). We exclude all masses of sequential charged and neutral leptons, except if both masses are larger than 42.8 GeV (for stable Dirac neutrinos). All mass limits correspond to 95% CL.
Published: 1990

30. SEARCH FOR ANOMALOUS PRODUCTION OF SINGLE-PHOTON EVENTS IN E+E- ANNIHILATIONS AT THE Z RESONANCE

Author: Y. J. Pei, G. Schwering, W. Y. Chen, B. Zhou, Sc Yeh, D.N. Mao, Adrian Biland, L. Romero, Wt Lin, Roberto Battiston, A. Nippe, R. L. Summer, M. Möller, M. Bourquin, K. Strauch, S. J. Fan, D. Duchesneau, Pierluigi Paolucci, M. Gailloud, Gerjan Bobbink, N. Yunus, S. X. Wu, H. F. Chen, Elemer Nagy, A. Engler, X. L. Wang, R. Weill, Helmut Vogel, M. Lenti, S. S. Gau, T. J. Wenaus, A. L. Anderson, F. Marion, M. MacDermott, Ying Wu, J. F. Zhou, Igor Vorobiev, M. A. Niaz, G. Gratta, B. Borgia, P.V.K.S. Baba, R.B. Sutton, D. DiBitonto, M. Hebert, Ph. Rosselet, P. Extermann, X. R. Shi, Felicitas Pauss, J. Ulbricht, M. Vivargent, M. Sachwitz, Panos A Razis, J. C. Sens, I. Leedom, B. Z. Yang, H. Hofer, K. L. Tung, H. L. Zhuang, S. Beingessner, M. Bocciolini, Egidio Longo, S. Röhner, F. Wittgenstein, G. Chiefari, S. Shevchenko, F. Behner, M. M. Ilyas, H. S. Fesefeldt, M. Steuer, Kajari Mazumdar, G. Forconi, J. Weber, Y. G. Kim, A. M. Cartacci, R. Raghavan, A. C. König, S. Rosier-Lees, D. Linnhofer, P. Le Coultre, Yu. Galaktionov, Federico Carminati, J. Mnich, Andrea Baschirotto, S. Khokhar, T.R. McMahon, X. J. Yan, S. Müller, U. Herten, Y. H. Chang, Stéphane Jézéquel, A. Rubbia, R. Malik, Laurent Vuilleumier, L. Ludovici, M. Chmeissani, E. Drago, G. Terzi, P. Vikas, T. Foreman, J. Alcaraz, George Alverson, M. T. Choi, I. Clare, Xd Cai, Simonetta Gentile, Francesca Nessi-Tedaldi, J. Busenitz, J. Berdugo, K. Hangarter, G. M. Bilei, J. M. Lubbers, R. Barillère, G. Tsipolitis, H. Kuijten, J. D. Burger, Z.Q. Yang, J. Bao, J. S. Kapustinsky, A. Marin, T. Driever, N. Scholz, G. H. Wang, D. Antreasyan, P. Göttlicher, J. K. Kim, R. Starosta, Zhuoxiang Ren, Qi An, M. Wadhwa, W. Riemers, G. Rahal-Callot, Cheng Chen, D.W. Schmitz, G.G.G. Massaro, K. Schultze, D. Luckey, M. N. Kienzle-Focacci, Andrea Contin, Gy L. Bencze, R. Rosmalen, M. Guanziroli, D. J. Schotanus, Claudio Luci, Reinhard W. Schulte, J. Wenninger, L. Antonov, V. Pojidaev, H. Suter, J. M. You, D. Pandoulas, Steven Ahlen, N. Produit, V. R. Krastev, H. Janssen, W. J. Burger, K.S. Yang, K. Sudhakar, F. C. Erné, P. Kapinos, Maurizio Biasini, Marta Felcini, P. Duinker, G. A. Yang, C. Zaccardelli, W. W. Kinnison, M. Fukushima, H. R. Dimitrov, O. Fackler, D. Lanske, M. S. Sarakinos, L. Urbán, M. Caria, J. P. Martin, A. Klimentov, A. Koulbardis, S. Patricelli, F. Ferroni, J.H. Wang, Dong-Chul Son, T. Kramer, S. C. Tonwar, J. J. Blaising, A. A. Syed, Stefano Giagu, A. Krivshich, Y. Zeng, Frank Filthaut, J. B. Ye, M. Boseti, M. Rescigno, B.C. Stringfellow, Robert Clare, Francesco Becattini, M. Capell, E. Shumilov, Kenneth Francis Read, Q. Ye, A. Tsaregorodtsev, Zhongyukun Xu, P. K. Malhotra, H. A. Rizvi, A. Kunin, Hafeez R Hoorani, A. Nadtochy, Thomas Hebbeker, Paul Lecoq, R. W. Kraemer, L. Z. Sun, S. Schulte, Thomas Ferguson, R. Leiste, V. Shoutko, M. Napolitano, V. Koutsenko, R.J. Wu, D. P. Stickland, W. Friebel, K. N. Qureshi, S. Goldfarb, T. Spickermann, B. Monteleoni, M. Yzerman, Y. Mir, C. H. Ye, Mariagrazia Alviggi, Gerard Fernandez, M. Tonutti, Raffaello D'Alessandro, C. Grinnell, Leonardo Merola, S. N. Ganguli, E. Gonzalez, J. M. Le Goff, D. H. Wright, G. S. Sanders, P. G. Seiler, J. A. Rubio, F. Sticozzi, F. Cesaroni, C. Spartiotis, D. Hauschildt, K. Deiters, W. Kittel, D. Z. Shen, M.L. Chen, Jozsef Toth, J. Lettry, Elisabetta Gallo, F. Plasil, Mingshui Chen, B. L. Betev, F. Crijns, Jun Guo, B. Lindemann, G. Finocchiaro, Marcel Merk, A. Gougas, I. Vetlitsky, J. Perrier, Dimitri Bourilkov, E. Dénes, R. Sehgal, S. Lanzano, T. Azemoon, J. Y. Liao, C-Q. Li, Marco Meschini, R. Morand, Z. L. Xue, D. Kirkby, Christopher George Tully, M. Pauluzzi, H. El Mamouni, J. A. Bakken, Roberto Castello, T. Angelov, M. Sassowsky, Jianming Qian, Chenliang Wang, G. Hu, W. J. Metzger, N. E. Moulai, Wolfgang Lohmann, E. Fiandrini, T. Paul, Howard A. Stone, Emilio Leonardi, V. K. Gupta, Marcos Cerrada, E. Soderstrom, H. S. Chen, L. Servoli, G. Landi, M. L. Brooks, Marcella Diemoz, R. Bock, Y. Mi, B. P. Roe, H. Vogt, B. Bertucci, P. Schmitz, O. Rind, S. Reucroft, D. Ren, S. C. Kim, R. Fabbretti, F. L. Linde, Yuehong Xie, Nicanor Colino, Christine Buisson, Y. F. Wang, Bernard Ille, L. Baksay, R. Bizzarri, J. Shukla, Gianpaolo Carlino, S. Easo, S. Pensotti, Valery Schegelsky, Antonino Zichichi, U. Vikas, K. Freudenreich, Ph Fisher, H. Rykaczewski, S. Shotkin, M. Fabre, V. Plyaskin, M. Schneegans, F. DeNotaristefani, Simone Paoletti, Carlos Willmott, G. Sauvage, D. M. Lee, Z. M. Wang, J. D. Swain, Speranza Falciano, P. Arce, D. Goujon, J. M. Ma, A. Bujak, Giovanni Organtini, Oliver Kornadt, M. Pohl, Y. Karyotakis, J. M. Salicio, Luca Lista, D. Fernandez, Pablo Garcia-Abia, A. Kasser, Guofan Hu, Georgi Sultanov, T. S. Dai, R. A. Khan, M. T. Dova, Ren-Yuan Zhu, Luciano Barone, Alain Hervé, P. McBride, Harvey B Newman, A. Bay, R. Mount, Manjit Kaur, C. Dionisi, C. Maña, H. T. Li, I. C. Brock, H. O. Cohn, Yanwen Liu, S. Chung, T. E. Coan, J. G. Branson, K. Hilgers, P. Berges, Vincenzo Innocente, Carlo Civinini, E. Valente, V. P. Andreev, Attilio Santocchia, Jean Fay, M. Dhina, D. Boutigny, Q.Y. Yang, M. Maolinbay, G. Raven, A. Gurtu, Els Koffeman, Daqiang Zhang, X.G. Li, Davide Piccolo, Z. W. Yin, M. Chemarin, Sabine Riemann, X. T. Cui, G. M. Chen, Z. F. Gong, A. Degré, M. Aguilar-Benitez, D. McNally, H. J. Schreiber, Peter Denes, Herwig Schopper, M. Rattaggi, M. White, Z. Y. Lin, Paolo Bagnaia, Giovanni Ambrosi, E. Brambilla, X. Leytens, G. Viertel, Bolek Wyslouch, A. Sopczak, A. Hasan, S. Morganti, J. Schwenke, X. Y. Cui, Chenjie Gu, C. F. He, L. Martinez-Laso, Lamberto Luminari, Jiunn-Wei Chen, A. Atamanchuk, P. Marchesini, H. Anderhub, Y. D. Xu, Ming Zeng, M. Röhner, A. Pevsner, Y.F. Mao, R. T. Van de Walle, I. Scott, U. K. Chaturvedi, Y. S. Lu, A. Malinin, Z.P. Zhang, Jérôme Rose, J. H. Field, C. Y. Chien, P. Zemp, R. de Asmundis, R. C. Ball, Pierre Lecomte, J. Behrens, P. J. Li, P. Lebrun, G. Sartorelli, BT Bouwens, U. Uwer, Werner Lustermann, Charles Timmermans, A. Chen, J. Salicio, A. C. Weber, G. Mirabelli, K. Lübelsmeyer, Piero Spillantini, D. Perret-Gallix, A. Arefiev, K. Riles, F. Marzano, G. Coignet, W. Krenz, Samuel C.C. Ting, G. Passaleva, D. Gele, L. J. Gutay, U. Becker, I. Duran, F. J. Eppling, L. W. Jones, D. S. Yan, S. M. Ting, Tariq Aziz, Crisostomo Sciacca, Marco Pieri, Wen-Gan Ma, Alberto Aloisio, A. Ricker, X. W. Tang, I. Sheer, A. Böhn, P. A. Piroué, B. C.C. van der Zwaan, C. Neyer, P. G. Rancoita, B. N. Jin, H. Nowak, W. Wallraff, S. Banerjee, Yu. Kamyshkov, Mw Gruenewald, G. B. Mills, C. G. Yang, K. S. Kumar, Stefan Kirsch, F. J. Rodriguez, H. R. Gustafson, An.A. Vorobyov, T. Matsuda, O. Adriani, Lucas Taylor, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), CMS, Institut de Physique des 2 Infinis de Lyon (IP2I Lyon), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), L3, IHEF (IoP, FNWI), O., Adriani, M., Aguilarbenitez, S., Ahlen, J., Alcaraz, Aloisio, Alberto, G., Alverson, Alviggi, Mariagrazia, G., Ambrosi, Q., An, H., Anderhub, A. 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Subjects: COLLISIONS, Nuclear and High Energy Physics, Particle physics, Photon, COMPOSITE-Z, Electron–positron annihilation, 01 natural sciences, Resonance (particle physics), Nuclear physics, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], 010306 general physics, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries), Physics, Luminosity (scattering theory), Annihilation, 010308 nuclear & particles physics, Supergravity, Mathematics::History and Overview, COUPLINGS, NEUTRINOS, Gravitino, Neutrino, Z-BOSON, DECAY, Particle Physics - Experiment
Abstract: Using a sample of e+e− annihilation events collected at the Z resonance corresponding to an integrated luminosity of 11.2 pb−1, we have searched for γX final states where X represents stable, weakly interacting particles and the energy of the photon is greater than 1 2 E beam . No events were found. The results have been interpreted within a composite Z model and a supergravity model with a light gravitino.
Published: 1992

31. Measurement of the Lifetime of B-hadrons and A Determination of [vcb]

Author: T. Spickermann, P. Marchesini, Bernard Ille, R. Magahiz, J. D. Swain, T. Angelov, V. Plyaskin, P. McBride, K. Lanius, H.R. Dimitrov, Jianming Qian, Ming Zeng, G. Hu, L. S. Hsu, M. Röhner, J. D. Burger, G. Rahal-Callot, M. T. Dova, Giovanni Ambrosi, A. M. Cartacci, K. Schultze, E. Tarkovsky, D. Lanske, Sc Yeh, G. Fernandez, L. Romero, R. Raghavan, Carlos Willmott, H. O. Cohn, Speranza Falciano, M. Caria, Y. F. Wang, A. C. König, G. Gratta, Bolek Wyslouch, Qian Wang, Y.F. Mao, M. Bourquin, Samuel C.C. Ting, Qiang Li, M. Sachwitz, A. C. Weber, G. Mirabelli, K. Strauch, R. T. Van de Walle, K. Lübelsmeyer, Piero Spillantini, Laurent Vuilleumier, K. S. Kumar, C. F. He, H. T. Li, D. Antreasyan, Egidio Longo, J.C. Sens, Lamberto Luminari, V. Lalieu, Qi An, H. Janssen, R. C. Ball, Pierre Lecomte, G. Sartorelli, M. Gruenewald, A. Pevsner, Charles Timmermans, L. J. Gutay, M. M. Ilyas, K.S. Yang, I. Scott, U. Becker, V. Koutsenko, P. Duinker, M. Bocciolini, Barry Blumenfeld, I. Duran, R. L. Sumner, G. H. Wang, U. Herten, L. Z. Sun, Steven Goldfarb, Simonetta Gentile, Roberto Battiston, R. Bizzarri, G. Passaleva, F. J. Eppling, L. W. Jones, D. S. Yan, R. Barillère, S. M. Ting, J.P. Burq, Valery Schegelsky, Antonino Zichichi, Petr Levchenko, S. Röhner, Y. J. Pei, Gianpaolo Carlino, F. DeNotaristefani, Yu. Galaktionov, Ph Fisher, E. Valente, Kenneth Francis Read, Adrian Biland, U. K. Chaturvedi, G. Conforto, Y. S. Lu, J. Wenninger, S. Schulte, K. Schmiemann, J. Alcaraz, H. Rykaczewski, Y. Karyotakis, F. Ferroni, W. Y. Chen, W. Stoeff, F. Wittgenstein, B. Borgia, Y. Zeng, D. McNally, D. Hauschildt, L. Ludovici, M. Chmeissani, S. S. Gau, E. Dénes, R. Weill, Tariq Aziz, V. Pojidaev, M. N. Kienzle-Focacci, R. Rosmalen, L. Leistam, D. P. Stickland, A. Kasser, Guofan Hu, D. Gele, A. Malinin, J. Ulbricht, K.D. Shmakov, S. J. Fan, Attilio Santocchia, Jean Fay, M. Dhina, G. Schwering, G. Herten, E. Drago, Nikita Smirnov, Y. Mi, L. Niessen, D.N. Mao, T. Driever, D. Boutigny, X. Leytens, G. Viertel, M. Lenti, Zm Wang, Jérôme Rose, Y. Mir, C. H. Ye, D. Lee, J. H. Field, C. Y. Chien, W. Friebel, A. L. Anderson, J. G. Branson, B. Z. Yang, Hans J. Vogel, S. Morganti, Cheng Chen, R. Liu, D. Linnhofer, M. Gailloud, Dimitri Bourilkov, J. Schwenke, P. Vikas, J.H. Wang, P. K. Malhotra, Federico Carminati, M. Pauluzzi, T. J. Wenaus, X. Y. Cui, P. Berges, O. Fackler, L. Urbán, G. M. Bilei, N. E. Moulai, Z. W. Yin, Ren-Yuan Zhu, C. Zaccardelli, H. A. Rizvi, I. Clare, J. Busenitz, P. Göttlicher, D. Z. Shen, C. Li, J. M. Salicio, Luciano Barone, Ying Wu, J. F. Zhou, H. R. Gustafson, J. A. Bakken, A. Arefiev, A. Engler, W. Ruckstuhl, S. C. Tonwar, P. Schmitz, S. Patricelli, Alexei Klimentov, S. N. Ganguli, Crisostomo Sciacca, A. Chen, R. Fabbretti, R. Sehgal, S. L. Wu, E. Fiandrini, L. Martinez-Laso, M. S. Sarakinos, L. Antonov, W. J. Metzger, Frank Filthaut, Thomas Ferguson, Q. Ye, J. B. Ye, An.A. Vorobyov, T. Matsuda, Q.Y. Yang, R. Mount, Aa Vorobyov, M. MacDermott, G. Sauvage, A. Gurtu, K. Freudenreich, P.V.K.S. Baba, H. L. Zhuang, M.L. Chen, H. S. Fesefeldt, Marco Pieri, C. Rippich, R. Leiste, Z. Y. Lin, K. Sudhakar, O. Adriani, V. Commichau, H. J. Schreiber, C. Neyer, M. A. Niaz, E. Brambilla, Lucas Taylor, M. Capell, Yanwen Liu, J. Krizmanic, A. Marchionni, Marco Meschini, C. Grinnell, Harvey B Newman, K. Hilgers, A. Hasan, Marcella Diemoz, Yuehong Xie, M. Vivargent, Christine Buisson, B. N. Jin, H. Nowak, V.R. Krastev, B. Monteleoni, F. Sticozzi, Leonardo Merola, P. Extermann, Y. D. Xu, Z. F. Gong, Yu. Kamyshkov, Z.Z. Xu, I. Leedom, J. Behrens, H. Hofer, P. J. Li, K. L. Tung, C. Spartiotis, T. Kramer, G. Von Dardel, J. J. Blaising, Sabine Riemann, A. Degré, E. Gonzalez, Z. M. Wang, F. Marzano, G. Coignet, C. Maña, I. C. Brock, W. Krenz, K. Deiters, Christopher George Tully, T. Azemoon, P. Lebrun, P. Blömeke, G. B. Mills, W. Kittel, BT Bouwens, H. Haan, K. N. Qureshi, C. Dionisi, W.W. Kinnison, Pablo Garcia-Abia, S. Lanzano, Bernardo Adeva, L. 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Shi, Felicitas Pauss, J. M. Lubbers, S. Rosier-Lees, P. Le Coultre, C. R. Wang, R. Starosta, D. Luckey, Zhuoxiang Ren, Gy L. Bencze, Reinhard W. Schulte, F. C. Erné, M. Wadhwa, D. J. Schotanus, J. M. You, M. Fabre, N. Produit, Georgi Sultanov, Fl Linde, T. S. Dai, G. A. Yang, R. A. Khan, A. A. Syed, V. P. Andreev, F. Cesaroni, G.J. Bobbink, M. Chemarin, B.C. Stringfellow, M. Yzerman, F. Crijns, J. Y. Liao, G. M. Chen, R.J. Wu, Jun Guo, B. Lindemann, Emilio Leonardi, J. Schütte, G. Finocchiaro, R. Bock, Marcel Merk, O. Rind, Hafeez R. Hoorani, J. Perrier, D. Kirkby, L. Baksay, F. Bruyant, A. Böhm, Kajari Mazumdar, S. Khokhar, X. J. Yan, S. Müller, W. G. Ma, Xd Cai, M. Fukushima, D. Wright, A. Kunin, G. Landi, H. Anderhub, J. M. Le Goff, G. S. Sanders, P. G. Seiler, J. A. Rubio, Sw. Banerjee, P. Zemp, R. de Asmundis, Manjit Kaur, M. J. Glaubman, H. Akbari, H. El Mamouni, P. Arce, D. Goujon, Daqiang Zhang, Vincenzo Innocente, A. Sopczak, R. D'Allessandro, D.W. Schmitz, G.G.G. Massaro, Robert Clare, Igor Vorobiev, M. Hebert, Thomas Hebbeker, Panos A Razis, X.L. Wang, Paul Lecoq, R. W. Kraemer, M. Napolitano, A. Gordeev, Stéphane Jézéquel, E. Soderstrom, H. S. Chen, J. Berdugo, L. Servoli, Z.Q. Yang, F. Plasil, Mingshui Chen, D. Ren, U. Vikas, A. Contin, Alexander Savin, M. Guanziroli, J. P. Martin, E. Shumilov, V. Shoutko, M. Tonutti, D. Pandoulas, T. McMahon, B., Adeva, O., Adriani, M., Aguilarbenitez, H., Akbari, J., Alcaraz, Aloisio, Alberto, G., Alverson, Alviggi, Mariagrazia, G., Ambrosi, Q., An, H., Anderhub, A. L., Anderson, V. P., Andreev, T., Angelov, L., Antonov, D., Antreasyan, P., Arce, A., Arefiev, T., Azemoon, T., Aziz, P. V., K., P., Bagnaia, J. A., Bakken, L., Baksay, R. C., Ball, S., Banerjee, J., Bao, R., Barillere, L., Barone, R., Battiston, A., Bay, U., Becker, F., Behner, J., Behren, S., Beingessner, G. L., Bencze, J., Berdugo, P., Berge, B., Bertucci, B. L., Betev, A., Biland, G. M., Bilei, R., Bizzarri, J. 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N., Jin, L. W., Jone, A., Kasser, R. A., Khan, Y., Kamyshkov, Y., Karyotaki, M., Kaur, S., Khokhar, V., Khoze, M. N., Kienzlefocacci, W., Kinnison, D., Kirkby, W., Kittel, A., Klimentov, A. C., Konig, O., Kornadt, V., Koutsenko, R. W., Kraemer, T., Kramer, V. R., Krastev, W., Krenz, J., Krizmanic, K. S., Kumar, V., Kumar, A., Kunin, V., Lalieu, G., Landi, K., Laniu, D., Lanske, S., Lanzano, P., Lebrun, P., Lecomte, P., Lecoq, P., Lecoultre, D., Lee, I., Leedom, J. M., Legoff, L., Leistam, R., Leiste, M., Lenti, E., Leonardi, J., Lettry, P. M., Levchenko, X., Leyten, C., Li, H. T., Li, J. F., Li, L., Li, P. J., Li, Q., Li, X. G., Li, J. Y., Liao, Z. Y., Lin, F. L., Linde, B., Lindemann, D., Linnhofer, R., Liu, Y., Liu, W., Lohmann, E., Longo, Y. S., Lu, J. M., Lubber, K., Lubelsmeyer, C., Luci, D., Luckey, L., Ludovici, L., Luminari, W. G., Ma, M., Macdermott, R., Magahiz, P. K., Malhotra, R., Malik, A., Malinin, C., Mana, D. N., Mao, Y. 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P., Zhang, J. F., Zhou, R. Y., Zhu, H. L., Zhuang, A., Zichichi, and IHEF (IoP, FNWI)
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, E+E ANNIHILATION, 010308 nuclear & particles physics, Cabibbo–Kobayashi–Maskawa matrix, Branching fraction, Electron–positron annihilation, Hadron, AVERAGE LIFETIME, 01 natural sciences, DECAYS, Nuclear physics, 0103 physical sciences, BOTTOM HADRONS, UPDATE, QUARKS, Impact parameter, FRAGMENTATION, 010306 general physics, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries), Particle Physics - Experiment, Lepton
Abstract: From a fit to the impact parameter distribution of lepton tracks from semileptonic b decay, the lifetime of B-hadrons produced in e + e − collisions at the Z 0 is measured to be 1.32±0.08 (stat.)±0.09(syst.) ps. Combined with an earlier measurement of the branching ratio Br(B→l ν X), the CKM matrix element | V cb | is determined to be 0.046±0.002 (exp.) −0.003 +0.004 (theory).
Published: 1991

32. Search for lepton flavour violation in Z$^0$ decays

Author: J. Y. Liao, M. Möller, Emilio Leonardi, J. Schütte, H. F. Chen, Y. Mi, C. Dionisi, R. Bock, H. R. Gustafson, Pablo Garcia-Abia, Ren-Yuan Zhu, Alain Hervé, M. Fabre, J. M. Salicio, An.A. Vorobyov, Luciano Barone, E. Valente, A. Bay, L. Baksay, S. X. Wu, F. Bruyant, G. Chiefari, D. Duchesneau, T. Angelov, T. Matsuda, S. C. Tonwar, Sc Yeh, R. Mount, Georgi Sultanov, S. Shevchenko, Carlo Civinini, M. Maolinbay, D. McNally, J.F. Li, G. Raven, T. S. Dai, Q.Y. Yang, R. A. Khan, K. Lanius, Jianming Qian, G. Hu, F. Behner, R.B. Sutton, D. DiBitonto, G. Fernandez, L. Romero, H. Suter, Ph. Rosselet, O. Adriani, Frank Filthaut, X.G. Li, Lucas Taylor, Thomas Ferguson, Dimitri Bourilkov, M. Aguilar-Benitez, Herwig Schopper, E. Dénes, V. Commichau, H. J. Schreiber, Valentin V. Khoze, M. Steuer, G. Forconi, J. Weber, M. Bourquin, X. Leytens, G. Viertel, C-Q. Li, V. P. Andreev, E. Brambilla, C. Neyer, G.J. Bobbink, R. Bizzarri, A. Hasan, F. DeNotaristefani, D. Pandoulas, T. McMahon, L. Leistam, N. E. Moulai, M. Chemarin, P. Berges, M. White, Carlos Willmott, R. Leiste, L. Antonov, Marta Felcini, D. Perret-Gallix, K. Strauch, M. Fukushima, A. A. Syed, Speranza Falciano, M. J. Glaubman, Y. D. Xu, Z. F. Gong, Francesco Becattini, M. Capell, J. Krizmanic, Hans J. Vogel, S. Morganti, G. M. Chen, Y. F. Wang, H. T. Li, R.J. Wu, M. Sachwitz, V.R. Krastev, E. Gonzalez, B. Monteleoni, F. Sticozzi, B. N. Jin, B.C. Stringfellow, R. Barillère, G. Sauvage, H. Nowak, M. Yzerman, F. Crijns, Petr Levchenko, S. Röhner, S. Lanzano, Bernardo Adeva, H. El Mamouni, J. Behrens, T. Spickermann, P. J. Li, P. Schmitz, J. Schwenke, X. Y. Cui, E. Fiandrini, L. Martinez-Laso, C. Spartiotis, F. Wittgenstein, P. Lebrun, Jun Guo, B. Lindemann, Wolfgang Stoeffl, L. Ludovici, M. Chmeissani, R. Liu, M. Bocciolini, P. Arce, A. Arefiev, K. Freudenreich, S. S. Gau, T. J. Wenaus, G. Finocchiaro, BT Bouwens, Giovanni Ambrosi, E. Drago, L. Niessen, G. Schwering, H.R. Dimitrov, R. Morand, Z. L. Xue, J. M. Le Goff, G. S. Sanders, Howard A. Stone, Harvey B Newman, G. Herten, Marcel Merk, Aa Vorobyov, Yu. Kamyshkov, J. Perrier, W. Wallraff, T. Driever, D. Goujon, P.V.K.S. Baba, D. Linnhofer, H. L. Zhuang, Bernard Ille, K. Hilgers, Q. Fan, M. S. Sarakinos, J. D. Burger, G. Rahal-Callot, P. G. Seiler, Mw Gruenewald, J. A. Rubio, P. Vikas, Qiang Li, R. Malik, W. Friebel, O. Rind, G. B. Mills, O. Fackler, Vincenzo Innocente, M. N. Kienzle-Focacci, R. Rosmalen, U. Uwer, A. Chen, J. Salicio, M. Vivargent, Federico Carminati, J. M. Lubbers, M.L. Chen, S. Banerjee, M. Caria, L. Urbán, Roberto Battiston, Hafeez R. Hoorani, F. Marzano, K. Schultze, E. Tarkovsky, C. G. Yang, A. Gordeev, R. Magahiz, C. Maña, D. Lanske, Y. H. Chang, A. Sopczak, G. Coignet, W. Krenz, J. D. Swain, U. Herten, Jiunn-Wei Chen, Marcella Diemoz, Wen-Gan Ma, Peter Denes, I. C. Brock, Raffaello D'Alessandro, K. S. Kumar, B. Borgia, Igor Vorobiev, J. Ulbricht, C. Grinnell, D. Z. Shen, M. Hebert, R. Sehgal, Zhuoxiang Ren, J. A. Bakken, Paolo Bagnaia, Bolek Wyslouch, Qian Wang, M. Pauluzzi, M. Wadhwa, D. J. Schotanus, U. K. Chaturvedi, S. Schulte, Y. S. Lu, Samuel C.C. Ting, J. M. You, Steven Goldfarb, Alberto Aloisio, G. Von Dardel, A. Degré, W. Kittel, D. Antreasyan, K. Schmiemann, A. Savin, K. Sudhakar, Marco Meschini, Qi An, A. Ricker, N. Produit, L. Z. Sun, P. McBride, G. M. Bilei, G. A. Yang, V. Lalieu, D. P. Stickland, Kajari Mazumdar, A. Malinin, Jérôme Rose, G. Passaleva, J. H. Field, H. Anderhub, C. Y. Chien, P. Marchesini, Leonardo Merola, Ming Zeng, C. F. He, Panos A Razis, Th. Meinholz, I. Clare, J. Busenitz, S. Khokhar, D. Gele, X. J. Yan, S. Müller, Y. Mir, C. H. Ye, V. Plyaskin, X. L. Wang, E. Nagy, Yuehong Xie, Christopher George Tully, X. W. Tang, M. Röhner, V. Koutsenko, Christine Buisson, H. Janssen, K.S. Yang, L.S. Hsu, P. Göttlicher, I. Sheer, P. A. Piroué, P. Duinker, Xd Cai, Z. M. Wang, Wolfgang Lohmann, H. Vogt, T. Azemoon, M. Schneegans, D. M. Lee, George Alverson, Tariq Aziz, A. Pevsner, B. Bertucci, J.P. Burq, Y.F. Mao, R. T. Van de Walle, J. B. Ye, Jozsef Toth, M. T. Dova, J. Lettry, Claudio Luci, P. Blömeke, Nicanor Colino, Vineet Kumar, Stéphane Jézéquel, P. Zemp, Elisabetta Gallo, A. Kasser, Guofan Hu, H. O. Cohn, Barry Blumenfeld, R. de Asmundis, L. Li, I. Scott, Chenliang Wang, S. Patricelli, F. Ferroni, Y. Zeng, S. Reucroft, Marcos Cerrada, A. Klimentov, Valery Schegelsky, Antonino Zichichi, A. C. Weber, J. G. Branson, S. Shotkin, Crisostomo Sciacca, Ph Fisher, Marco Pieri, C. Rippich, H. Rykaczewski, Z. W. Yin, S. N. Ganguli, Simonetta Gentile, J. Berdugo, Y. Karyotakis, Atul Gurtu, K. Deiters, Zhen Zhang, B. P. Roe, Q. Ye, Kenneth Francis Read, D. Hauschildt, A. Bujak, Oliver Kornadt, M. Pohl, Yu. Galaktionov, J. Alcaraz, G. Mirabelli, Attilio Santocchia, Jean Fay, M. Dhina, D. Boutigny, K. Lübelsmeyer, Piero Spillantini, Z. Y. Lin, Z.Q. Yang, J.H. Wang, Cheng Chen, W. J. Burger, Zhongyukun Xu, P. K. Malhotra, H. A. Rizvi, A. Kunin, Lamberto Luminari, A. Böhm, C. Zaccardelli, W. W. Kinnison, L. J. Gutay, U. Becker, W. J. Metzger, D. Kirby, M. Guanziroli, R. C. Ball, Pierre Lecomte, I. Duran, F. L. Linde, G. Sartorelli, J. P. Martin, E. Shumilov, Charles Timmermans, F. J. Eppling, L. W. Jones, D. S. Yan, S. M. Ting, V. Shoutko, W. Y. Chen, M. Tonutti, F. Plasil, Mingshui Chen, Adrian Biland, G. Gratta, K.D. Shmakov, S. J. Fan, D. Ren, U. Vikas, A. Contin, A. Engler, H. S. Fesefeldt, R. Weill, M. Lenti, A. L. Anderson, Ying Wu, J. F. Zhou, M. MacDermott, T. Kramer, M. A. Niaz, J. J. Blaising, P. Extermann, H. Haan, I. Leedom, B. Z. Yang, Mariagrazia Alviggi, H. Hofer, K. L. Tung, I. Vetlitsky, Egidio Longo, J.C. Sens, M. M. Ilyas, G. Landi, Simone Paoletti, Manjit Kaur, H. Akbari, Daqiang Zhang, Y. J. Pei, D.W. Schmitz, G.G.G. Massaro, D.N. Mao, Robert Clare, Thomas Hebbeker, Paul Lecoq, R. W. Kraemer, M. Gailloud, M. Napolitano, S. Kirsch, E. Soderstrom, H. S. Chen, L. Servoli, D. Wright, R. Fabbretti, S. L. Wu, X. R. Shi, Felicitas Pauss, S. Rosier-Lees, P. Le Coultre, Zheng Wang, Yanwen Liu, Sabine Riemann, K. N. Qureshi, R. Starosta, D. Luckey, Gy L. Bencze, Reinhard W. Schulte, A. M. Cartacci, S. Beingessner, R. Raghavan, J. Mnich, A. C. König, Y.P. Tong, F. C. Erné, Laurent Vuilleumier, A. Rubbia, T. Foreman, J. Bao, R. L. Sumner, G. H. Wang, J. Wenninger, V. Pojidaev, Nikita Smirnov, B. L. Betev, G. Morand, F. Cesaroni, Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), CMS, Institut de Physique des 2 Infinis de Lyon (IP2I Lyon), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), L3, B., Adeva, O., Adriani, M., Aguilarbenitez, H., Akbari, J., Alcaraz, Aloisio, Alberto, G., Alverson, Alviggi, Mariagrazia, G., Ambrosi, Q., An, H., Anderhub, A. 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F., Gong, E., Gonzalez, A., Gordeev, P., Gottlicher, D., Goujon, G., Gratta, C., Grinnell, M., Gruenewald, M., Guanziroli, J. K., Guo, A., Gurtu, H. R., Gustafson, L. J., Gutay, H., Haan, A., Hasan, D., Hauschildt, C. F., He, T., Hebbeker, M., Hebert, G., Herten, U., Herten, A., Herve, K., Hilger, H., Hofer, H., Hoorani, L. S., Hsu, G., Hu, G. Q., Hu, B., Ille, M. M., Ilya, V., Innocente, H., Janssen, S., Jezequel, B. N., Jin, L. W., Jone, A., Kasser, R. A., Khan, Y., Kamyshkov, Y., Karyotaki, M., Kaur, S., Khokhar, V., Khoze, M. N., Kienzlefocacci, W., Kinnison, D., Kirkby, S., Kirsch, W., Kittel, A., Klimentov, A. C., Konig, O., Kornadt, V., Koutsenko, R. W., Kraemer, T., Kramer, V. R., Krastev, W., Krenz, J., Krizmanic, K. S., Kumar, V., Kumar, A., Kunin, V., Lalieu, G., Landi, K., Laniu, D., Lanske, S., Lanzano, P., Lebrun, P., Lecomte, P., Lecoq, P., Lecoultre, D., Lee, I., Leedom, J. M., Legoff, L., Leistam, R., Leiste, M., Lenti, E., Leonardi, J., Lettry, P. 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L., Wu, S. X., Wu, Y. G., Wu, B., Wyslouch, Y. Y., Xie, Y. D., Xu, Z. Z., Xu, Z. L., Xue, D. S., Yan, X. J., Yan, B. Z., Yang, C. G., Yang, G., Yang, K. S., Yang, Q. Y., Yang, Z. Q., Yang, C. H., Ye, J. B., Ye, Q., Ye, S. C., Yeh, Z. W., Yin, J. M., You, M., Yzerman, C., Zaccardelli, P., Zemp, M., Zeng, Y., Zeng, D. H., Zhang, Z. P., Zhang, J. F., Zhou, R. Y., Zhu, H. L., Zhuang, A., Zichichi, and IHEF (IoP, FNWI)
Subjects: Nuclear and High Energy Physics, Particle physics, Large electron positron collider, Flavour, 01 natural sciences, BHABHA SCATTERING, MONTE-CARLO, TheoryofComputation_ANALYSISOFALGORITHMSANDPROBLEMCOMPLEXITY, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], RADIATIVE-CORRECTIONS, Z0, 010306 general physics, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries), Ciencias Exactas, Boson, HIGH-ENERGIES, Physics, 010308 nuclear & particles physics, ELECTROWEAK PARAMETERS, Física, MODEL, Lepton flavour violation, PHOTON CORRECTIONS, TAU, Particle Physics - Experiment, Lepton
Abstract: We have searched for lepton flavour violation in Z0 boson decays into lepton pairs, Z0→μτ, Z0→eτ, and Z0→eμ. The data sample is based on an integrated luminosity of 10.4 pb-1 corresponding to 370 000 Z0’s produced. We obtain upper limits on the branching ratios of 4.8 X 10-5 for the μτ 3.4 X 10-5 for the eτ and 2.4 X 10-5 for the eμ decay modes at the 95% confidence level., Facultad de Ciencias Exactas
Published: 1991

33. MEASUREMENT OF Z0-]BBBAR DECAY PROPERTIES

Author: W. Wallraff, Guofan Hu, Marco Meschini, D. Kirkby, A. Arefiev, H. Anderhub, Aa Vorobyov, J. G. Branson, J. Von Rango, E. Thomas, J.H. Wang, K. N. Qureshi, R. Leiste, Zhongyukun Xu, P. K. Malhotra, T. Foreman, A. Kunin, Y.J. Pei, Wolfgang Lohmann, H. Vogt, Z. W. Yin, J.M. Qian, S. N. Ganguli, H. van der Graaf, Philip Kaaret, B. Bertucci, D. Zhang, J. Ulbricht, A. Degré, Nicanor Colino, G. Herten, W. Friebel, G. Faber, D. Kaplan, W. J. Metzger, Corinne Goy, M. Guanziroli, F. Marzano, W.-D. Nowak, Petr Levchenko, R. Dolin, W. Krenz, G. Schwering, L. Montanet, G.G.G. Massaro, D. Pandoulas, U. Micke, D. Linnhofer, R. Mount, An.A. Vorobyov, T. Matsuda, A. Kuhn, J. P. Martin, F. Wittgenstein, F. Carbonara, O. Adriani, J. A. Bakken, Federico Carminati, S. Beingessner, L. Ludovici, J. Mnich, L. Martinez, E. Shumilov, J. Zoll, E. Drago, M. Elkacimi, P. Duinker, J. Bao, L. Niessen, F. L. Linde, M. Fukushima, Raffaello D'Alessandro, R. Morand, Z. L. Xue, M. Schöntag, W. Böhlen, Samuel C.C. Ting, V. Shoutko, T. Driever, T. Kramer, Y. Mi, L. Urbàn, J. Berdugo, B. Spiess, D. Antreasyan, J. J. Blaising, G. Landi, M. J. Glaubman, L. Antonov, T. Spickermann, S. Kwan, S. Schulte, M. Harris, C. Grinnell, Leonardo Merola, Steven Goldfarb, R.B. Sutton, P. Schmitz, Howard A. Stone, Alexei Klimentov, J. M. Le Goff, D.H. Zhang, P. Vikas, T.S. Dai, V. Lalieu, H. Haan, M. Tonutti, P. J. Li, P. Lebrun, Dimitri Bourilkov, W. Walk, Mariagrazia Alviggi, C. Pols, Z.F. Gong, W. Ruckstuhl, C. Camps, Mingshui Chen, V. Plyaskin, S. C. Tonwar, R. De Asmudis, D.N. Mao, C. Souyri, Luciano Romero, Fridolin Dittus, B. Monteleoni, Yu. Kamyshkov, C. Zabounidis, Qian Wang, K. Freudenreich, Mw Gruenewald, Bernard Ille, V. Koutsenko, D. P. Stickland, D. Goujon, E. Dénes, A. Marchionni, Wen-Gan Ma, Qi An, S. Lökös, T. Azemoon, I. Vetlitsky, J. A. Rubio, R. Magahiz, Konrad Deiters, Y. Mir, C. H. Ye, P. Marchesini, V. Morgunov, J.M. Thenard, A.M. Cartacci, Thomas Ferguson, S. Patricelli, K.S. Yang, W. Kittel, J.P. Burq, C. G. Yang, C. F. He, K. Sudhakar, E. Jagel, S.Y. Zhang, R.C. Ball, Adrian Biland, H.R. Dimitrov, Th. Rombach, V.R. Krastev, S. Rosier-Lees, Ming Zeng, U. Uwer, Marcos Cerrada, F. Cesaroni, J. Y. Liao, J. D. Burger, E. Gonzalez, B. Borgia, M. Gailloud, D. Ren, T. Riemann, Q. Ye, B. N. Jin, S. X. Wu, G. Sauvage, A. van Laak, Simonetta Gentile, A. Chen, Alberto Aloisio, K.D. Shmakov, S. J. Fan, A. Pevsner, A. Grimes, P. McBride, G. Rahal-Callot, P. Le Coultre, A. Sopczak, X. Leytens, J. Salicio, M. Röhner, J. Schütte, A. Contin, Ph. Rosselet, S. Lanzano, Bernardo Adeva, X. L. Wang, E. Nagy, Harvey B Newman, M. Steuer, B. P. Roe, L.S. Hsu, K. Hangarter, G. Forconi, Alexander Savin, J. Weber, Ren-Yuan Zhu, Luciano Barone, Barry Blumenfeld, M. Vivargent, Christine Buisson, Kenneth Francis Read, M. Schneegans, G. Conforto, K. Hilgers, A. Heavey, C-Q. Li, Th. Meinholz, A. Engler, K. Schultze, E. Tarkovsky, F. Bruyant, Valery Schegelsky, E. 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P., Andreev, T., Angelov, L., Antonov, D., Antreasyan, A., Arefiev, T., Azemoon, T., Aziz, P. V., K., P., Bagnaia, J. A., Bakken, L., Baksay, R. C., Ball, S., Banerjee, J., Bao, L., Barone, A., Bay, U., Becker, S., Beingessner, G. L., Bencze, J., Berdugo, P., Berge, B., Bertucci, B. L., Betev, A., Biland, R., Bizzarri, J. J., Blaising, P., Blomeke, B., Blumenfeld, G. J., Bobbink, M., Bocciolini, W., Bohlen, A., Bohm, T., Bohringer, B., Borgia, D., Bourilkov, M., Bourquin, D., Boutigny, J. G., Branson, I. C., Brock, F., Bruyant, C., Buisson, J. D., Burger, J. P., Burq, X. D., Cai, D., Campana, C., Camp, M., Capell, F., Carbonara, F., Carminati, A. M., Cartacci, M., Cerrada, F., Cesaroni, Y. H., Chang, U. K., Chaturvedi, M., Chemarin, A., Chen, C., Chen, G. M., Chen, H. F., Chen, H. S., Chen, M., Chen, M. L., Chen, Chiefari, Giovanni, C. Y., Chien, C., Civinini, I., Clare, R., Clare, G., Coignet, N., Colino, V., Commichau, G., Conforto, A., Contin, F., Crijn, X. Y., Cui, T. S., Dai, R., Dalessandro, R., Deasmudi, A., Degre, K., Deiter, E., Dene, P., Dene, F., Denotaristefani, M., Dhina, M., Diemoz, H. R., Dimitrov, C., Dionisi, F., Dittu, R., Dolin, E., Drago, T., Driever, P., Duinker, I., Duran, M., Elkacimi, A., Engler, F. J., Eppling, F. C., Erne, P., Extermann, R., Fabbretti, G., Faber, S., Falciano, S. J., Fan, M., Fabre, J., Fay, J., Fehlmann, H., Fenker, T., Ferguson, G., Fernandez, F., Ferroni, H., Fesefeldt, J., Field, G., Forconi, T., Foreman, K., Freudenreich, W., Friebel, M., Fukushima, M., Gailloud, Y., Galaktionov, E., Gallo, S. N., Ganguli, S. S., Gau, S., Gentile, M., Gettner, M., Glaubman, S., Goldfarb, Z. F., Gong, E., Gonzalez, A., Gordeev, P., Gottlicher, D., Goujon, C., Goy, G., Gratta, A., Grime, C., Grinnell, M., Gruenewald, M., Guanziroli, A., Gurtu, D., Gusewell, H., Haan, S., Hancke, K., Hangarter, M., Harri, C. F., He, A., Heavey, T., Hebbeker, M., Hebert, G., Herten, U., Herten, A., Herve, K., Hilger, H., Hofer, L. S., Hsu, G., Hu, G. Q., Hu, B., Ille, M. M., Ilya, V., Innocente, E., Isiksal, E., Jagel, B. N., Jin, L. W., Jone, P., Kaaret, R. A., Khan, Y., Kamyshkov, D., Kaplan, Y., Karyotaki, V., Khoze, D., Kirkby, W., Kittel, A., Klimentov, P. F., Klok, A. C., Konig, O., Kornadt, V., Koutsenko, R. W., Kraemer, T., Kramer, V. R., Krastev, W., Krenz, A., Kuhn, V., Kumar, A., Kunin, S., Kwan, A., Vanlaak, V., Lalieu, G., Landi, K., Laniu, D., Lanske, S., Lanzano, P., Lebrun, P., Lecomte, P., Lecoq, P., Lecoultre, I., Leedom, J. M., Legoff, L., Leistam, R., Leiste, J., Lettry, P. M., Levchenko, X., Leyten, C., Li, H. T., Li, J. F., Li, L., Li, P. J., Li, X. G., Li, J. Y., Liao, R., Liu, Y., Liu, Z. Y., Lin, F. L., Linde, D., Linnhofer, W., Lohmann, S., Loko, E., Longo, Y. S., Lu, J. M., Lubber, K., Lubelsmeyer, C., Luci, D., Luckey, L., Ludovici, X., Lue, L., Luminari, W. G., Ma, M., Macdermott, R., Magahiz, M., Maire, P. K., Malhotra, A., Malinin, C., Mana, D. N., Mao, Y. F., Mao, M., Maolinbay, P., Marchesini, A., Marchionni, J. P., Martin, L., Martinez, F., Marzano, G. G., G., T., Matsuda, K., Mazumdar, P., Mcbride, T., Meinholz, M., Merk, Merola, Leonardo, M., Meschini, W. J., Metzger, Y., Mi, M., Micke, U., Micke, G. B., Mill, Y., Mir, G., Mirabelli, J., Mnich, L., Montanet, B., Monteleoni, G., Morand, R., Morand, S., Morganti, V., Morgunov, R., Mount, E., Nagy, Napolitano, Marco, H., Newman, L., Niessen, W. D., Nowak, D., Pandoula, Paternoster, Giovanni, Patricelli, Sergio, Y. J., Pei, D., Perretgallix, J., Perrier, E., Perrin, A., Pevsner, M., Pieri, P. A., Piroue, V., Plyaskin, M., Pohl, V., Pojidaev, C. L., A., N., Produit, J. M., Qian, K. N., Qureshi, R., Raghavan, G., Rahalcallot, J., Vonrango, P., Razi, K., Read, D., Ren, Z., Ren, S., Reucroft, T., Riemann, C., Rippich, S., Rodriguez, B. P., Roe, M., Rohner, T., Rombach, L., Romero, J., Rose, S., Rosierlee, P., Rosselet, J. A., Rubio, W., Ruckstuhl, H., Rykaczewski, M., Sachwitz, J., Salicio, G., Sauvage, A., Savin, V., Schegelsky, P., Schmitt, D., Schmitz, P., Schmitz, M., Schneegan, M., Schontag, H., Schopper, D. J., Schotanu, H. J., Schreiber, R., Schulte, S., Schulte, K., Schultze, J., Schutte, J., Schwenke, G., Schwering, Sciacca, Crisostomo, P. G., Seiler, J. C., Sen, I., Sheer, V., Shevchenko, S., Shevchenko, X. R., Shi, K., Shmakov, V., Shoutko, E., Shumilov, N., Smirnov, A., Sopczak, C., Souyri, T., Spickermann, B., Spie, P., Spillantini, R., Starosta, M., Steuer, D. P., Stickland, B., Stohr, H., Stone, K., Strauch, K., Sudhakar, G., Sultanov, R. L., Sumner, H., Suter, R. B., Sutton, A. A., Syed, X. W., Tang, E., Tarkovsky, J. M., Thenard, E., Thoma, C., Timmerman, S. C., C., S. M., Ting, Y. P., Tong, M., Tonutti, S. C., Tonwar, J., Toth, K. L., Tung, J., Ulbricht, L., Urban, U., Uwer, E., Valente, R. T., Vandewalle, H., Vandergraaf, I., Vetlitsky, G., Viertel, P., Vika, M., Vivargent, H., Vogel, H., Vogt, M., Vollmar, G., Vondardel, I., Vorobiev, A. A., Vorobyov, L., Vuilleumier, W., Walk, W., Wallraff, C. R., Wang, G. H., Wang, J. H., Wang, Q. F., Wang, X. L., Wang, Y. F., Wang, Z. M., Wang, J., Weber, R., Weill, T. J., Wenau, J., Wenninger, M., White, R., Wilhelm, C., Willmott, F., Wittgenstein, D., Wright, R. J., Wu, S. L., Wu, S. X., Wu, Y. G., Wu, B., Wyslouch, Z. Z., Xu, Z. L., Xue, D. S., Yan, B. Z., Yang, C. G., Yang, G., Yang, K. S., Yang, Q. Y., Yang, Z. Q., Yang, Q., Ye, C. H., Ye, S. C., Yeh, Z. W., Yin, J. M., You, C., Zabounidi, L., Zehnder, M., Zeng, Y., Zeng, D., Zhang, D. H., Zhang, S. Y., Zhang, Z. P., Zhang, J. F., Zhou, R. Y., Zhu, A., Zichichi, and J., Zoll
Subjects: Nuclear physics, Physics, Nuclear and High Energy Physics, Particle physics, Muon, media_common.quotation_subject, Electron–positron annihilation, Hadron, Charge (physics), Asymmetry, Bottom quark, media_common
Abstract: We have measured the properties of Z0 → b b decays using a sample of 944 inclusive muon events, corresponding to 18 000 hadron events obtained with the L3 detector at LEP. We measured the partial decay width of the Z0 into b b , Γ b b =353±48 MeV , and we determined the vector coupling of the Z0 to the b quark; grmv2(b)=0.095±0.047. We measured the forward-backward charge asymmetry in e+e− → b b events at √s≈Mv, and obtained A b b =13.3±9.9% .
Published: 1990

34. A search for leptoquarks at HERA

Author: S. Aid, V. Andreev, B. Andrieu, R.-D. Appuhn, M. Arpagaus, A. Babaev, J. Bähr, J. Bán, Y. Ban, P. Baranov, E. Barrelet, R. Barschke, W. Bartel, M. Barth, U. Bassler, H.P. Beck, H.-J. Behrend, A. Belousov, Ch. Berger, G. Bernardi, R. Bernet, G. Bertrand-Coremans, M. Besançon, R. Beyer, P. Biddulph, P. Bispham, J.C. Bizot, V. Blobel, K. Borras, F. Botterweck, V. Boudry, A. Braemer, W. Braunschweig, V. Brisson, D. Bruncko, C. Brune, R. Buchholz, L. Büngener, J. Bürger, F.W. Büsser, A. Buniatian, S. Burke, M.J. Burton, G. Buschhorn, A.J. Campbell, T. Carli, F. Charles, M. Charlet, D. Clarke, A.B. Clegg, B. Clerbaux, S. Cocks, J.G. Contreras, C. Cormack, J.A. Coughlan, A. Courau, M.-C. Cousinou, Ch. Coutures, G. Cozzika, L. Criegee, D.G. Cussans, J. Cvach, S. Dagoret, J.B. Dainton, W.D. Dau, K. Daum, M. David, C.L. Davis, B. Delcourt, L. Del Buono, A. De Roeck, E.A. De Wolf, M. Dirkmann, P. Dixon, P. Di Nezza, W. Dlugosz, C. Dollfus, J.D. Dowell, H.B. Dreis, A. Droutskoi, J. Duboc, D. Düllmann, O. Dünger, H. Duhm, J. Ebert, T.R. Ebert, G. Eckerlin, V. Efremenko, S. Egli, R. Eichler, F. Eisele, E. Eisenhandler, R.J. Ellison, E. Elsen, M. Erdmann, W. Erdmann, E. Evrard, A.B. Fahr, L. Favart, A. Fedotov, D. Feeken, R. Felst, J. Feltesse, J. Ferencei, F. Ferrarotto, K. Flamm, M. Fleischer, M. Flieser, G. Flügge, A. Fomenko, B. Fominykh, M. Forbush, J. Formánek, J.M. Foster, G. Franke, E. Fretwurst, E. Gabathuler, K. Gabathuler, F. Gaede, J. Garvey, J. Gayler, M. Gebauer, A. Gellrich, H. Genzel, R. Gerhards, A. Glazov, U. Goerlach, L. Goerlich, N. Gogitidze, M. Goldberg, D. Goldner, K. Golec-Biernat, B. Gonzalez-Pineiro, I. Gorelov, C. Grab, H. Grässler, R. Grässler, T. Greenshaw, R. Griffiths, G. Grindhammer, A. Gruber, C. Gruber, J. Haack, D. Haidt, L. Hajduk, O. Hamon, M. Hampel, M. Hapke, W.J. Haynes, G. Heinzelmann, R.C.W. Henderson, H. Henschel, I. Herynek, M.F. Hess, W. Hildesheim, K.H. Hiller, C.D. Hilton, J. Hladký, K.C. Hoeger, M. Höppner, D. Hoffmann, T. Holtom, R. Horisberger, V.L. Hudgson, M. Hütte, H. Hufnagel, M. Ibbotson, H. Itterbeck, M.-A. Jabiol, A. Jacholkowska, C. Jacobsson, M. Jaffre, J. Janoth, T. Jansen, L. Jönsson, K. Johannsen, D.P. Johnson, L. Johnson, H. Jung, P.I.P. Kalmus, M. Kander, D. Kant, R. Kaschowitz, U. Kathage, J. Katzy, H.H. Kaufmann, S. Kazarian, I.R. Kenyon, S. Kermiche, C. Keuker, C. Kiesling, M. Klein, C. Kleinwort, G. Knies, W. Ko, T. Köhler, J.H. Köhne, H. Kolanoski, F. Kole, S.D. Kolya, V. Korbel, M. Korn, P. Kostka, S.K. Kotelnikov, T. Krämerkämper, M.W. Krasny, H. Krehbiel, D. Krücker, U. Krüger, U. Krüner-Marquis, H. Küster, M. Kuhlen, T. Kurča, J. Kurzhöfer, D. Lacour, B. Laforge, F. Lamarche, R. Lander, M.P.J. Landon, W. Lange, U. Langenegger, P. Lanius, J.-F. Laporte, A. Lebedev, F. Lehner, C. Leverenz, S. Levonian, Ch. Ley, G. Lindström, M. Lindstroem, J. Link, F. Linsel, J. Lipinski, B. List, G. Lobo, P. Loch, H. Lohmander, J.W. Lomas, G.C. Lopez, V. Lubimov, D. Lüke, N. Magnussen, E. Malinovski, S. Mani, R. Maraček, P. Marage, J. Marks, R. Marshall, J. Martens, G. Martin, R. Martin, H.-U. Martyn, J. Martyniak, S. Masson, T. Mavroidis, S.J. Maxfield, S.J. McMahon, A. Mehta, K. Meier, T. Merz, A. Meyer, H. Meyer, J. Meyer, P.-O. Meyer, A. Migliori, S. Mikocki, D. Milstead, J. Moeck, F. Moreau, J.V. Morris, E. Mroczko, D. Müller, G. Müller, K. Müller, P. Murín, V. Nagovizin, R. Nahnhauer, B. Naroska, Th. Naumann, P.R. Newman, D. Newton, D. Neyret, H.K. Nguyen, T.C. Nicholls, F. Niebergall, C. Niebuhr, Ch. Niedzballa, H. Niggli, R. Nisius, G. Nowak, G.W. Noyes, M. Nyberg-Werther, M. Oakden, H. Oberlack, U. Obrock, J.E. Olsson, D. Ozerov, P. Palmen, E. Panaro, A. Panitch, C. Pascaud, G.D. Patel, H. Pawletta, E. Peppel, E. Perez, J.P. Phillips, A. Pieuchot, D. Pitzl, G. Pope, S. Prell, R. Prosi, K. Rabbertz, G. Rädel, F. Raupach, P. Reimer, S. Reinshagen, H. Rick, V. Riech, J. Riedlberger, F. Riepenhausen, S. Riess, M. Rietz, E. Rizvi, S.M. Robertson, P. Robmann, H.E. Roloff, R. Roosen, K. Rosenbauer, A. Rostovtsev, F. Rouse, C. Royon, K. Rüter, S. Rusakov, K. Rybicki, N. Sahlmann, D.P.C. Sankey, P. Schacht, S. Schiek, S. Schleif, P. Schleper, W. von Schlippe, D. Schmidt, G. Schmidt, A. Schöning, V. Schröder, E. Schuhmann, B. Schwab, F. Sefkow, M. Seidel, R. Sell, A. Semenov, V. Shekelyan, I. Sheviakov, L.N. Shtarkov, G. Siegmon, U. Siewert, Y. Sirois, I.O. Skillicorn, P. Smirnov, J.R. Smith, V. Solochenko, Y. Soloviev, A. Specka, J. Spiekermann, S. Spielman, H. Spitzer, F. Squinabol, R. Starosta, M. Steenbock, P. Steffen, R. Steinberg, H. Steiner, B. Stella, J. Stier, J. Stiewe, U. Stößlein, K. Stolze, U. Straumann, W. Struczinski, J.P. Sutton, S. Tapprogge, M. Taševský, V. Tchernyshov, S. Tchetchelnitski, J. Theissen, C. Thiebaux, G. Thompson, P. Truöl, J. Turnau, J. Tutas, P. Uelkes, A. Usik, S. Valkár, A. Valkárová, C. Vallée, D. Vandenplas, P. Van Esch, P. Van Mechelen, Y. Vazdik, P. Verrecchia, G. Villet, K. Wacker, A. Wagener, M. Wagener, A. Walther, B. Waugh, G. Weber, M. Weber, D. Wegener, A. Wegner, H.P. Wellisch, L.R. West, T. Wilksen, S. Willard, M. Winde, G.-G. Winter, C. Wittek, E. Wünsch, T.P. Yiou, J. Žáček, D. Zarbock, Z. Zhang, A. Zhokin, M. Zimmer, F. Zomer, J. Zsembery, K. Zuber, M. zurNedden, Laboratoire de l'Accélérateur Linéaire (LAL), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire Leprince-Ringuet (LLR), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC), H1, Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), and Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS)
Subjects: Physics, Coupling, Nuclear and High Energy Physics, Particle physics, Luminosity (scattering theory), 010308 nuclear & particles physics, High Energy Physics::Phenomenology, Yukawa potential, FOS: Physical sciences, HERA, Type (model theory), 01 natural sciences, Standard Model, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Leptoquark, High Energy Physics::Experiment, 010306 general physics, Lepton
Abstract: A search for leptoquarks at HERA was performed in H1 using 1994 $e^+ p$ data corresponding to an integrated luminosity of about $3 \pb^{-1}$. Single leptoquarks were searched for in direct positron-quark fusion processes taking into account possible decays into lepton-quark pairs of either the first, the second, or the third generation. No significant deviation from the Standard Model predictions is found in the various final states studied and mass dependent exclusion limits are derived on the Yukawa couplings of the leptoquarks. Compared with earlier results from an analysis of $e^-p$ data, exclusion limits are considerably improved for leptoquarks which could be produced via $e^+$-{\it valence~quark} fusion. For leptoquarks with lepton flavour conserving couplings, masses up to $275 \GeV$ (depending on the leptoquark type) are excluded for coupling values larger than $\sqrt{ 4 \pi \alpha_{em}}$. For leptoquarks with lepton flavour violating couplings, masses up to $225 \GeV$ are excluded for the first time in a direct search for couplings with leptons of the second or third generation larger than $\sqrt{ 4 \pi \alpha_{em}}$. Fourteen possible combinations of couplings are studied and stringent exclusion limits comparable or better than any existing direct or indirect limits are obtained for each leptoquark type., Comment: 16 pages, latex, 4 figures appended as uuencoded file
Published: 1996

35. Leptoquarks and Compositeness Scales from a Contact Interaction Analysis of Deep Inelastic $e^\pm \, p$ Scattering at HERA

Author: J. Feltesse, S. Levonian, M. Wagener, M. Korn, K. Flamm, J. Žáček, R. Buchholz, R. M. Martin, David Milstead, G. Weber, U. Straumann, A. Meyer, P. A. Smirnov, Steve McMahon, P. I. P. Kalmus, J. Riedlberger, S. Mani, H. P. Beck, A. Braemer, V. Korbel, J. Martens, Th. Naumann, K. Rosenbauer, Stephen Burke, Gianfranco Sciacca, Murrough Landon, Armen Vartapetian, M. Oakden, H. Duhm, J. V. Morris, G. Schmidt, J. Janoth, A. E. Wright, F. Kole, Dusan Bruncko, U. Stößlein, F. Linsel, J. Heatherington, J. Garvey, F. Zomer, D. Newton, S. M. Robertson, P. Lanius, Markus Seidel, A. Glazov, V. Tchernyshov, E. Gabathuler, B. Naroska, F. Ferrarotto, Daniel Pitzl, A. Rostovtsev, H. Meyer, S. Kermiche, K. Gabathuler, A. Buniatian, L. Del Buono, A. M. Fomenko, H. Genzel, Volker Blobel, V. Andreev, G. Thompson, V.L. Hudgson, V. Lubimov, Stephen Maxfield, K. C. Hoeger, T.C. Nicholls, M. Hütte, S. K. Kotelnikov, A. Droutskoi, C. Keuker, D. Wegener, W.J. Haynes, M. Forbush, T. Greenshaw, L. Hajduk, M. J. Burton, J.P. Phillips, M. David, Klaus Rabbertz, V. Riech, S. Reinshagen, S. Tapprogge, H. Ehrlichmann, D. Düllmann, L. R. West, W.D. Dau, J. B. Dainton, R. Maraček, L. N. Shtarkov, Benno List, Didier Lacour, G. Pope, H. Itterbeck, W. von Schlippe, J. Stiewe, P. Van Mechelen, H. Henschel, S. Spielman, A. B. Clegg, R. Rylko, Andrew Mehta, Yves Sirois, I. R. Kenyon, T. Köhler, M. W. Krasny, S. Eichenberger, H. J. Behrend, J.C. Bizot, M. Goldberg, A. Panitch, T. Merz, M. Hapke, F. Lehner, D. Lüke, H. Spitzer, Christophe Royon, Paul Richard Newman, Grzegorz Nowak, C. Jacobsson, P. Van Esch, M. Arpagaus, E. Wünsch, V. Efremenko, Dave Sankey, Claus Kleinwort, Barbara Clerbaux, G. Villet, Pierre Marage, J. Lipinski, J. Bähr, Winston Ko, P. Baranov, G. Franke, N. Gogitidze, C. Pascaud, Peter Schleper, E. Evrard, K. Rüter, C. Niebuhr, W. Hildesheim, A. Courau, K. Stephens, E. Peppel, T. Krämerkämper, Jean-Arcady Meyer, C. A. Meyer, G. D. Patel, Guenter Eckerlin, André Schöning, M. Flieser, R. Gerhards, S. Mikocki, S. Willard, Marc Besancon, D. Goldner, J. Stier, Y. Soloviev, J. W. Lomas, A. Gruber, A. Migliori, G. Martin, I. Sheviakov, J. M. Link, Peter Schacht, G. C. Lopez, A.S. Belousov, Sergey Rusakov, David Schmidt, B. Delcourt, J. Marks, Y. Vazdik, P. Truöl, U. Krüger, Daniel Johnson, R. Nisius, A. Gellrich, R. Roosen, P. E. Reimer, C. Cormack, C. Leverenz, G. Bertrand-Coremans, K. Daum, M. Winde, A. Lebedev, S. Egli, Gregorio Bernardi, V. Boudry, P. Goritchev, P. Uelkes, J. Martyniak, L. Johnson, S. Dagoret, F. Lamarche, O. Hamon, L. Goerlich, M. Rietz, D. Haidt, Anton Babaev, G. G. Winter, M. Nyberg-Werther, B. Fominykh, M. Charlet, P. Loch, K. Rybicki, L. Criegee, C. Thiebaux, J. Ebert, J. Spiekermann, V. Solochenko, U. Kathage, R. Starosta, G. Cozzika, J. Strachota, T. R. Ebert, R. Bernet, Christoph Grab, H. E. Roloff, F. Eisele, V. Brisson, Yong Ban, N. Magnussen, J. Ferencei, V I. Shekelyan, K. Wacker, R. Steinberg, Wolfram Erdmann, Eram Rizvi, G. Heinzelmann, M. Fleischer, Emmanuelle Perez, G. Lobo, J. Formánek, Stefan Valkar, E. Mroczko, M. Gebauer, F. Sefkow, J. R. Smith, E. Eisenhandler, P. Verrecchia, P. Steffen, Ch. Ley, A. Fedotov, Günter Flügge, T. P. Yiou, M. zurNedden, N. Sahlmann, E. Schuhmann, Eckhart Fretwurst, H. Küster, Hannes Jung, D. Neyret, T. Mavroidis, D. Vandenplas, Alexander Zhokin, Leif J. Jönsson, Hermann Kolanoski, D. Clarke, John A Coughlan, G. Knies, Horst Oberlack, A. Wagener, S. Schiek, P. Biddulph, V. Schröder, R. Nahnhauer, E. Barrelet, David Cussans, C. Kiesling, A. De Roeck, A. J. Campbell, B. Schwab, Pavel Murin, H. Grässler, M. Ibbotson, H. Lohmander, A. Wegner, M. A. Jabiol, H. H. Kaufmann, Eckhard Elsen, J. Duboc, B. Stella, E. A. De Wolf, Ch. Berger, Karlheinz Meier, H. K. Nguyen, I. V. Gorelov, K. Müller, P. Bispham, T. Kurča, D. Zarbock, H. P. Wellisch, U. Bassler, Martin Erdmann, C. Wittek, L. Büngener, H. Hufnagel, R. Grässler, Ch. Coutures, W. Struczinski, J. M. Foster, Max Weber, D. Feeken, E. Panaro, J. Kurzhöfer, V. Nagovizin, I. Herynek, S. Aid, R. Barschke, U. Obrock, C.D. Hilton, J.G. Contreras, P. Ribarics, R. Felst, K. Zuber, R. Eichler, J. Haack, Laurent Favart, T. Carli, G. W. Noyes, J. Cvach, Ch. Niedzballa, C. Dollfus, G. Müller, F. Niebergall, I. O. Skillicorn, H. B. Dreis, Carl R. Brune, M. Barth, F. Rouse, D. Mercer, Ulrich Goerlach, R. Marshall, S. Masson, Dirk Krücker, H. Krehbiel, Zhen Zhang, G. Buschhorn, D. Ozerov, H. U. Martyn, Matthias Klein, A. Usik, M. Jaffre, J. E. Olsson, W. Bartel, A. Walther, F. W. Büsser, W. Zimmermann, W. Braunschweig, R. Sell, S. Kazarian, U. Siewert, U. Krüner-Marquis, M. Zimmer, Jean-Francois Laporte, Frank Raupach, N. Wulff, P. Kasselmann, K. H. Hiller, R. C. W. Henderson, J. Tutas, J. D. Burger, R. Prosi, C. Vallée, M. Höppner, K. Stolze, S. Prell, R. D. Appuhn, B. Gonzalez-Pineiro, G. Siegmon, R. L. Lander, R. Kaschowitz, J. H. Köhne, Roland Horisberger, A. Valkárová, R. Beyer, S. Riess, F. Moreau, J. Hladký, J. D. Dowell, G. Lindström, C. Gruber, E. Malinovski, M. Kuhlen, A. Jacholkowska, P. Hill, J. Bán, G. Grindhammer, S. D. Kolya, D. Kant, Kerstin Borras, A. Semenov, F. Brasse, T. Jansen, F. Charles, J. Katzy, H. Rick, G. Rädel, M. F. Hess, P. Kostka, M. Hampel, B. Kuznik, R. J. Ellison, Ph. Huet, J. Turnau, Ch. Pichler, S. Schleif, M. Steenbock, J. P. Sutton, P. Di Nezza, B. Andrieu, Wolfgang Lange, J. Gayler, Peter Robmann, O. Dünger, and F. Botterweck
Subjects: Quark, Physics, Nuclear and High Energy Physics, Particle physics, Scattering, Physics beyond the Standard Model, Hadron, High Energy Physics::Phenomenology, Form factor (quantum field theory), FOS: Physical sciences, HERA, Standard Model, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), High Energy Physics::Experiment, Lepton
Abstract: A contact interaction analysis is presented to search for new phenomena beyond the Standard Model in deep inelastic $e^\pm p \rightarrow e^\pm \, hadrons$ scattering. The data are collected with the H1 detector at HERA and correspond to integrated luminosities of $0.909 \ {\rm pb}^{-1}$ and $2.947 \ {\rm pb}^{-1}$ for electron and positron beams, respectively. The differential cross sections $d\sigma / dQ^2$ are measured in the $Q^2$ range bet\-ween $160 \ \GeV^2$ and $20,000 \ \GeV^2$. The absence of any significant deviation from the Standard Model prediction is used to constrain the couplings and masses of new leptoquarks and to set limits on electron--quark compositeness scales and on the radius of light quarks., Comment: 16 pages, latex, 2 figures appended as uuencoded file
Published: 1995

36. Inclusive parton cross sections in photoproduction and photon structure

Author: T. Ahmed, S. Aid, V. Andreev, B. Andrieu, R.-D. Appuhn, M. Arpagaus, A. Babaev, J. Baehr, J. Bán, Y. Ban, P. Baranov, E. Barrelet, W. Bartel, M. Barth, U. Bassler, H.P. Beck, H.-J. Behrend, A. Belousov, Ch. Berger, G. Bernardi, R. Bernet, G. Bertrand-Coremans, M. Besançon, R. Beyer, P. Biddulph, P. Bispham, J.C. Bizot, V. Blobel, K. Borras, F. Botterweck, V. Boudry, A. Braemer, F. Brasse, W. Braunschweig, V. Brisson, D. Bruncko, C. Brune, R. Buchholz, L. Büngener, J. Bürger, F.W. Büsser, A. Buniatian, S. Burke, M. Burton, G. Buschhorn, A.J. Campbell, T. Carli, F. Charles, M. Charlet, D. Clarke, A.B. Clegg, B. Clerbaux, M. Colombo, J.G. Contreras, C. Cormack, J.A. Coughlan, A. Courau, Ch. Coutures, G. Cozzika, L. Criegee, D.G. Cussans, J. Cvach, S. Dagoret, J.B. Dainton, W.D. Dau, K. Daum, M. David, B. Delcourt, L. Del Buono, A. De Roeck, E.A. De Wolf, P. Di Nezza, C. Dollfus, J.D. Dowell, H.B. Dreis, A. Droutskoi, J. Duboc, D. Düllmann, O. Dünger, H. Duhm, J. Ebert, T.R. Ebert, G. Eckerlin, V. Efremenko, S. Egli, H. Ehrlichmann, S. Eichenberger, R. Eichler, F. Eisele, E. Eisenhandler, R.J. Ellison, E. Elsen, M. Erdmann, W. Erdmann, E. Evrard, L. Favart, A. Fedotov, D. Feeken, R. Felst, J. Feltesse, J. Ferencei, F. Ferrarotto, K. Flamm, M. Fleischer, M. Flieser, G. Flügge, A. Fomenko, B. Fominykh, M. Forbush, J. Formánek, J.M. Foster, G. Franke, E. Fretwurst, E. Gabathuler, K. Gabathuler, K. Gamerdinger, J. Garvey, J. Gayler, M. Gebauer, A. Gellrich, H. Genzel, R. Gerhards, U. Goerlach, L. Goerlich, N. Gogitidze, M. Goldberg, D. Goldner, B. Gonzalez-Pineiro, I. Gorelov, P. Goritchev, C. Grab, H. Grässler, R. Grässler, T. Greenshaw, G. Grindhammer, A. Gruber, C. Gruber, J. Haack, D. Haidt, L. Hajduk, O. Hamon, M. Hampel, E.M. Hanlon, M. Hapke, W.J. Haynes, J. Heatherington, G. Heinzelmann, R.C.W. Henderson, H. Henschel, I. Herynek, M.F. Hess, W. Hildesheim, P. Hill, K.H. Hiller, C.D. Hilton, J. Hladký, K.C. Hoeger, M. Höppner, R. Horisberger, V.L. Hudgson, Ph. Huet, M. Hütte, H. Hufnagel, M. Ibbotson, H. Itterbeck, M.-A. Jabiol, A. Jacholkowska, C. Jacobsson, M. Jaffre, J. Janoth, T. Jansen, L. Jönsson, D.P. Johnson, L. Johnson, H. Jung, P.I.P. Kalmus, D. Kant, R. Kaschowitz, P. Kasselmann, U. Kathage, J. Katzy, H.H. Kaufmann, S. Kazarian, I.R. Kenyon, S. Kermiche, C. Keuker, C. Kiesling, M. Klein, C. Kleinwort, G. Knies, W. Ko, T. Köhler, J.H. Köhne, H. Kolanoski, F. Kole, S.D. Kolya, V. Korbel, M. Korn, P. Kostka, S.K. Kotelnikov, T. Krämerkämper, M.W. Krasny, H. Krehbiel, D. Krücker, U. Krüger, U. Krüner-Marquis, J.P. Kubenka, H. Küster, M. Kuhlen, T. Kurča, J. Kurzhöfer, B. Kuznik, D. Lacour, F. Lamarche, R. Lander, M.P.J. Landon, W. Lange, P. Lanius, J.-F. Laporte, A. Lebedev, C. Leverenz, S. Levonian, Ch. Ley, A. Lindner, G. Lindström, J. Link, F. Linsel, J. Lipinski, B. List, G. Lobo, P. Loch, H. Lohmander, J. Lomas, G.C. Lopez, V. Lubimov, D. Lüke, N. Magnussen, E. Malinovski, S. Mani, R. Maraček, P. Marage, J. Marks, R. Marshall, J. Martens, R. Martin, H.-U. Martyn, J. Martyniak, S. Masson, T. Mavroidis, S.J. Maxfield, S.J. McMahon, A. Mehta, K. Meier, D. Mercer, T. Merz, C.A. Meyer, H. Meyer, J. Meyer, A. Migliori, S. Mikocki, D. Milstead, F. Moreau, J.V. Morris, E. Mroczko, G. Müller, K. Müller, P. Murín, V. Nagovizin, R. Nahnhauer, B. Naroska, Th. Naumann, P.R. Newman, D. Newton, D. Neyret, H.K. Nguyen, T.C. Nicholls, F. Niebergall, C. Niebuhr, Ch. Niedzballa, R. Nisius, G. Nowak, G.W. Noyes, M. Nyberg-Werther, M. Oakden, H. Oberlack, U. Obrock, J.E. Olsson, D. Ozerov, E. Panaro, A. Panitch, C. Pascaud, G.D. Patel, E. Peppel, E. Perez, J.P. Phillips, Ch. Pichler, A. Pieuchot, D. Pitzl, G. Pope, S. Prell, R. Prosi, K. Rabbertz, G. Rädel, F. Raupach, P. Reimer, S. Reinshagen, P. Ribarics, H. Rick, V. Riech, J. Riedlberger, S. Riess, M. Rietz, E. Rizvi, S.M. Robertson, P. Robmann, H.E. Roloff, R. Roosen, K. Rosenbauer, A. Rostovtsev, F. Rouse, C. Royon, K. Rüter, S. Rusakov, K. Rybicki, R. Rylko, N. Sahlmann, S.G. Salesch, E. Sanchez, D.P.C. Sankey, P. Schacht, S. Schiek, P. Schleper, W. von Schlippe, C. Schmidt, D. Schmidt, G. Schmidt, A. Schöning, V. Schröder, E. Schuhmann, B. Schwab, A. Schwind, F. Sefkow, M. Seidel, R. Sell, A. Semenov, V. Shekelyan, I. Sheviakov, H. Shooshtari, L.N. Shtarkov, G. Siegmon, U. Siewert, Y. Sirois, I.O. Skillicorn, P. Smirnov, J.R. Smith, V. Solochenko, Y. Soloviev, J. Spiekermann, S. Spielman, H. Spitzer, R. Starosta, M. Steenbock, P. Steffen, R. Steinberg, B. Stella, K. Stephens, J. Stier, J. Stiewe, U. Stösslein, K. Stolze, J. Strachota, U. Straumann, W. Struczinski, J.P. Sutton, S. Tapprogge, V. Tchernyshov, C. Thiebaux, G. Thompson, P. Truöl, J. Turnau, J. Tutas, P. Uelkes, A. Usik, S. Valkár, A. Valkárová, C. Vallée, P. Van Esch, P. Van Mechelen, A. Vartapetian, Y. Vazdik, P. Verrecchia, G. Villet, K. Wacker, A. Wagener, M. Wagener, I.W. Walker, A. Walther, G. Weber, M. Weber, D. Wegener, A. Wegner, H.P. Wellisch, L.R. West, S. Willard, M. Winde, G.-G. Winter, C. Wittek, A.E. Wright, E. Wünsch, N. Wulff, T.P. Yiou, J. Žáček, D. Zarbock, Z. Zhang, A. Zhokin, M. Zimmer, W. Zimmermann, F. Zomer, K. Zuber, Laboratoire Leprince-Ringuet (LLR), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Laboratoire de l'Accélérateur Linéaire (LAL), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), H1, Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), and Starita, Sabine
Subjects: Nuclear and High Energy Physics, Particle physics, Photon, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], Astrophysics::High Energy Astrophysical Phenomena, FOS: Physical sciences, Parton, 01 natural sciences, 7. Clean energy, High Energy Physics - Experiment, Nuclear physics, Momentum, High Energy Physics - Experiment (hep-ex), Factorization, 0103 physical sciences, Bibliography, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], 010306 general physics, Nuclear Experiment, Quantum chromodynamics, Physics, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, HERA, Gluon, High Energy Physics::Experiment
Abstract: Photoproduction of 2-jet events is studied with the H1 detector at HERA. Parton cross sections are extracted from the data by an unfolding method using leading order parton-jet correlations of a QCD generator. The gluon distribution in the photon is derived in the fractional momentum range $0.04\le x_\gamma \le 1$ at the average factorization scale $75$ GeV$^2$., Comment: 23 pages, latex, 10 figures appended as uuencoded file, misprint corrected
Published: 1995

37. A Direct Determination of the Gluon Density in the Proton at Low x

Author: C. A. Meyer, H. U. Martyn, A. Gruber, L. Goerlich, P. E. Reimer, Paul Richard Newman, C. Jacobsson, C. Vallée, C. Cormack, Alan Campbell, J. Feltesse, G. G. Winter, K. Rüter, C. Niebuhr, S. Egli, R. D. Appuhn, G. Grindhammer, Ch. Ley, P. Steffen, Max Klein, R. Buchholz, E. Evrard, D. Goldner, Y. Soloviev, Stefan Tapprogge, J. H. Köhne, R. Maraček, J-P. Meyer, M. W. Krasny, David Milstead, P. A. Smirnov, K. Meier, A. Wagener, K. Stephens, E. Peppel, W. von Schlippe, J. Žáček, B. Delcourt, D. Zarbock, H. P. Wellisch, Max Weber, U. Kathage, E. Malinovski, M. Kuhlen, T. Merz, M. Ibbotson, T. Carli, G. Lindström, C. Gruber, E. Eisenhandler, Christoph Grab, I. Sheviakov, H. K. Nguyen, I. V. Gorelov, K. Müller, C. Leverenz, A. Fedotox, R. Grässler, Ch. Coutures, W. Struczinski, V.L. Hudgson, E. Gabathuler, I. R. Kenyon, K. Gabathuler, A. Buniatian, J. Stiewe, K. C. Hoeger, T.C. Nicholls, J. Spiekermann, O. Hamon, K. Rosenbauer, I. O. Skillicorn, D. Wegener, W.J. Haynes, R. Roosen, J. Martens, H. Spitzer, U. Krüger, S. Dagoret, R. Rylko, Andrew Mehta, N. Gogitidze, Armen Vartapetian, R. Nahnhauer, E. Barrelet, S. Mani, H. P. Beck, David Cussans, Stephen Burke, R. Nisius, V. Riech, M. Hapke, R. J. Ellison, L. R. West, S. Spielman, T. Köhler, F. Kole, U. Stößlein, E. A. De Wolf, Ch. Berger, D. Schmidt, Martin Erdmann, G. Thompson, D. Düllmann, J. Ferencei, V I. Shekelyan, K. Wacker, R. Steinberg, V. Efremenko, C. Wittek, U. Obrock, L. Büngener, D. Kant, Kerstin Borras, A. Semenov, F. Niebergall, V. Korbel, A. Droutskoi, H. J. Behrend, J.C. Bizot, M. Goldberg, G. Bertrand-Coremans, S. Schiek, Peter Robmann, M. zur Nedden, W.D. Dau, P. Goritchev, J. B. Dainton, R. Bernet, M. Jaffre, J. E. Olsson, W. Bartel, I. Herynek, Wolfram Erdmann, G. C. Lopez, S. Mikocki, G. Cozzika, F. Eisele, A. Wegner, R. Gerhards, H. E. Roloff, J. Ebert, R. C. W. Henderson, F. Brasse, J. R. Smith, J.P. Phillips, Stefan Valkar, D. Neyret, F. W. Büsser, E. Panaro, J. Kurzhöfer, V. Nagovizin, S. Eichenberger, W. Braunschweig, T. Mavroidis, A. Meyer, Hannes Jung, Alexander Zhokin, V. Boudry, R. Eichler, Leif J. Jönsson, C. Thiebaux, S. J. Maxfield, K. Zuber, Anton Babaev, R. Sell, S. Kazarian, J. Bähr, Gianfranco Sciacca, F. Zomer, A. Lebedev, M. Oakden, J. Strachota, L. Del Buono, L. Criegee, J. Cvach, Ch. Niedzballa, G. W. Noyes, U. Siewert, U. Krüner-Marquis, O. Dünger, M. Rietz, D. Haidt, M. Zimmer, H. Lohmander, D. Feeken, F. Botterweck, Dusan Bruncko, S. Kermiche, F. Ferrarotto, S. Rusakov, J. Formánek, H. Genzel, H. Ehrlichmann, W. Hildesheim, Yves Sirois, E. Mroczko, M. Gebauer, D. Vandenplas, Eram Rizvi, G. Heinzelmann, S. Willard, J. Lipinski, G. Franke, Zhen Zhang, A. Lindner, J. Janoth, V. Lubimox, M. Fleischer, P. Van Esch, Volker Blobel, Vladimir Andreev, Wolfgang Lange, E. Elsen, C. Keuker, A. Rostovtsev, Claus Kleinwort, M. Winde, H. Küster, A. Usik, H. Oberlack, P. Uelkes, L. Johnson, Klaus Rabbertz, A. B. Clegg, G. Villet, Pierre Marage, M. Colombo, J. V. Morris, G. Schmidt, A. Courau, Murrough Landon, S. J. McMahon, B. Schwab, J. Duboc, B. Stella, A. E. Wright, N. Wulff, J. W. Lomas, M. Forbush, H. Krehbiel, S. Reinshagen, C. Kiesling, Pavel Murin, V. Brisson, H. Grässler, P. Kasselmann, A. Pieuchot, A. Migliori, G. Buschhorn, G. Müller, D. Ozerov, Carl R. Brune, M. Barth, R. Barschke, M. Höppner, Laurent Favart, C. Dollfus, S. Prell, Daniel Pitzl, D. Lüke, E. Wünsch, F. Rouse, Dave Sankey, H. Itterbeck, P. Van Mechelen, M. Arpagaus, K. Rybicki, Ulrich Goerlach, S. K. Kotelnikov, L. Hajduk, G. D. Patel, H. Meyer, Richard Lander, D.P. Johnson, G. Martin, F. Lamarche, J. P. Sutton, R. D. Martin, Didier Lacour, G. Pope, P. Di Nezza, K. Daum, L. N. Shtarkov, Hermann Kolanoski, D. Clarke, G. Knies, P. Bispham, J. Gayler, John A Coughlan, J. F. Laporte, A. Panitch, G. Nowak, F. Lehner, C. Yoyon, J. Haack, J. Riedlberger, H. B. Dreis, R. Marshall, S. Levonian, Dirk Krücker, S. M. Robertson, M. Wagener, M. Hütte, K. Flamm, P. Verrecchia, A. Braemer, A. Walther, T. Jansen, W. Zimmermann, H. Rick, P. I. P. Kalmus, G. Rädel, V. Solochenko, Yong Ban, N. Magnussen, M. Hampel, B. Kuznik, N. Sahlmann, E. Schuhmann, Ph. Huet, P. Biddulph, M. A. Jabiol, U. Bassler, P. Ribarics, R. Felst, J. M. Foster, Ch. Pichler, S. Schleif, G. Siegmon, P. Baranov, Peter Schleper, R. Beyer, T. Krämerkämper, Marc Besancon, A.S. Belousov, P. Truöl, F. Moreau, J. Hladký, J. D. Dowell, J. Martyniak, B. Fominykh, Emmanuelle Perez, G. Lobo, A. Jacholkowska, H. Hufnagel, K. H. Hiller, C.D. Hilton, J.G. Contreras, J. Tutas, J. D. Burger, R. Prosi, K. Stolze, R. Kaschowitz, M. Nyberg-Werther, Roland Horisberger, A. Valkárová, S. Riess, S. Aid, P. Hill, J. Bán, T. R. Ebert, F. Raupach, D. Mercer, Günter Flügge, B. Gonzalez-Pineiro, T. P. Yiou, S. Masson, F. Charles, J. Katzy, M. F. Hess, P. Loch, J. Turnau, A. De Roeck, M. Steenbock, V. Schröder, H. H. Kaufmann, B. Andrieu, A. Gellrich, Benno List, Barbara Clerbaux, J. M. Link, H. Henschel, T. Kurča, S. D. Kolya, Th. Naumann, H. Duhm, P. Kostka, B. Naroska, Winston Ko, E. Fretwurst, M. David, F. Linsel, Tim Greenshaw, J. Heatherington, D. Newton, C. Pascaud, P. Lanius, Markus Seidel, A. Glazov, V. Tchernyshov, Guenter Eckerlin, André Schöning, M. Korn, G. Weber, U. Straumann, P. Schacht, M. Flieser, G. Bernardi, J. Stier, J. Marks, Y. Vazdik, M. Charlet, R. Starosta, F. Sefkow, J. Garvey, A. M. Fomenko, M. J. Burton, Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), H1, and Starita, Sabine
Subjects: Nuclear and High Energy Physics, Proton, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Lattice, Nuclear Theory, FOS: Physical sciences, 01 natural sciences, High Energy Physics - Experiment, Nuclear physics, Momentum, High Energy Physics - Experiment (hep-ex), 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Statistical analysis, 010306 general physics, Nuclear Experiment, Quantum chromodynamics, Physics, Range (particle radiation), 010308 nuclear & particles physics, High Energy Physics::Phenomenology, HERA, 3. Good health, Gluon, High Energy Physics::Experiment, Atomic physics
Abstract: A leading order determination of the gluon density in the proton has been performed in the fractional momentum range $1.9 \cdot 10^{-3} < x_{g/p} < 0.18$ by measuring multi-jet events from boson-gluon fusion in deep-inelastic scattering with the H1 detector at the electron-proton collider HERA. This direct determination of the gluon density was performed in a kinematic region previously not accessible. The data show a considerable increase of the gluon density with decreasing fractional momenta of the gluons., 19 pages, latex, 5 figures appended as uuencoded file
Published: 1995
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38. Determination of the strong coupling constant from jet rates in deep inelastic scattering

Author: E. Evrard, F. Kole, T. P. Yiou, U. Bassler, B. Gonzalez-Pineiro, P. Ribarics, Armen Vartapetian, J. Garvey, B. Delcourt, R. Felst, A. M. Fomenko, M. Colombo, C. Leverenz, S. Tapprogge, A. Droutskoi, W.D. Dau, J. B. Dainton, R. L. Lander, Peter Robmann, Murrough Landon, A. E. Wright, C. A. Meyer, K. H. Hiller, H. U. Martyn, L. Del Buono, M. Htte, C. Vallée, A. Gruber, S. Eichenberger, R. Nahnhauer, K. Stephens, E. Peppel, P. E. Reimer, C. Cormack, Alan Campbell, N. Magnussen, R. D. Appuhn, N. Sahlmann, E. Schuhmann, E. Barrelet, David Cussans, M. A. Jabiol, E. A. De Wolf, Ch. Berger, H. Itterbeck, P. Van Mechelen, H. Erlichmann, E. M. Hanlon, C. Niebuhr, S. Aid, G. G. Winter, K. Mller, M. Kuhlen, F. Botterweck, A. Mavroidis, F. Charles, E. Eisenhandler, S. Egli, T. Jansen, G. Grindhammer, M. Nyberg-Werther, P. Steffen, U. Krner-Marquis, G. Cozzika, F. Eisele, D. Goldner, D. Krcker, M. F. Hess, E. Prez, J. Kurzhfer, R. Taylor, E. Snchez, I. Herynek, J.P. Phillips, S. Mani, H. P. Beck, Stephen Burke, O. Hamon, V. Schrder, H. Rick, M. Vecko, C. Gruber, H. Grssler, M. Hampel, B. Kuznik, J. Turnau, M. Korn, R. Starosta, Stephen Maxfield, Hannes Jung, Steve McMahon, S. Levonian, A. Gellrich, D. Mercer, M. Steenbock, Paul Richard Newman, Grzegorz Nowak, C. Jacobsson, I. W. Walker, K. Daum, D. Zarbock, Alexander Zhokin, H. P. Wellisch, Ph. Huet, Max Weber, R. J. Ellison, G. Mller, Christoph Grab, Ch. Pichler, S. Prell, G. Weber, U. Straumann, F. Lamarche, M. Wagener, S. Masson, U. Seehausen, F. Sefkow, T. Carli, B. Andrieu, J. Stiewe, A. Lindner, J. Janoth, M. Burton, G. Knies, P. Trul, A. B. Clegg, R. Rylko, K. Rosenbauer, K. Flamm, V. Chernyshov, M. Hppner, S. Schiek, G. Flgge, Andrew Mehta, D. Kant, J. Feltesse, T. R. Ebert, F. Linsel, Hermann Kolanoski, K. C. Hoeger, T.C. Nicholls, G. Siegmon, R. Kaschowitz, K. Johannsen, P. Verrecchia, Christophe Royon, O. Dnger, D. Clarke, Tim Greenshaw, Roland Horisberger, F. Zomer, A. Fedotov, M. Jaffré, Volker Blobel, Kerstin Borras, A. Semenov, N. Gogitidze, J. Haack, C. Keuker, Zhen Zhang, J. Heatherington, H. H. Kaufmann, S. Riess, G. Thompson, R. Beyer, K. Rter, U. Kathage, John A Coughlan, Max Klein, Horst Oberlack, V. Riech, D. Newton, F. Moreau, S. Valkr, P. Baranov, E. Malinovskii, B. Naroska, P. I. P. Kalmus, I. O. Skillicorn, H. B. Dreis, Peter Schleper, J. Buerger, J. D. Dowell, G C. Lpez, Yu. Solovev, J. Formnek, E. Gabathuler, C. Schmidt, J. P. Sutton, P. Di Nezza, Winston Ko, M. Hapke, F. Brasse, F W. Bsser, P. Hill, J. Bán, B. Stella, J. Khne, T. Krmerkmper, R. Buchholz, Daniel Pitzl, A. Jacholkowska, C. Pascaud, B. Schwab, A. Braemer, V. Lubimov, E. Wnsch, P. Lanius, E. Mroczko, Guenter Eckerlin, V. Brisson, Wolfgang Lange, Marc Besancon, David Milstead, Benno List, A.S. Belousov, P. A. Smirnov, K. Meier, H. J. Behrend, J.C. Bizot, Barbara Clerbaux, Mikhail Danilov, Judith Katzy, Carl R. Brune, M. Barth, M. Goldberg, Markus Seidel, A. De Roeck, R. Gerhards, S. K. Kotelnikov, J. Ebert, L. Hajduk, H. Henschel, R. C. W. Henderson, Laurent Favart, R. Roosen, L. N. Shtarkov, J. Martyniak, J. Tutas, A. Panitch, C. Dollfus, F. Rouse, L. Jnsson, R. Prosi, J. Hladky, Ch. Ley, J. Riedlberger, Ulrich Goerlach, T. Kurča, S. M. Robertson, A. Usik, H. Bergstein, B. Fominykh, Yves Sirois, Peter Loch, Wolfram Erdmann, D. Schmidt, T. Khler, R. D. Martin, A. Wegner, Didier Lacour, A. Wagener, Eckhart Fretwurst, S. D. Kolya, Th. Naumann, Peter Schacht, U. Stsslein, G. Pope, H. Duhm, J. Lipinski, G. Franke, G. Villet, J. E. Olsson, H. K. Nguyen, I. V. Gorelov, Gregorio Bernardi, V. Boudry, T. Ahmed, Pierre Marage, Anton Babaev, C. Thiebaux, Ch. Coutures, W. Struczinski, W. Bartel, J. Strachota, R. Grssler, H. Hufnagel, J. M. Foster, E. Deffur, M. Savitsky, K. Zuber, P. Goritchev, P. Kostka, a A. Akhundov, V L. Hudgson, A. Courau, S. Kermiche, E. Panaro, J. Cvach, D. Dllmann, C.D. Hilton, J.G. Contreras, R. Bernet, K. Gamerdinger, J. Duboc, D. Neyret, W. Braunschweig, M. David, R. Eichler, H. E. Roloff, R. Sell, J. P. Kubenka, S. Kazarian, M. Flieser, U. Siewert, E. Rizvi, G. W. Noyes, J. Stier, Y. Vazdik, M. Zimmer, Jean-Francois Laporte, P. Murn, H. Kster, G. Lindstrm, H. Lohmander, S. Dagoret, A. Valkrov, D. Feeken, J. Ferencei, V I. Shekelyan, W. Hildesheim, K. Wacker, R. Steinberg, Frank Raupach, Dusan Bruncko, I. R. Kenyon, H. Spitzer, F. Ferrarotto, H. Genzel, N. Wulff, J. Spiekermann, P. Kasselmann, P. Van Esch, E. Elsen, J. Marks, G. Rdel, A. Rostovtsev, Claus Kleinwort, S. Willard, U P. Krger, Martin Erdmann, U. Obrock, F. Niebergall, V. Korbel, Vladimir Andreev, L. Grlich, M. Winde, P. Uelkes, L. Johnson, G. Bertrand-Coremans, L. Criegee, S. Reinshagen, C. Kiesling, S. Rusakov, M. Gebauer, V. Nagovitsin, M. Arpagaus, K. Gabathuler, K. Rybicki, A. Buniatian, D. Wegener, W.J. Haynes, J. Zcek, L. R. West, M. W. Krasny, H. Krehbiel, G. Buschhorn, V. Efremenko, A. Walther, W. Zimmermann, S. Mikocki, J. Baehr, A. Schning, J. Gayler, D. Lke, R. Marshall, Dave Sankey, G. D. Patel, H. Meyer, D.P. Johnson, J. V. Morris, G. Schmidt, M. Forbush, A. Schwind, R. Maraček, J-P. Meyer, W. von Schlippe, A. Lebedev, T. Merz, M. Ibbotson, M. Rietz, D. Haidt, G. Heinzelmann, M. Fleischer, M. Oakden, H. Shooshtari, R. Nisius, J. R. Smith, L. Buengener, I. Shevyakov, J. Martens, Laboratoire Leprince-Ringuet (LLR), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), H1, Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC), and Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11)
Subjects: Physics, Quantum chromodynamics, Nuclear and High Energy Physics, Annihilation, Proton, 010308 nuclear & particles physics, Perturbative QCD, Parton, HERA, Jet (particle physics), Deep inelastic scattering, 01 natural sciences, Nuclear physics, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, 010306 general physics
Abstract: Jet rates in deep inelastic electron proton scattering are studied with the H1 detector at HERA for momentum transfers squared between 10 and 4000 GeV 2 . It is shown that they can be quantitatively described by perturbative QCD in next to leading order making use of the parton densities of the proton and with the strong coupling constant α s as a free parameter. The measured value, α s ( M Z 2 ) = 0.123 ± 0.018, is in agreement both with determinations from e + e − annihilation at LEP using the same observable and with the world average.
Published: 1995

39. First measurement of the deep-inelastic structure of proton diffraction

Author: T. Ahmed, S. Aid, V. Andreev, B. Andrieu, R.-D. Appuhn, M. Arpagaus, A. Babaev, J. Baehr, J. Bán, Y. Ban, P. Baranov, E. Barrelet, W. Bartel, M. Barth, U. Bassler, H.P. Beck, H.-J. Behrend, A. Belousov, Ch. Berger, G. Bernardi, R. Bernet, G. Bertrand-Coremans, M. Besançon, R. Beyer, P. Biddulph, P. Bispham, J.C. Bizot, V. Blobel, K. Borras, F. Botterweck, V. Boudry, A. Braemer, F. Brasse, W. Braunschweig, V. Brisson, D. Bruncko, C. Brune, R. Buchholz, L. Büngener, J. Bürger, F.W. Büsser, A. Buniatian, S. Burke, M. Burton, G. Buschhorn, A.J. Campbell, T. Carli, F. Charles, D. Clarke, A.B. Clegg, B. Clerbaux, M. Colombo, J.G. Contreras, C. Cormack, J.A. Coughlan, A. Courau, Ch. Coutures, G. Cozzika, L. Criegee, D.G. Cussans, J. Cvach, S. Dagoret, J.B. Dainton, W.D. Dau, K. Daum, M. David, E. Deffur, B. Delcourt, L. Del Buono, A. De Roeck, E.A. De Wolf, P. Di Nezza, C. Dollfus, J.D. Dowell, H.B. Dreis, A. Droutskoi, J. Duboc, D. Düllmann, O. Dünger, H. Duhm, J. Ebert, T.R. Ebert, G. Eckerlin, V. Efremenko, S. Egli, H. Ehrlichmann, S. Eichenberger, R. Eichler, F. Eisele, E. Eisenhandler, R.J. Ellison, E. Elsen, M. Erdmann, W. Erdmann, E. Evrard, L. Favart, A. Fedotov, D. Feeken, R. Felst, J. Feltesse, J. Ferencei, F. Ferrarotto, K. Flamm, M. Fleischer, M. Flieser, G. Flügge, A. Fomenko, M. Forbush, J. Formánek, J.M. Foster, G. Franke, E. Fretwurst, E. Gabathuler, K. Gabathuler, K. Gamerdinger, J. Garvey, J. Gayler, M. Gebauer, A. Gellrich, H. Genzel, R. Gerhards, U. Goerlach, L. Goerlich, N. Gogitidze, M. Goldberg, D. Goldner, B. Gonzalez-Pineiro, I. Gorelov, P. Goritchev, C. Grab, H. Grässler, R. Grässler, T. Greenshaw, G. Grindhammer, A. Gruber, C. Gruber, J. Haack, D. Haidt, L. Hajduk, O. Hamon, M. Hampel, E.M. Hanlon, M. Hapke, W.J. Haynes, J. Heatherington, G. Heinzelmann, R.C.W. Henderson, H. Henschel, I. Herynek, M.F. Hess, W. Hildesheim, P. Hill, K.H. Hiller, C.D. Hilton, J. Hladký, K.C. Hoeger, M. Höppner, R. Horisberger, V.L. Hudgson, Ph. Huet, M. Hütte, H. Hufnagel, M. Ibbotson, H. Itterbeck, M.-A. Jabiol, A. Jacholkowska, C. Jacobsson, M. Jaffre, J. Janoth, T. Jansen, L. Jönsson, D.P. Johnson, L. Johnson, H. Jung, P.I.P. Kalmus, D. Kant, R. Kaschowitz, P. Kasselmann, U. Kathage, J. Katzy, H.H. Kaufmann, S. Kazarian, I.R. Kenyon, S. Kermiche, C. Keuker, C. Kiesling, M. Klein, C. Kleinwort, G. Knies, W. Ko, T. Köhler, J.H. Köhne, H. Kolanoski, F. Kole, S.D. Kolva, V. Korbel, M. Korn, P. Kostka, S.K. Kotelnikov, T. Krämerkämper, M.W. Krasny, H. Krehbiel, D. Krücker, U. Krüger, U. Krüner-Marquis, J.P. Kubenka, H. Küster, M. Kuhlen, T. Kurča, J. Kurzhöfer, B. Kuznik, D. Lacour, F. Lamarche, R. Lander, M.P.J. Landon, W. Lange, P. Lanius, J.-F. Laporte, A. Lebedev, C. Leverenz, S. Levonian, Ch. Ley, A. Lindner, G. Lindström, J. Link, F. Linsel, J. Lipinski, B. List, G. Lobo, P. Loch, H. Lohmander, J. Lomas, G.C. Lopez, V. Lubimov, D. Lüke, N. Magnussen, E. Malinovski, S. Mani, R. Maraček, P. Marage, J. Marks, R. Marshall, J. Martens, R. Martin, H.-U. Martyn, J. Martyniak, S. Masson, T. Mavroidis, S.J. Maxfield, S.J. McMahon, A. Mehta, K. Meier, D. Mercer, T. Merz, C.A. Meyer, H. Meyer, J. Meyer, S. Mikocki, D. Milstead, F. Moreau, J.V. Morris, E. Mroczko, G. Müller, K. Müller, P. Murín, V. Nagovizin, R. Nahnhauer, B. Naroska, Th. Naumann, P.R. Newman, D. Newton, D. Neyret, H.K. Nguyen, T.C. Nicholls, F. Niebergall, C. Niebuhr, Ch. Niedzballa, R. Nisius, G. Nowak, G.W. Noyes, M. Nyberg-Werther, M. Oakden, H. Oberlack, U. Obrock, J.E. Olsson, D. Ozerov, E. Panaro, A. Panitch, C. Pascaud, G.D. Patel, E. Peppel, E. Perez, J.P. Phillips, Ch. Pichler, D. Pitzl, G. Pope, S. Prell, R. Prosi, K. Rabbertz, G. Rädel, F. Raupach, P. Reimer, S. Reinshagen, P. Ribarics, H. Rick, V. Riech, J. Riedlberger, S. Riess, M. Rietz, E. Rizvi, S.M. Robertson, P. Robmann, H.E. Roloff, R. Roosen, K. Rosenbauer, A. Rostovtsev, F. Rouse, C. Royon, K. Rüter, S. Rusakov, K. Rybicki, R. Rylko, N. Sahlmann, E. Sanchez, D.P.C. Sankey, P. Schacht, S. Schiek, P. Schleper, W. von Schlippe, C. Schmidt, D. Schmidt, G. Schmidt, A. Schöning, V. Schröder, E. Schuhmann, B. Schwab, A. Schwind, F. Sefkow, M. Seidel, R. Sell, A. Semenov, V. Shekelyan, I. Sheviakov, H. Shooshtari, L.N. Shtarkov, G. Siegmon, U. Siewert, Y. Sirois, I.O. Skillicorn, P. Smirnov, J.R. Smith, V. Solochenko, Y. Soloviev, J. Spiekermann, H. Spitzer, R. Starosta, M. Steenbock, P. Steffen, R. Steinberg, B. Stella, K. Stephens, J. Stier, J. Stiewe, U. Stösslein, K. Stolze, J. Strachota, U. Straumann, W. Struczinski, J.P. Sutton, S. Tapprogge, R.E. Taylor, V. Tchernyshov, C. Thiebaux, G. Thompson, P. Truöl, J. Turnau, J. Tutas, P. Uelkes, A. Usik, S. Valkár, A. Valkárová, C. Vallée, P. Van Esch, P. Van Mechelen, A. Vartapetian, Y. Vazdik, P. Verrecchia, G. Villet, K. Wacker, A. Wagener, M. Wagener, I.W. Walker, A. Walther, G. Weber, M. Weber, D. Wegener, A. Wegner, H.P. Wellisch, L.R. West, S. Willard, M. Winde, G.-G. Winter, C. Wittek, A.E. Wright, E. Wünsch, N. Wulff, T.P. Yiou, J. Žáček, D. Zarbock, Z. Zhang, A. Zhokin, M. Zimmer, W. Zimmermann, F. Zomer, K. Zuber, Laboratoire Leprince-Ringuet (LLR), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), H1, Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), and Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC)
Subjects: Diffraction, Physics, Nuclear and High Energy Physics, Proton, 010308 nuclear & particles physics, Scattering, Hadron, FOS: Physical sciences, HERA, Scale invariance, 01 natural sciences, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), Cross section (physics), Pomeron, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, 010306 general physics
Abstract: A measurement is presented, using data taken with the H1 detector at HERA, of the contribution of diffractive interactions to deep-inelastic electron-proton scattering. The diffractive contribution to the proton structure function is evaluated as a function of the appropriate deep-inelastic scattering variables using a class of deep-inelastic ep scattering events with no hadronic energy flow in an interval of pseudo-rapidity adjacent to the proton beam direction. The dependence of this contribution on x-pomeron is consistent with both a diffractive interpretation and a factorisable ep diffractive cross section. A first measurement of the deep-inelastic structure of the pomeron in the form of a factorised structure function is presented. This structure function is observed to be consistent with scale invariance., 16 pages, latex, including 3 figures
Published: 1995

40. A study of the fragmentation of quarks in $e^-p$ collisions at Hera

Author: J. E. Olsson, W. Bartel, M. Oakden, F. Kole, F. W. Büsser, H. Meyer, W. Braunschweig, S. Levonian, R. Sell, S. Kazarian, U. Krüner-Marquis, M. Wagener, K. C. Hoeger, T.C. Nicholls, U. Siewert, J. V. Morris, M. Zimmer, J. Gayler, S. Aid, L. Del Buono, G. Schmidt, T. Jansen, E. Fretwurst, V. Andreev, H. Rick, Jean-Francois Laporte, G. Rädel, H. Shooshtari, V. Riech, M. Hampel, B. Kuznik, K. Flamm, Ph. Huet, Ch. Pichler, E. Evrard, C. A. Meyer, R. M. Martin, E. Sanchez, M. Hapke, Wolfram Erdmann, A. Gruber, J. H. Köhne, P. Loch, P. I. P. Kalmus, A. Schwind, Ch. Ley, R. Marshall, Dirk Krücker, R. Maraček, H. Ehrlichmann, M. Nyberg-Werther, E. Malinovski, W. von Schlippe, J. Martens, D. Mercer, A. Braemer, K. Daum, R. Roosen, B. Delcourt, H. Krehbiel, M. Kuhlen, R. D. Appuhn, Frank Raupach, C. Niebuhr, G. Thompson, T. Merz, G. Grindhammer, U. Stösslein, M. Höppner, S. Prell, Daniel Johnson, Jean-Arcady Meyer, G. Buschhorn, D. Lüke, S. Masson, J. Martyniak, N. Magnussen, D. Feeken, A. Wagener, G. Bertrand-Coremans, C. Leverenz, V. Lubimov, W. Lange, W. Ko, W. Hildesheim, G. Knies, J. Lipinski, D. Goldner, N. Wulff, D. Ozerov, T. R. Ebert, R. Nahnhauer, O. Hamon, A. Fedotov, K. Rosenbauer, Günter Flügge, Y. Soloviev, G. Franke, R. Gerhards, B. Fominykh, Emmanuelle Perez, E. Wünsch, Dave Sankey, T. P. Yiou, H. Spitzerx, J. R. Smith, A. Gellrich, I. V. Gorelov, K. Müller, G. Pope, R. J. Ellison, Martin Erdmann, P. Verrecchia, V. Schröder, R. Bernet, J. Janoth, U. Obrock, F. Niebergall, C. Schmidt, J. P. Sutton, P. Di Nezza, I. W. Walker, H. K. Nguyen, P. Uelkes, L. Johnson, A. Wegner, G. D. Patel, R. Grässler, Ch. Coutures, W. Struczinski, H. H. Kaufmann, Eckhard Elsen, P. Bispham, S. Schiek, J. Haack, L. N. Shtarkov, J. M. Foster, A. Panitch, I. O. Skillicorn, H. B. Dreis, E. Barrelet, G. Nowak, David Cussans, S. Tapprogge, M. Charlet, R. Starosta, Mario David, F. Lamarche, C. Kiesling, W.D. Dau, H. E. Roloff, J. B. Dainton, V. Solochenko, E. Panaro, J. Kurzhöfer, D. Düllmann, P. Goritchev, F. Sefkow, K. Gamerdinger, Peter Robmann, C. Cormack, E. M. Hanlon, S. Reinshagen, L. Criegee, Christoph Grab, A. De Roeck, M. Colombo, A. Courau, C. Gruber, A. J. Campbell, H. Henschel, H. U. Martyn, Matthias Klein, V. Nagovizin, G. G. Winter, R. Nisius, David Schmidt, T. Mavroidis, Murrough Landon, M. Arpagaus, E. A. De Wolf, Ch. Berger, K. Stephens, K. Rybicki, H. J. Behrend, J.C. Bizot, M. Goldberg, R. Eichler, E. Peppel, Karlheinz Meier, Fabian Zomer, K. Zuber, C. Wittek, G. Lindström, T. Krdmerkämper, A. E. Wright, Christophe Royon, K. Rütter, F. Charles, J. Katzy, J. P. Kubenka, L. Jönson, H. Lohmander, N. Sahlmann, A. Jacholkowska, E. Schuhmann, P. Steffen, J. Formánek, A. Pieuchot, E. Mroczko, M. Gebauer, Benno List, A. Lebedev, S. Egli, T. Kurča, F. Rouse, Armen Vartapetian, Barbara Clerbaux, Zhen Zhang, P. Biddulph, G. Cozzika, F. Eisele, Peter Schacht, G. W. Noyes, G. C. Lopez, S. Willard, M. Rietz, D. Haidt, L. Büngener, M. F. Hess, J. Cvach, Ch. Niedzballa, I. Herynek, O. Dünger, M. Forbush, M. A. Jabiol, A. Walther, Stefan Valkar, C. Pascaud, D. Zarbock, F. Botterweck, H. Itterbeck, P. Van Mechelen, H. P. Wellisch, Max Weber, H. Hufnagel, J. Žáček, I. Sheviakov, M. Flieser, Guenter Eckerlin, André Schöning, T. Carli, W. Zimmermann, Eram Rizvi, A. Rostovtsev, A. Usik, G. Heinzelmann, Gregorio Bernardi, U. Krüger, Hannes Jung, S. Kermiche, J. Spiekermann, Alexander Zhokin, Paul Richard Newman, C. Jacobsson, D. Kant, E. Eisenhandler, Anton Babaev, Kerstin Borras, A. Belousov, Hermann Kolanoski, J. Baehr, J. Stier, D. Clarke, John A Coughlan, U. Bassler, M. Fleischer, C. Vallée, C. Thiebaux, C.D. Hilton, J.G. Contreras, Y. Vazdik, Th. Naumann, J. Turnau, I. R. Kenyon, S. Dagoret, V.L. Hudgson, Stephen Maxfield, J. Stiewe, H. Küster, J. Strachota, J. Feltesse, L. Goerlach, A. Droutskoi, A. Semenov, Horst Oberlack, A. B. Clegg, R. Rylko, Andrew Mehta, N. Gogitidze, K. Gabathuler, A. Buniatian, M. Steenbock, P. Reimer, P. Ribarics, J. Ferencei, D. Wegener, W.J. Haynes, J. Garvey, V I. Shekelyan, J. Link, A. M. Fomenko, R. Felst, G. Lobo, U. Kathage, K. Wacker, R. Steinberg, A. Lindner, H. P. Beck, Stephen Burke, H. Duhm, V. Boudry, R. Lander, R. Buchholz, V. Brisson, P. Baranov, David Milstead, P. A. Smirnov, F. Brasse, L. R. West, S. Spielman, Peter Schleper, M. J. Burton, E. Gabathuler, Dusan Bruncko, B. Andrieu, P. Kostka, B. Naroska, J. Ebert, F. Ferrarotto, H. Genzel, P. Kasselmann, Volker Blobel, S. Mani, Marc Besancon, Sergey Rusakov, P. Truöl, T. Köhler, M. W. Krasny, R. Kaschowitz, D. Neyret, C. Keuker, T. Greenshaw, Roland Horisberger, A. Valkárová, S. Eichenberger, S. Riess, Klaus Rabbertz, J.P. Phillips, J. Riedlberger, S. M. Robertson, V. Efremenko, P. Hill, J. Bán, B. Schwab, P. Van Esch, M. Hütte, Pavel Murin, H. Grässler, Claus Kleinwort, S. Mikocki, M. Ibbotson, B. Gonzalez-Pineiro, R. Barschke, Laurent Favart, C. Dollfus, Steve McMahon, Ulrich Goerlach, J. Duboc, B. Stella, M. Jaffre, G. Müller, V. Korbel, Y. Sirois, Carl R. Brune, M. Barth, M. Seidel, Daniel Pitzl, M. Korn, G. Weber, U. Straumann, S. K. Kotelnikov, J. Marks, L. Hajduk, F. Linsel, J. Heatherington, D. Newton, M. Winde, Didier Lacour, G. Villet, Pierre Marage, P. Lanius, V. Tchernyshov, Y. Ban, J. W. Lomas, A. Migliori, G. Siegmon, R. Beyer, F. Moreau, J. Hladký, J. D. Dowell, S. D. Kolya, K. H. Hiller, R. C. W. Henderson, J. Tutas, J. D. Burger, R. Prosi, K. Stolze, Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), and H1
Subjects: Quantum chromodynamics, Physics, Nuclear and High Energy Physics, Particle physics, Annihilation, 010308 nuclear & particles physics, Quark model, High Energy Physics::Phenomenology, FOS: Physical sciences, Parton, HERA, Inelastic scattering, Deep inelastic scattering, 01 natural sciences, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), Pair production, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, 010306 general physics
Abstract: Deep inelastic scattering (DIS) events, selected from 1993 data taken by the H1 experiment at HERA, are studied in the Breit frame of reference. The fragmentation function of the quark is compared with those of \ee data. It is shown that certain aspects of the quarks emerging from within the proton in \ep interactions are essentially the same as those of quarks pair-created from the vacuum in \ee annihilation. The measured area, peak position and widthof the fragmentation function show that the kinematic evolution variable, equivalent to the \ee squared centre of mass energy, is in the Breit frame the invariant square of the four-momentum transfer. We comment on the extent to which we have evidence for coherence effects in parton showers., Comment: 18 pages, latex, 7 figures appended as uuencoded file
Published: 1995

41. Measurement of the $e^+$ and $e^-$ induced charged current cross sections at HERA

Author: R. Nahnhauer, Dusan Bruncko, B. Naroska, F. Ferrarotto, T. R. Ebert, E. Barrelet, H. Genzel, David Cussans, K. Rosenbauer, A. Fedotov, Günter Flügge, T. P. Yiou, H. E. Roloff, T. Greenshaw, M. zurNedden, G. Siegmon, E. A. De Wolf, Ch. Berger, Karlheinz Meier, C. Wittek, Leif J. Jönsson, G. Thompson, C. Kiesling, Christophe Royon, L. Büngener, P. Van Esch, K. C. Hoeger, R. Beyer, A. De Roeck, J. P. Sutton, Claus Kleinwort, A. J. Campbell, H. Lohmander, F. Moreau, J. Hladký, P. Loch, D. Düllmann, Peter Robmann, H. Henschel, V. Riech, I. Herynek, H. J. Behrend, J.C. Bizot, M. Goldberg, A. Jacholkowska, F. Linsel, T. Kurča, M. Hapke, P. Verrecchia, E. Bernardi, K. Daum, J. H. Köhne, Winston Ko, S. D. Kolya, S. Schiek, A. Wegner, E. Panaro, J. Kurzhöfer, V. Schröder, V. Nagovizin, Ch. Ley, H. H. Kaufmann, Eckhard Elsen, C. Pascaud, G. W. Noyes, I. Sheviakov, G. Knies, P. Bispham, J. Heatherington, Guenter Eckerlin, H. U. Martyn, Matthias Klein, E. Malinovski, S. Levonian, K. H. Hiller, R. C. W. Henderson, Jean-Arcady Meyer, M. Kuhlen, S. Dagoret, R. Gerhards, Grzegorz Nowak, J. Ferencei, V I. Shekelyan, K. Rüter, C. Niebuhr, K. Wacker, R. Steinberg, D. Newton, C. Jacobsson, G. Cozzika, F. Eisele, G. Bertrand-Coremans, M. Wagener, G. Grindhammer, J. Tutas, O. Dünger, A. Wagener, F. Botterweck, J. Haack, P. E. Reimer, C. Cormack, I. O. Skillicorn, H. B. Dreis, Th. Naumann, M. Hütte, J.P. Phillips, Stefan Valkar, K. Flamm, R. Roosen, J. D. Burger, S. Aid, R. Prosi, H. Duhm, H. K. Nguyen, I. V. Gorelov, K. Müller, J. V. Morris, L. Criegee, S. Reinshagen, Hannes Jung, Alexander Zhokin, R. M. Martin, G. G. Winter, M. Höppner, S. Prell, U. Krüner, D. Goldner, H. Spitzer, J. Martyniak, G. Schmidt, J. Feltesse, P. Steffen, R. Grässler, Ch. Coutures, W. Struczinski, E. Gabathuler, P. Lanius, Y. Soloviev, J. M. Foster, P. I. P. Kalmus, E. Evrard, M. Colombo, K. Stolze, P. Kostka, J. Formánek, Murrough Landon, K. Zuber, Markus Seidel, A. Glazov, V. Tchernyshov, B. Fominykh, E. Mroczko, M. Gebauer, U. Kathage, A. Braemer, A. Schöning, J. Janoth, D. Zarbock, H. P. Wellisch, V. L. Hudgson, A. E. Wright, Max Weber, D. Kant, C. A. Meyer, Emmanuelle Perez, G. Lobo, T. Carli, Paul Newman, R. J. Ellison, J. Cvach, Ch. Niedzballa, V. Lubimov, J. Žáček, J. Garvey, D. Vandenplas, B. Delcourt, M. David, V. Brisson, P. Di Nezza, M. Forbush, Kerstin Borras, D. Mercer, A. Gruber, Volker Blobel, R. Eichler, H. Itterbeck, P. Van Mechelen, A. Gellrich, M. Korn, H. Krehbiel, A. Semenov, T. Jansen, A. M. Fomenko, J. D. Dowell, C. Leverenz, K. Rybicki, C. Keuker, A. Pieuchot, Eckhart Fretwurst, K. Gabathuler, B. Gonzalez-Pineiro, Daniel Johnson, A. Buniatian, M. Arpagaus, Stephen Maxfield, F. Lamarche, Wolfgang Lange, Klaus Rabbertz, O. Hamon, M. Flieser, J. Stiewe, H. Rick, G. Rädel, A. B. Clegg, R. Rylko, Andrew Mehta, L. N. Shtarkov, D. Wegener, W.J. Haynes, J. Stier, L. Goerlich, Wolfram Erdmann, M. J. Burton, N. Gogitidze, J. Gayler, J. Marks, Y. Vazdik, G. Weber, M. Hampel, B. Kuznik, R. Buchholz, A. Panitch, Christoph Grab, David Milstead, Hermann Kolanoski, Ph. Huet, L.R. West, D. Clarke, D. Lüke, F. Lehner, R. L. Lander, U. Bassler, G. Buschhorn, S. Masson, S. Spielman, U. Straumann, D. Ozerov, T. Köhler, M. W. Krasny, Ch. Pichler, John A Coughlan, Martin Erdmann, S. Schleif, P. A. Smirnov, Horst Oberlack, E. Wünsch, F. Charles, J. Katzy, Dave Sankey, U. Obrock, H. Hufnagel, M. F. Hess, K. Stephens, E. Peppel, F. Niebergall, J. Duboc, B. Stella, P. Ribarics, V. Efremenko, R. Felst, D. Feeken, W. Hildesheim, J. Ebert, M. Charlet, Peter Schacht, G. C. Lopez, C.D. Hilton, J.G. Contreras, R. Starosta, J. Turnau, V. Korbel, M. Steenbock, S. Mikocki, G. Müller, G. D. Patel, U. Krüner-Marquis, V. Boudry, S. Willard, Anton Babaev, F. Brasse, V. Solochenko, C. Thiebaux, Armen Vartapetian, J. Strachota, F. Sefkow, B. Andrieu, Carl R. Brune, M. Barth, G. Martin, David Schmidt, Yong Ban, P. Baranov, B. Schwab, R. Kaschowitz, N. Magnussen, Roland Horisberger, A. Valkárová, Pavel Murin, Peter Schleper, H. Grässler, N. Sahlmann, M. Winde, M. Ibbotson, A. Lebedev, S. Egli, S. Riess, T. Krämerkämper, M. Rietz, E. Schuhmann, Benno List, J. Spiekermann, P. Uelkes, L. Johnson, A. Rostovtsev, A. Droutskoi, Marc Besancon, Barbara Clerbaux, D. Haidt, P. Biddulph, R. Barschke, A.S. Belousov, Sergey Rusakov, P. Hill, J. Bán, M. A. Jabiol, Laurent Favart, C. Dollfus, P. Truöl, J. Riedlberger, Eram Rizvi, F. Rouse, G. Heinzelmann, Ulrich Goerlach, T. C. Nicholls, M. Fleischer, H. Küster, J. Martens, F. Kole, J. M. Link, U. Stößlein, S. Eichenberger, J. Bähr, S. Mani, H. P. Beck, S. Tapprogge, W.D. Dau, J. B. Dainton, Stephen Burke, C. Vallée, R. D. Appuhn, R. Marshall, Dirk Krücker, R. Bernet, A. Walther, W. Zimmermann, G. Lindström, C. Gruber, P. Goritchev, D. Neyret, T. Mavroidis, F. Zomer, L. Del Buono, V. Andreev, H. Ehrlichmann, Yves Sirois, J. Lipinski, G. Franke, Frank Raupach, S. M. Robertson, N. Wulff, P. Kasselmann, M. Jaffre, J. E. Olsson, W. Bartel, F. W. Büsser, W. Braunschweig, R. Sell, I. R. Kenyon, S. Kazarian, U. Siewert, M. Zimmer, Jean-Francois Laporte, Zhen Zhang, A. Usik, A. Meyer, Gianfranco Sciacca, M. Oakden, H. Meyer, S. Kermiche, R. Nisius, Daniel Pitzl, J. R. Smith, E. Eisenhandler, R. Maraček, W. von Schlippe, T. Merz, S. K. Kotelnikov, L. Hajduk, Didier Lacour, G. Pope, G. Villet, Pierre Marage, A. Courau, J. W. Lomas, A. Migliori, Steve McMahon, and M. Nyberg-Werther
Subjects: Physics, Particle physics, Physics and Astronomy (miscellaneous), Nuclear Theory, High Energy Physics::Phenomenology, FOS: Physical sciences, HERA, High Energy Physics - Experiment, Nuclear physics, Transverse plane, High Energy Physics - Experiment (hep-ex), High Energy Physics::Experiment, Nuclear Experiment, Engineering (miscellaneous), Charged current
Abstract: The cross sections for the charged current processes ${e^{-}p}\rightarrow{\nu_e+hadrons}$ and, for the first time, ${e^{+}p}\rightarrow{\overline{\nu}_e+hadrons}$ are measured at HERA for transverse momenta larger than 25 GeV., Comment: 21 pages, latex, 10 figures appended as uuencoded file
Published: 1995
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42. Observation of hard processes in rapidity gap events in γp interactions at HERA

Author: R. Beyer, V. Lubimov, F. Moreau, J. Hladký, J. D. Dowell, M. Colombo, A. Jacholkowska, Murrough Landon, S. D. Kolya, A. E. Wright, Mikhail Danilov, L. N. Shtarkov, V. Droutskoi, R. Roosen, I. Sheviakov, J. Martyniak, Frank Raupach, K. Rosenbauer, J. M. Foster, E. Malinovski, I. R. Kenyon, A. Panitch, B. Fominykh, R. Nahnhauer, K. C. Hoeger, V. Riech, J. Martens, Peter Robmann, H. Itterbeck, P. Van Mechelen, N. Wulff, M. Kuhlen, M. Savitsky, G. Thompson, A. Lebedev, S. Egli, M. Rietz, D. Haidt, H. Spitzer, G. Heinzelmann, H. Küster, Emmanuelle Perez, P. Kasselmann, G. Grindhammer, H. U. Martyn, Matthias Klein, F. Kole, E. Barrelet, David Cussans, K. Zuber, K. Johannsen, D. Lüke, T. Jansen, U. Krüger, Christophe Royon, M. Nyberg-Werther, S. Dagoret, I.O. Skillicorni, M. Hapke, D. Düllmann, E. A. De Wolf, Ch. Berger, Karlheinz Meier, S. Willard, E. Wünsch, Dave Sankey, G. D. Patel, K. Gabathuler, A. Buniatian, Eckhart Fretwurst, J. Cvach, David Schmidt, J. V. Morris, G. Schmidt, M. Forbush, J. Žáček, A. Schwind, D. Wegener, W.J. Haynes, H. Rick, G. Rädel, H. Henschel, H. J. Behrend, J.C. Bizot, M. Goldberg, L. Büngener, Zhen Zhang, D. Kant, Winston Ko, C. Pascaud, J. Ferencei, Kerstin Borras, K. Daum, V I. Shekelyan, S. Levonian, Jean-Arcady Meyer, M. Hampel, B. Kuznik, M. Wagener, Ph. Huet, T. R. Ebert, G. Cozzika, F. Eisele, R. Gerhards, A. Semenov, I. Herynek, Steve McMahon, M. Winde, Stefan Valkar, S. Tapprogge, O. Dünger, Guenter Eckerlin, A. Usik, André Schöning, G. Knies, S. Mani, K. Wacker, R. Steinberg, W.D. Dau, P. Loch, P. Uelkes, L. Johnson, Ch. Pichler, K. Flamm, A. Fedotov, L. R. West, T. Köhler, M. W. Krasny, Hannes Jung, Alexander Zhokin, J. B. Dainton, F. Botterweck, R. M. Martin, S. Schiek, R. Marshall, P. Baranov, R. Bernet, F. Brasse, Dirk Krücker, Peter Schleper, H. P. Beck, Stephen Burke, J. Haack, R. J. Ellison, Günter Flügge, T. P. Yiou, P. I. P. Kalmus, P. E. Reimer, H. E. Roloff, K. Stephens, E. Evrard, Dusan Bruncko, V. Efremenko, Paul Richard Newman, Grzegorz Nowak, C. Jacobsson, T. Krämerkämper, E. Peppel, M. Jaffre, H. Krehbiel, J. E. Olsson, W. Bartel, H. B. Dreis, L. Goerlach, K. H. Hiller, R. C. W. Henderson, B. Naroska, F. Ferrarotto, E. M. Hanlon, H. Genzel, P. Verrecchia, A. Braemer, Leif J. Jönsson, C. Kiesling, G. G. Winter, F. Zomer, A. M. Goodall, A. De Roeck, Marc Besancon, S. Mikocki, Ch. Ley, A.S. Belousov, Wolfram Erdmann, A. J. Campbell, Richard E. Taylor, G. Buschhorn, Sergey Rusakov, F. W. Büsser, P. Truöl, W. Braunschweig, L. Del Buono, J. Garvey, R. Sell, S. Kazarian, J. Tutas, J. D. Burger, T. Greenshaw, V. Schröder, T. Ahmed, B. Delcourt, R. Prosi, C. Vallée, H. H. Kaufmann, Eckhard Elsen, J.P. Phillips, Peter Schacht, G. C. Lopez, U. Stösslein, R. D. Appuhn, P. Steffen, V. Andreev, A. Wagener, C. Leverenz, H. Lohmander, U. Siewert, M. Zimmer, Vincent Boudry, A. M. Fomenko, Jean-Francois Laporte, Wolfgang Lange, P. Van Esch, O. Hamon, U. Krüner-Marquis, H. Hufnagel, S. Aid, D. Feeken, U. Kathage, Claus Kleinwort, G. Villet, Pierre Marage, D. Zarbock, H. P. Wellisch, H. Ehrlichmann, Gregorio Bernardi, Max Weber, H. K. Nguyen, I. V. Gorelov, K. Müller, T. Kurča, T. Carli, H. Bergstein, Th. Naumann, R. Grässler, Ch. Coutures, W. Struczinski, Stephen Maxfield, J. Stiewe, C.D. Hilton, J.G. Contreras, Yves Sirois, A. Wegner, V. Brisson, G. Lindström, C. Gruber, E. Panaro, J. Kurzhöfer, S. Reinshagen, A. Courau, A. B. Clegg, R. Rylko, Andrew Mehta, H. Duhm, N. Gogitidze, V. Nagovizin, Anton Babaev, R. Eichler, J. P. Kubenka, J. Feltesse, C. Thiebaux, J. Strachota, M. Vecko, M. Fleischer, J. Lipinski, G. Franke, D. Mercer, G. W. Noyes, E. Gabathuler, E. Deffur, M. Arpagaus, J. Gayler, R. Starosta, A. Walther, U. Seehausen, J. Ebert, F. Sefkow, B. Schwab, S. Masson, Pavel Murin, H. Grässler, W. Zimmermann, M. Ibbotson, J. Baehr, M. David, E. Sanchez, Benno List, Barbara Clerbaux, Laurent Favart, C. Dollfus, M. Flieser, J. Stier, J. Marks, Y. Vazdik, R. Buchholz, David Milstead, P. A. Smirnov, F. Rouse, Ulrich Goerlach, Daniel Pitzl, M. Höppner, S. Prell, S. K. Kotelnikov, L. Hajduk, R. Kaschowitz, W. Hildesheim, Roland Horisberger, A. Valkárová, Martin Erdmann, S. Riess, A. Lindner, J. Janoth, U. Obrock, F. Niebergall, Didier Lacour, G. Pope, C. Schmidt, J. P. Sutton, Volker Blobel, C. Keuker, P. Di Nezza, P. Hill, J. Bán, F. Charles, M. F. Hess, P. Kostka, J. Turnau, M. Steenbock, B. Andrieu, B. Gonzalez-Pineiro, R. L. Lander, M. Korn, G. Weber, H. Meyer, U. Straumann, S. Kermiche, F. Linsel, J. Heatherington, D. Newton, P. Lanius, Markus Seidel, V. Tchernyshov, V. Korbel, H. Shooshtari, R. Maraček, W. von Schlippe, T. Merz, R. Nisius, J. R. Smith, R. Herma, Armen Vartapetian, E. Eisenhandler, A. Rostovtsev, S. Eichenberger, K. Rüter, C. Niebuhr, D. Goldner, Y. Soloviev, I. W. Walker, K. Rybicki, Christoph Grab, U. Bassler, P. Ribarics, R. Felst, N. Magnussen, N. Sahlmann, E. Schuhmann, P. Biddulph, M. A. Jabiol, C. A. Meyer, A. Gruber, Daniel Johnson, J. Duboc, B. Stella, G. Müller, G. Bertrand-Coremans, P. Goritchev, Carl R. Brune, M. Barth, L. Criegee, K. Gamerdinger, D. Neyret, T. Mavroidis, J. Formánek, M. Gebauer, J. Riedlberger, S. M. Robertson, A. Gellrich, F. Lamarche, Hermann Kolanoski, D. Clarke, John A Coughlan, Horst Oberlack, and G. Siegmon
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Photon, Meson, Scattering, Hadron, Physics::Optics, Elementary particle, HERA, Kinetic energy, Nuclear physics, High Energy Physics::Experiment, Rapidity, Nuclear Experiment
Abstract: Events with no hadronic energy flow in a large interval of pseudo-rapidity in the proton direction are observed in photon-proton interactions at an average centre of mass energy 〈√sγp〉 of 200 GeV These events are interpreted as photon diffractive dissociation. Evidence for hard scattering in photon diffractive dissociation is demonstrated using inclusive single particle spectra, thrust as a function of transverse energy, and the observation of jet production. The data can be described by a Monte Carlo calculation including hard photon-pomeron scattering.
Published: 1995

43. The Gluon Density of the Proton at Low $x$ from a QCD Analysis of $F_2$

Author: S. Aid, V. Andreev, B. Andrieu, R.-D. Appuhn, M. Arpagaus, A. Babaev, J. Baehr, J. Bán, Y. Ban, P. Baranov, E. Barrelet, R. Barschke, W. Bartel, M. Barth, U. Bassler, H.P. Beck, H.-J. Behrend, A. Belousov, Ch. Berger, G. Bernardi, R. Bernet, G. Bertrand-Coremans, M. Besançon, R. Beyer, P. Biddulph, P. Bispham, J.C. Bizot, V. Blobel, K. Borras, F. Botterweck, V. Boudry, A. Braemer, F. Brasse, W. Braunschweig, V. Brisson, D. Bruncko, C. Brune, R. Buchholz, L. Büngener, J. Bürger, F.W. Büsser, A. Buniatian, S. Burke, M. Burton, G. Buschhorn, A.J. Campbell, T. Carli, F. Charles, M. Charlet, D. Clarke, A.B. Clegg, B. Clerbaux, M. Colombo, J.G. Contreras, C. Cormack, J.A. Coughlan, A. Courau, Ch. Coutures, G. Cozzika, L. Criegee, D.G. Cussans, J. Cvach, S. Dagoret, J.B. Dainton, W.D. Dau, K. Daum, M. David, B. Delcourt, L. Del Buono, A. De Roeck, E.A. De Wolf, P. Di Nezza, C. Dollfus, J.D. Dowell, H.B. Dreis, A. Droutskoi, J. Duboc, D. Düllmann, O. Dünger, H. Duhm, J. Ebert, T.R. Ebert, G. Eckerlin, V. Efremenko, S. Egli, H. Ehrlichmann, S. Eichenberger, R. Eichler, F. Eisele, E. Eisenhandler, R.J. Ellison, E. Elsen, M. Erdmann, W. Erdmann, E. Evrard, L. Favart, A. Fedotov, D. Feeken, R. Felst, J. Feltesse, J. Ferencei, F. Ferrarotto, K. Flamm, M. Fleischer, M. Flieser, G. Flügge, A. Fomenko, B. Fominykh, M. Forbush, J. Formánek, J.M. Foster, G. Franke, E. Fretwurst, E. Gabathuler, K. Gabathuler, K. Gamerdinger, J. Garvey, J. Gayler, M. Gebauer, A. Gellrich, H. Genzel, R. Gerhards, U. Goerlach, L. Goerlich, N. Gogitidze, M. Goldberg, D. Goldner, B. Gonzalez-Pineiro, I. Gorelov, P. Goritchev, C. Grab, H. Grässler, R. Grässler, T. Greenshaw, G. Grindhammer, A. Gruber, C. Gruber, J. Haack, D. Haidt, L. Hajduk, O. Hamon, M. Hampel, E.M. Hanlon, M. Hapke, W.J. Haynes, J. Heatherington, G. Heinzelmann, R.C.W. Henderson, H. Henschel, I. Herynek, M.F. Hess, W. Hildesheim, P. Hill, K.H. Hiller, C.D. Hilton, J. Hladký, K.C. Hoeger, M. Höppner, R. Horisberger, V.L. Hudgson, Ph. Huet, M. Hütte, H. Hufnagel, M. Ibbotson, H. Itterbeck, M.-A. Jabiol, A. Jacholkowska, C. Jacobsson, M. Jaffre, J. Janoth, T. Jansen, L. Jönsson, D.P. Johnson, L. Johnson, H. Jung, P.I.P. Kalmus, D. Kant, R. Kaschowitz, P. Kasselmann, U. Kathage, J. Katzy, H.H. Kaufmann, S. Kazarian, I.R. Kenyon, S. Kermiche, C. Keuker, C. Kiesling, M. Klein, C. Kleinwort, G. Knies, W. Ko, T. Köhler, J.H. Köhne, H. Kolanoski, F. Kole, S.D. Kolya, V. Korbel, M. Korn, P. Kostka, S.K. Kotelnikov, T. Krämerkämper, M.W. Krasny, H. Krehbiel, D. Krücker, U. Krüger, U. Krüner-Marquis, J.P. Kubenka, H. Küster, M. Kuhlen, T. Kurča, J. Kurzhöfer, B. Kuznik, D. Lacour, F. Lamarche, R. Lander, M.P.J. Landon, W. Lange, P. Lanius, J.-F. Laporte, A. Lebedev, C. Leverenz, S. Levonian, Ch. Ley, A. Lindner, G. Lindström, J. Link, F. Linsel, J. Lipinski, B. List, G. Lobo, P. Loch, H. Lohmander, J. Lomas, G.C. Lopez, V. Lubimov, D. Lüke, N. Magnussen, E. Malinovski, S. Mani, R. Maraček, P. Marage, J. Marks, R. Marshall, J. Martens, R. Martin, H.-U. Martyn, J. Martyniak, S. Masson, T. Mavroidis, S.J. Maxfield, S.J. McMahon, A. Mehta, K. Meier, D. Mercer, T. Merz, C.A. Meyer, H. Meyer, J. Meyer, A. Migliori, S. Mikocki, D. Milstead, F. Moreau, J.V. Morris, E. Mroczko, G. Müller, K. Müller, P. Murín, V. Nagovizin, R. Nahnhauer, B. Naroska, Th. Naumann, P.R. Newman, D. Newton, D. Neyret, H.K. Nguyen, T.C. Nicholls, F. Niebergall, C. Niebuhr, Ch. Niedzballa, R. Nisius, G. Nowak, G.W. Noyes, M. Nyberg-Werther, M. Oakden, H. Oberlack, U. Obrock, J.E. Olsson, D. Ozerov, E. Panaro, A. Panitch, C. Pascaud, G.D. Patel, E. Peppel, E. Perez, J.P. Phillips, Ch. Pichler, A. Pieuchot, D. Pitzl, G. Pope, S. Prell, R. Prosi, K. Rabbertz, G. Rädel, F. Raupach, P. Reimer, S. Reinshagen, P. Ribarics, H. Rick, V. Riech, J. Riedlberger, S. Riess, M. Rietz, E. Rizvi, S.M. Robertson, P. Robmann, H.E. Roloff, R. Roosen, K. Rosenbauer, A. Rostovtsev, F. Rouse, C. Royon, K. Rüter, S. Rusakov, K. Rybicki, R. Rylko, N. Sahlmann, E. Sanchez, D.P.C. Sankey, P. Schacht, S. Schiek, P. Schleper, W. von Schlippe, C. Schmidt, D. Schmidt, G. Schmidt, A. Schöning, V. Schröder, E. Schuhmann, B. Schwab, A. Schwind, F. Sefkow, M. Seidel, R. Sell, A. Semenov, V. Shekelyan, I. Sheviakov, H. Shooshtari, L.N. Shtarkov, G. Siegmon, U. Siewert, Y. Sirois, I.O. Skillicorn, P. Smirnov, J.R. Smith, V. Solochenko, Y. Soloviev, J. Spiekermann, S. Spielman, H. Spitzer, R. Starosta, M. Steenbock, P. Steffen, R. Steinberg, B. Stella, K. Stephens, J. Stier, J. Stiewe, U. Stösslein, K. Stolze, J. Strachota, U. Straumann, W. Struczinski, J.P. Sutton, S. Tapprogge, V. Tchernyshov, C. Thiebaux, G. Thompson, P. Truöl, J. Turnau, J. Tutas, P. Uelkes, A. Usik, S. Valkár, A. Valkárová, C. Vallée, P. Van Esch, P. Van Mechelen, A. Vartapetian, Y. Vazdik, P. Verrecchia, G. Villet, K. Wacker, A. Wagener, M. Wagener, I.W. Walker, A. Walther, G. Weber, M. Weber, D. Wegener, A. Wegner, H.P. Wellisch, L.R. West, S. Willard, M. Winde, G.-G. Winter, C. Wittek, A.E. Wright, E. Wünsch, N. Wulff, T.P. Yiou, J. Žáček, D. Zarbock, Z. Zhang, A. Zhokin, M. Zimmer, W. Zimmermann, F. Zomer, K. Zuber, Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), H1, and Starita, Sabine
Subjects: Physics, Quantum chromodynamics, Nuclear and High Energy Physics, Particle physics, Range (particle radiation), [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], Proton, 010308 nuclear & particles physics, High Energy Physics::Lattice, Structure function, High Energy Physics::Phenomenology, FOS: Physical sciences, HERA, 01 natural sciences, High Energy Physics - Experiment, Gluon, Nuclear physics, High Energy Physics - Experiment (hep-ex), 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], High Energy Physics::Experiment, 010306 general physics, Nucleon, Scaling
Abstract: We present a QCD analysis of the proton structure function $F_2$ measured by the H1 experiment at HERA, combined with data from previous fixed target experiments. The gluon density is extracted from the scaling violations of $F_2$ in the range $2\cdot 10^{-4}, Comment: 17 pages, latex2e, 5 figures appended as uuencoded file, hep number included
Published: 1995
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44. A measurement of the proton structure function <tex>F_{2}$</tex> (x, <tex>Q^{**}2)$</tex>

Author: H. U. Martyn, Matthias Klein, C. Niebuhr, Wolfram Erdmann, L. Criegee, T. Ahmed, M. Hppner, V. Andreev, D. Goldner, L. Grlich, R. Bernet, L. Jnsson, M. Colombo, H. E. Roloff, L. Del Buono, F W. Bsser, I. W. Walker, Murrough Landon, A. E. Wright, M. Kuhlen, K. Rybicki, G. Grindhammer, Yves Sirois, Paul Richard Newman, Grzegorz Nowak, G. Mller, C. Jacobsson, Christoph Grab, U. Seehausen, J. Kurzhfer, F. Botterweck, E. Snchez, P. Trul, H. Lohmander, G. Bertrand-Coremans, R. Kaschowitz, G. Franke, A. Wegner, a A. Akhundov, E. Panaro, W. Hildesheim, R. Eichler, J. P. Kubenka, G. W. Noyes, A. Walther, H. Itterbeck, P. Van Mechelen, J. V. Morris, S. Prell, H. Erlichmann, P. E. Reimer, W. Zimmermann, S. Riess, C. Cormack, E. M. Hanlon, O. Hamon, Armen Vartapetian, J. Baehr, V. Lubimov, T. Jansen, P. Verrecchia, Roland Horisberger, M. Nyberg-Werther, G. Heinzelmann, G. G. Winter, S. Willard, K. Daum, M. Forbush, A. Rostovtsev, R. J. Ellison, H. H. Kaufmann, Jan Hladky, I. Shevyakov, P. Steffen, P. Goritchev, T. R. Ebert, A. Droutskoi, C. Schmidt, H. Rick, N. Magnussen, J. P. Sutton, P. Di Nezza, M. Winde, P. Uelkes, L. Johnson, Ch. Ley, A. Schwind, N. Sahlmann, E. Mroczko, M. Gebauer, A. Fedotov, G. Knies, Eckhard Elsen, V. Nagovitsin, K. Gamerdinger, U. Kathage, E. Schuhmann, V. Chernyshov, M. Steenbock, H. Hufnagel, P. Hill, P. Robmann, J. Bán, H. Grssler, J. Khne, J. Duboc, D. Neyret, S. Schiek, M. Hampel, B. Kuznik, Ph. Huet, S. Kermiche, S. Aid, J. Buerger, C. Kiesling, Wolfgang Lange, A. Lindner, J. Janoth, D. Dllmann, C.D. Hilton, E. Malinovskii, J.G. Contreras, B. Stella, J. Gayler, S. Eichenberger, I. R. Kenyon, T. Krmerkmper, L. N. Shtarkov, Dave Sankey, J. Haack, V. Brisson, A. De Roeck, A. J. Campbell, Richard E. Taylor, Mikhail Danilov, K. Gabathuler, A. Buniatian, D. Wegener, D. Krcker, W.J. Haynes, J. Formnek, A. Wagener, R. Roosen, I. O. Skillicorn, D. Zarbock, H. B. Dreis, Ch. Pichler, H. P. Wellisch, Max Weber, M. A. Jabiol, T. P. Yiou, Martin Erdmann, F. Charles, J. Katzy, T. Khler, U. Obrock, S. Reinshagen, A. Panitch, C. Keuker, J. Martyniak, Carl R. Brune, M. Barth, R. Marshall, M. F. Hess, T. Carli, B. Fominykh, L. R. West, U. Bassler, M. W. Krasny, T. Kurča, M. Htte, P. Kostka, B. Naroska, G. D. Patel, A. Usik, R. Nahnhauer, Zhiqing Zhang, Benno List, H. Krehbiel, J. Turnau, K. Mller, Barbara Clerbaux, H. K. Nguyen, I. V. Gorelov, J. Zcek, H. Bergstein, Eckhart Fretwurst, M. Arpagaus, G. Siegmon, K. C. Hoeger, T.C. Nicholls, B. Schwab, David Schmidt, S. Levonian, A. Gellrich, J. E. Olsson, W. Bartel, G. Buschhorn, V. Efremenko, F. Lamarche, R. Grssler, P. Ribarics, H. Duhm, B. Andrieu, M. Wagener, V. Riech, R. Felst, R. Beyer, K. Flamm, E. Barrelet, David Cussans, S. Mani, E. A. De Wolf, Ch. Berger, F. Moreau, J. D. Dowell, Ch. Coutures, W. Struczinski, J. M. Foster, D. Feeken, W. Braunschweig, M. Savitsky, R. Sell, S. Kazarian, Hermann Kolanoski, D. Clarke, M. Ibbotson, A. Mavroidis, E. Gabathuler, C. Pascaud, M. Hapke, John A Coughlan, A. Lebedev, S. Egli, Horst Oberlack, G. Weber, U. Siewert, E. Deffur, P. Baranov, S. Mikocki, A. Jacholkowska, Peter Schleper, H. P. Beck, Stephen Burke, M. Zimmer, J. Feltesse, Vincent Boudry, Jean-Francois Laporte, P. I. P. Kalmus, M. Rietz, S. Valkr, D. Haidt, Laurent Favart, C. Dollfus, C. A. Meyer, Karlheinz Meier, K. Zuber, Marc Besancon, J. Riedlberger, U. Krner-Marquis, J. Cvach, A.S. Belousov, Sergey Rusakov, B. Gonzalez-Pineiro, G. Schmidt, A. Braemer, V. Blobel, S. M. Robertson, U. Stsslein, S. D. Kolya, Jean-Arcady Meyer, Eram Rizvi, A. Gruber, F. Rouse, M. David, Ulrich Goerlach, M. Vecko, R. Gerhards, Daniel Pitzl, C. Kleinwort, R. L. Lander, Frank Raupach, K. H. Hiller, Daniel Johnson, D. Mercer, I. Herynek, R. C. W. Henderson, E. Prez, N. Wulff, J. Tutas, S. Masson, R. Buchholz, M. Flieser, F. Niebergall, David Milstead, J. Stier, Y. Vazdik, P. Kasselmann, V.L. Hudgson, Stephen Maxfield, P. A. Smirnov, J. Stiewe, R. Prosi, A. Schning, J. Martens, U P. Krger, F. Kole, S. K. Kotelnikov, L. Hajduk, A. B. Clegg, R. Rylko, Andrew Mehta, N. Gogitidze, M. Fleischer, K. Johannsen, H. Kster, D. Lke, P. Murn, K. Rter, Peter Schacht, S. Tapprogge, W.D. Dau, J. B. Dainton, J. Lipinski, K. Stephens, E. Peppel, A. Valkrov, J. Spiekermann, Gregorio Bernardi, J. Ebert, R. Starosta, Anton Babaev, C. Thiebaux, J. Strachota, F. Sefkow, Peter Loch, R. D. Martin, Didier Lacour, G. Pope, J. Garvey, A. M. Fomenko, G. Villet, Pierre Marage, M. J. Burton, H. Spitzer, A. Courau, O. Dnger, Christophe Royon, Winston Ko, Guenter Eckerlin, Steve McMahon, V. Schrder, F. Linsel, G C. Lpez, J. Heatherington, G. Flgge, R. D. Appuhn, C. Gruber, G. Lindstrm, D. Kant, G. Rdel, Kerstin Borras, D. Newton, A. Semenov, Yu. Solovev, F. Brasse, P. Lanius, Markus Seidel, M. Korn, R. Nisius, U. Straumann, Thomas Naumann, V. Korbel, J. R. Smith, L. Buengener, E. Eisenhandler, R. Maraček, Fabian Zomer, G. Cozzika, F. Eisele, W. von Schlippe, Hannes Jung, Alexander Zhokin, T. Merz, C. Vallée, E. Evrard, S. Dagoret, J. Ferencei, V I. Shekelyan, K. Wacker, R. Steinberg, Dusan Bruncko, F. Ferrarotto, H. Genzel, T. Greenshaw, J.P. Phillips, P. Van Esch, J. Marks, B. Delcourt, C. Leverenz, K. Rosenbauer, M. Jaffré, G. Thompson, M. Oakden, H. Meyer, E. Wnsch, H. Henschel, H. J. Behrend, J.C. Bizot, M. Goldberg, H. Shooshtari, Laboratoire Leprince-Ringuet (LLR), Centre National de la Recherche Scientifique (CNRS)-École polytechnique (X)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Centre National de la Recherche Scientifique (CNRS)-Université Paris Diderot - Paris 7 (UPD7)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Pierre et Marie Curie - Paris 6 (UPMC), Laboratoire de l'Accélérateur Linéaire (LAL), Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris-Sud - Paris 11 (UP11), Centre de Physique des Particules de Marseille (CPPM), Aix Marseille Université (AMU)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), H1, Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-École polytechnique (X)-Centre National de la Recherche Scientifique (CNRS), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), and Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS)
Subjects: Physics, Diffraction, Nuclear and High Energy Physics, Range (particle radiation), Logarithm, Proton, 010308 nuclear & particles physics, Momentum transfer, Hadron, FOS: Physical sciences, HERA, 01 natural sciences, Measure (mathematics), High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Atomic physics, 010306 general physics
Abstract: A measurement of the proton structure function $F_{\!2}(x,Q^2)$ is reported for momentum transfer squared $Q^2$ between 4.5 $GeV^2$ and 1600 $GeV^2$ and for Bjorken $x$ between $1.8\cdot10^{-4}$ and 0.13 using data collected by the HERA experiment H1 in 1993. It is observed that $F_{\!2}$ increases significantly with decreasing $x$, confirming our previous measurement made with one tenth of the data available in this analysis. The $Q^2$ dependence is approximately logarithmic over the full kinematic range covered. The subsample of deep inelastic events with a large pseudo-rapidity gap in the hadronic energy flow close to the proton remnant is used to measure the "diffractive" contribution to $F_{\!2}$., 32 pages, ps, appended as compressed, uuencoded file
Published: 1995

45. Comparison of Deep Inelastic Scattering with Photoproduction Interactions at HERA

Author: Steve McMahon, K. Rüter, C. Niebuhr, R. Nisius, D. Goldner, B. Laforge, P. Palmen, R. Marshall, Y. Soloviev, P. E. Reimer, Dirk Krücker, C. Cormack, J. M. Foster, J. Riedlberger, V. Lubimov, G. G. Winter, B. Gonzalez-Pineiro, K. Zuber, S. M. Robertson, G. Bertrand-Coremans, P. Steffen, G. Cozzika, M. Hütte, J. R. Smith, F. Eisele, E. Eisenhandler, H. Krehbiel, A. Pieuchot, G. Buschhorn, D. Ozerov, J. Cvach, Ch. Niedzballa, K. Rybicki, M. Charlet, J.P. Phillips, Stefan Valkar, D. Zarbock, H. P. Wellisch, Wolfram Erdmann, L. Criegee, R. L. Lander, R. Starosta, Max Weber, T. Carli, L. N. Shtarkov, Daniel Pitzl, Christoph Grab, Hannes Jung, Alexander Zhokin, J. H. Köhne, Martin Erdmann, U. Obrock, F. Niebergall, Frank Raupach, A. Walther, A. Meyer, H. Hufnagel, F. Linsel, Peter Schacht, G. C. Lopez, R. Kaschowitz, T. Jansen, K. Stephens, E. Peppel, M. Höppner, S. Prell, J. Formánek, F. Sefkow, Ch. Ley, W. Zimmermann, S. K. Kotelnikov, E. Malinovski, A. Panitch, Gregorio Bernardi, J. Heatherington, K. C. Hoeger, T.C. Nicholls, Paul Richard Newman, Grzegorz Nowak, Gianfranco Sciacca, N. Wulff, E. Mroczko, M. Gebauer, K. Daum, M. Kuhlen, D. Feeken, C.D. Hilton, J.G. Contreras, Roland Horisberger, G. Grindhammer, A. Valkárová, D. Vandenplas, L. Hajduk, H. Rick, P. Kasselmann, S. Riess, F. Lehner, D. Newton, Anton Babaev, M. Oakden, A. Gellrich, C. Thiebaux, C. Jacobsson, E. Evrard, H. U. Martyn, Matthias Klein, V. Riech, J. Theissen, G. Rädel, F. Lamarche, Christophe Royon, G. Knies, J. Strachota, M. Hapke, H. Meyer, S. Kermiche, P. Bispham, M. Hampel, B. Kuznik, Hans Peter Beck, A. Wagener, P. Hill, J. V. Morris, G. Schmidt, J. P. Sutton, P. Di Nezza, J. Spiekermann, I. R. Kenyon, Ph. Huet, P. Goritchev, M. Jaffre, J. E. Olsson, Armen Vartapetian, Ch. Pichler, S. Reinshagen, J. Bán, J. Haack, Didier Lacour, R. Roosen, W. Bartel, J. Martyniak, Winston Ko, J. Janoth, G. Pope, G. Villet, P. Lanius, C. Pascaud, Pierre Marage, Guenter Eckerlin, B. Delcourt, R. Gerhards, André Schöning, S. Schleif, H. Spitzer, A. Rostovtsev, A. Droutskoi, F. W. Büsser, W. Braunschweig, C. Leverenz, K. H. Hiller, D. Neyret, Wolfgang Lange, Hermann Kolanoski, D. Clarke, John A Coughlan, R. Sell, Markus Seidel, A. Glazov, V. Tchernyshov, I. O. Skillicorn, H. B. Dreis, U. Krüner-Marquis, R. C. W. Henderson, J. Tutas, J. D. Burger, R. Maraček, J-P. Meyer, K. Gabathuler, A. Buniatian, D. Wegener, W.J. Haynes, L. R. West, S. Spielman, R. J. Ellison, S. Kazarian, B. Fominykh, A. Courau, P. Dixon, W. von Schlippe, U. Siewert, S. Levonian, O. Hamon, K. Rosenbauer, Horst Oberlack, T. Mavroidis, J. Duboc, B. Stella, M. Zimmer, Volker Blobel, C. Keuker, Klaus Rabbertz, Murrough Landon, A. E. Wright, Dusan Bruncko, U. Kathage, M. Forbush, S. Eichenberger, R. Prosi, V. Brisson, T. Köhler, M. W. Krasny, Vincent Boudry, T. Merz, H. Pawletta, M. Arpagaus, F. Charles, J. Katzy, M. F. Hess, J. Gayler, J. W. Lomas, W. Hildesheim, P. Kostka, A. Migliori, J. Bähr, R.K. Griffiths, Emmanuelle Perez, G. Lobo, Jean-Francois Laporte, J. Garvey, A. M. Fomenko, G. Thompson, R. Bernet, J. Žáček, H. E. Roloff, M. Korn, V. Efremenko, J. Turnau, M. Wagener, Eckhart Fretwurst, V. Solochenko, K. Stolze, Leif J. Jönsson, B. Naroska, R. Nahnhauer, F. Ferrarotto, D. Düllmann, H. Genzel, S. Mikocki, S. Willard, M. Steenbock, B. Schwab, K. Flamm, P. I. P. Kalmus, H. Itterbeck, P. Van Mechelen, A. Braemer, G. Müller, S. Bourov, B. Waugh, E. Barrelet, H. Lohmander, Pavel Murin, H. Grässler, David Cussans, H. Henschel, G. Weber, U. Straumann, G. Siegmon, Carl R. Brune, M. Barth, S. Mani, H. J. Behrend, J.C. Bizot, M. Goldberg, Zhen Zhang, M. J. Burton, A. Lebedev, S. Egli, M. Rietz, M. Ibbotson, E. A. De Wolf, Ch. Berger, Karlheinz Meier, C. Wittek, B. Andrieu, M. Winde, R. Beyer, Peter Robmann, Stephen Burke, L. Büngener, F. Moreau, J. Hladký, P. Uelkes, L. Johnson, J. D. Dowell, Yong Ban, V. Korbel, D. Haidt, N. 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Lindström, C. Gruber, J. Marks, Y. Vazdik, H. K. Nguyen, I. V. Gorelov, K. Müller, R. Grässler, Ch. Coutures, W. Struczinski, V.L. Hudgson, Stephen Maxfield, J. Stiewe, A. B. Clegg, R. Rylko, Andrew Mehta, N. Gogitidze, J. Ebert, M. Nyberg-Werther, J. Feltesse, T. R. Ebert, A. Fedotov, Günter Flügge, T. P. Yiou, M. zurNedden, R. Buchholz, David Milstead, C. Kiesling, P. A. Smirnov, J. Martens, A. De Roeck, A. J. Campbell, F. Kole, U. Stößlein, T. Kurča, S. Tapprogge, W.D. Dau, J. B. Dainton, Benno List, Barbara Clerbaux, J. M. Link, P. Loch, P. Verrecchia, V. Schröder, H. H. Kaufmann, Eckhard Elsen, S. Aid, Yves Sirois, D. Mercer, J. Lipinski, G. Franke, S. Masson, Laboratoire de l'Accélérateur Linéaire (LAL), Université Paris-Sud - Paris 11 (UP11)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Centre National de la Recherche Scientifique (CNRS), Laboratoire de Physique Nucléaire et de Hautes Énergies (LPNHE), Université Pierre et Marie Curie - Paris 6 (UPMC)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Paris Diderot - Paris 7 (UPD7)-Centre National de la Recherche Scientifique (CNRS), H1, and Starita, Sabine
Subjects: Nuclear and High Energy Physics, Particle physics, Photon, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], Astrophysics::High Energy Astrophysical Phenomena, Hadron, FOS: Physical sciences, Parton, 01 natural sciences, law.invention, High Energy Physics - Experiment, Nuclear physics, High Energy Physics - Experiment (hep-ex), law, Energy flow, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Rapidity, 010306 general physics, Collider, Nuclear Experiment, Physics, 010308 nuclear & particles physics, HERA, Deep inelastic scattering, High Energy Physics::Experiment
Abstract: Photon-proton ($\gamma p$) interactions with~$Q^25$~GeV$^2$ are studied at the high energy electron-proton collider HERA. The transverse energy flow and relative rates of large rapidity gap events are compared in the two event samples. The observed similarity between $\gamma p$ and $\gamma^* p$ interactions can be understood in a picture where the photon develops as a hadronic object. The transverse energy density measured in the central region of the collision, at $\eta^*=0$ in the $\gamma^* p$ centre of mass frame, is compared with data from hadron-hadron interactions as function of the CMS energy of the collision., Comment: 15 pages, latex, 4 figures appended as uuencoded file
Published: 1995
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46. MEASUREMENT OF CROSS-SECTIONS AND LEPTONIC FORWARD-BACKWARD ASYMMETRIES AT THE Z-POLE AND DETERMINATION OF ELECTROWEAK PARAMETERS

Author: S. X. Wu, M. Yzerman, M. Gruenewald, F. Ferroni, Jun Guo, Lamberto Luminari, I. Vorobiev, D. DiBitonto, Y. Zeng, Ph. Rosselet, M. Redaelli, B. Lindemann, Marcel Merk, M. Steuer, U. K. Chaturvedi, J. Weber, Giovanni Ambrosi, Y. S. Lu, F. Cesaroni, M. Chamizo, J. Perrier, Georgi Sultanov, T. S. Dai, J. Y. Liao, K. Banicz, D. Perret-Gallix, R. A. Khan, R. Fabbretti, R. C. Ball, S. Easo, Emilio Leonardi, Bolek Wyslouch, J. H. Field, C. Y. Chien, A. Kirkby, C. Li, Marco Meschini, Raffaello D'Alessandro, V. Plyaskin, R. Bock, G. Sartorelli, D. Kirkby, Chenjie Gu, C. F. He, Luca Lista, D. Fernandez, Leonardo Merola, M. T. Dova, L. Baksay, F. Cotorobai, Werner Lustermann, Dimitri Bourilkov, Yu. Galaktionov, J. Alcaraz, Juven Wang, Yanwen Liu, Willis Lin, T. Azemoon, Cheng Chen, A. Mihul, C. Zaccardelli, W. W. Kinnison, V. P. Andreev, S. C. Yeh, Y. J. Pei, M. Möller, H. F. Chen, Samuel C.C. Ting, H. O. Cohn, A. Pevsner, T. Paul, M. MacDermott, Christopher George Tully, Sabine Riemann, Marcos Cerrada, Y. Mi, P. J. Li, A. M. Cartacci, R. Raghavan, B. De La Cruz, Axel König, G. Passaleva, M. Chemarin, A. Buytenhuijs, C. Burgos, P. Lebrun, M. A. Niaz, Jianming Qian, G. Hu, G. M. Chen, P. Schmitz, Wolfgang Lohmann, G. Alkhazov, Laurent Vuilleumier, A. C. Weber, BT Bouwens, H. El Mamouni, M. Acciarri, M. Wadhwa, L. Antonov, G. Chiefari, S. Shevchenko, K. Freudenreich, H. Vogt, B. Bertucci, X. T. Cui, N. E. Moulai, P. Extermann, G. Landi, S. C. Kim, Stefan Kirsch, S. Röhner, A. Favara, P. Lecomte, Christoph Schäfer, I. Leedom, B. Z. Yang, Z. Z. Xu, J. Wenninger, H. A. Rizvi, U. Uwer, A. Kunin, H. Hofer, G. Chen, K. L. Tung, G. Mirabelli, Pierluigi Paolucci, M. Gailloud, X. R. Shi, P. Arce, V. Pojidaev, J. Salicio, D. Goujon, C. Spartiotis, J. M. Ma, Hafeez R Hoorani, F. Behner, Andrea Baschirotto, Nicanor Colino, S. Pensotti, R. Leiste, A. Arefiev, L. Romero, Christoph Paus, R. Barillère, A. Lebedev, Dong-Chul Son, T. 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T., Vetlitsky, I., Viertel, G., Vikas, P., Vikas, U., Vivargent, M., Vogel, H., Vogt, H., Vorobiev, I., Vorobyov, A. A., Vuilleumier, L., Wadhwa, M., Wallraff, W., Wang, J. C., Wang, C. R., Wang, X. L., Wang, Y. F., Wang, Z. M., Weber, A., Weber, J., Weill, R., Wenninger, J., White, M., Willmott, C., Wittgenstein, F., Wright, D., S. X., Wu, Wynhoff, S., Wyslouch, B., Xie, Y. Y., J. G., Xu, Z. Z., Xu, Xue, Z. L., Yan, D. S., Yang, B. Z., Yang, C. G., Yang, G., C. H., Ye, J. B., Ye, Ye, Q., Yeh, S. C., Yin, Z. W., You, J. M., Yunus, N., Yzerman, M., Zaccardelli, C., Zemp, P., Zeng, M., Zeng, Y., Zhang, D. H., Zhang, Z. P., Zhou, B., Zhou, G. J., Zhou, J. F., Zhu, R. Y., Zichichi, A., B. C. C., Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), CMS, Institut de Physique des 2 Infinis de Lyon (IP2I Lyon), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), and L3
Subjects: Particle physics, E+E ANNIHILATION, Physics and Astronomy (miscellaneous), FERMION PAIR PRODUCTION, LUND MONTE-CARLO, Electron–positron annihilation, Hadron, 7. Clean energy, 01 natural sciences, JET FRAGMENTATION, Nuclear physics, BHABHA SCATTERING, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], la̵rge hadron collider, RADIATIVE-CORRECTIONS, Partículas Elementales, 010306 general physics, Engineering (miscellaneous), GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries), Ciencias Exactas, Boson, Physics, 010308 nuclear & particles physics, TAU-POLARIZATION, Electroweak interaction, High Energy Physics::Phenomenology, Física, Weinberg angle, CARLO EVENT GENERATOR, W-BOSON MASS, L3 detector, Higgs boson, High Energy Physics::Experiment, Neutrino, PHOTON CORRECTIONS, Particle Physics - Experiment, Lepton
Abstract: We report on the measurement of the leptonic and hadronic cross sections and leptonic forward-backward asymmetries at theZ peak with the L3 detector at LEP. The total luminosity of 40.8 pb−1 collected in the years 1990, 1991 and 1992 corresponds to 1.09·106 hadronic and 0.98·105 leptonic Z decays observed. These data allow us to determine the electroweak parameters. From the cross sections we derive the properties of the Z boson: MZ=91195 ± 9 MeVΓZ=2494 ± 10 MeV Γhad=1748 ± 10 MeVΓℓ=83.49 ± 0.46MeV assuming lepton universality. We obtain an invisible width of Γinv=496.5 ± 7.9 MeV which, in the Standard Model, corresponds to a number of light neutrino species of Nv=2.981 ± 0.050. Using also the three leptonic forward-backward asymmetries and the average tau polarization, we determine the effective vector and axial-vector coupling constants of the neutral weak current to charged leptons to be: g¯ℓv=−0.0378+0.0045−0.0042 g¯ℓA=−0.4998 ± 0.0014. Within the framework of the Standard Model, and including our measurements of the Z→b¯b forward-backward asymmetry and partial decay width, we derive an effective electroweak mixing angle of sin2¯θW=0.2326 ± 0.0012 . We obtain an estimate for the strong coupling constant, αS=0.142 ± 0.013 and for the top-quark mass,mt =158+32−40 ± 19(Higgs) GeV, where the second error arises due to the uncertainty in the Higgs-boson mass., Facultad de Ciencias Exactas
Published: 1994

47. Measurement of Inclusive Production of Neutral Hadrons From Z-decays

Author: M. ACCIARRI, A. ADAM, O. ADRIANI, M. AGUILARBENITEZ, S. AHLEN, J. ALCARAZ, G. ALVERSON, G. AMBROSI, Q. AN, H. ANDERHUB, A. L. ANDERSON, V. P. ANDREEV, T. ANGELESCU, L. ANTONOV, D. ANTREASYAN, G. ALKHAZOV, P. ARCE, A. AREFIEV, T. AZEMOON, T. AZIZ, P. V. K., P. BAGNAIA, J. A. BAKKEN, L. BAKSAY, R. C. BALL, S. BANERJEE, K. BANICZ, J. BAO, R. BARILLERE, L. BARONE, A. BASCHIROTTO, R. BATTISTON, A. BAY, F. BECATTINI, U. BECKER, F. BEHNER, G. L. BENCZE, J. BERDUGO, P. BERGES, B. BERTUCCI, B. L. BETEV, M. BIASINI, A. BILAND, G. M. BILEI, R. BIZZARRI, J. J. BLAISING, G. J. BOBBINK, R. BOCK, A. BOHM, B. BORGIA, D. BOURILKOV, M. BOURQUIN, D. BOUTIGNY, B. BOUWENS, E. BRAMBILLA, J. G. BRANSON, V. BRIGLJEVIC, I. C. BROCK, M. BROOKS, A. BUJAK, J. D. BURGER, W. J. BURGER, C. BURGOS, J. BUSENITZ, A. BUYTENHUIJS, A. BYKOV, X. D. CAI, M. CAPELL, M. CARIA, G. CARLINO, A. M. CARTACCI, J. CASAUS, R. CASTELLO, N. CAVALLO, M. CERRADA, F. CESARONI, M. CHAMIZO, Y. H. CHANG, U. K. CHATURVEDI, M. CHEMARIN, A. CHEN, C. CHEN, G. CHEN, G. M. CHEN, H. F. CHEN, H. S. CHEN, M. CHEN, C. Y. CHIEN, M. T. CHOI, S. CHUNG, C. CIVININI, J. CLARE, R. CLARE, T. E. COAN, H. O. COHN, G. COIGNET, N. COLINO, A. CONTIN, S. COSTANTINI, F. COTOROBAI, B. DELACRUZ, X. T. CUI, X. Y. CUI, T. S. DAI, R. DALESSANDRO, R. DEASMUNDIS, A. DEGRE, K. DEITERS, E. DENES, P. DENES, F. DENOTARISTEFANI, D. DIBITONTO, M. DIEMOZ, H. R. DIMITROV, C. DIONISI, M. DITTMAR, L. DJAMBAZOV, M. T. DOVA, E. DRAGO, D. DUCHESNEAU, P. DUINKER, I. DURAN, S. EASO, H. ELMAMOUNI, A. ENGLER, F. J. EPPLING, F. C. ERNE, P. EXTERMANN, R. FABBRETTI, M. FABRE, S. FALCIANO, S. J. FAN, A. FAVARA, J. FAY, M. FELCINI, T. FERGUSON, D. FERNANDEZ, G. FERNANDEZ, F. FERRONI, H. FESEFELDT, E. FANDRINI, J. Y. H., F. FILTHAUT, P. H. FISHER, G. FORCONI, L. FREDJ, K. FREUDENREICH, W. FRIEBEL, M. FUKUSHIMA, M. GAILLOUD, Y. GALAKTIONOV, E. GALLO, S. N. GANGULI, P. GARCIAABIA, S. GENTILE, N. GHEORDANESCU, S. GIAGU, S. GOLDFARB, Z. F. GONG, D. E. 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G., Mazumdar, K., Mcbride, P., Mcmahon, T., Mcnally, D., Merk, M., Merola, Leonardo, Meschini, M., Metzger, W. J., Mi, Y., Mihul, A., Mills, G. B., Mir, Y., Mirabelli, G., Mnich, M., Mnich, J., Moller, M., Monteleoni, B., Morand, R., Morganti, S., Moulai, N. E., Mount, R., Mulelr, S., Nagy, E., Napolitano, Marco, Nessitedaldi, F., Newman, H., Niaz, M. A., Nippe, A., Nowak, H., Organtini, G., Pandoulas, D., Paoletti, S., Paolucci, P., Pascale, G., Passaleva, G., Patricelli, Sergio, Paul, T., Pauluzzi, M., Paus, C., Pauss, F., Pei, Y. J., Pensotti, S., Perretgallix, D., Perrier, J., Pevsner, A., Piccolo, D., Pieri, M., Pinto, J. C., Piroue, P. A., Plasil, F., Plyaskin, V., Pohl, M., Pojidaev, V., Postema, H., Z. D., Qi, Qian, J. M., Qureshi, K. N., Raghavan, R., Rahalcallot, G., Rancoita, P. G., Rattaggi, M., Raven, G., Razis, P., Read, K., Redaelli, M., Ren, D., Ren, Z., Rescigno, M., Reucroft, S., Ricker, A., Riemann, S., Riemers, B. C., Riles, K., Rind, O., Rizvi, H. A., Ro, S., Robohm, A., Rodriguez, F. J., Roe, B. P., Rohner, M., Rohner, S., Romero, L., Rosierlees, S., Rosmalen, R., Rosselet, P., Vanrossum, W., Roth, S., Rubbia, A., Rubio, J. A., Rykaczewski, H., Sachwitz, M., Salicio, J., Salicio, J. M., Sanchyez, E., Sanders, G. S., Santocchia, A., Sarakinos, M. S., Sartorelli, G., Sassowsky, M., Sauvage, G., Schafer, C., Schegelsky, V., Schmitz, D., Schmitz, P., Schneegans, M., Schnolz, N., Schopper, Y., Schotanus, D. J., Shotkin, S., Schreiber, H. J., Shukla, J., Schulte, R., Schultze, K., Schwenke, J., Schwering, G., Sciacca, Crisostomo, Scott, I., Sehgal, R., Seiler, P. G., Sens, J. C., Servoli, L., Sheer, I., Shen, D. Z., Shevchenko, S., Shi, X. R., Shumilov, E., Shoutko, V., Soin, D., Sopczak, A., Soulimov, V., Spartiotis, C., Spickermann, T., Spillantini, P., Starosta, R., Steuer, M. N., Stickland, D. P., Sticozzi, F., Stone, H., Strauch, K., Sudhakar, K., Sultanov, G., Sun, L. Z., Susinno, G. F., Suter, H., Swain, J. D., Syed, A. A., Tang, X. W., Taylor, L., S. C. C., Ting, S. M., Toker, O., Tonutti, M., Tonwar, S. C., Toth, J., Tsaregorodtsev, A., Tsipolitis, G., Tully, C., Tung, K. L., Tuuva, T., Ulbgricht, J., Urban, L., Uwer, U., Valente, E., Vandewalle, R. T., Vetlitsky, I., Viertel, G., Vikas, P., Vikas, U., Vivargent, M., Vogel, H., Vogt, H., Vorobiev, I., Vorobyov, A. A., Vuilleumier, L., Wadhwa, M., Wallraff, W., Wang, J. C., Wang, C. R., Wang, X. L., Wang, Y. F., Wang, Z. M., Weber, A., Weber, J., Weill, R., Wenninger, J., White, M., Willmott, C., Wittgenstein, F., Wright, D., S. X., Wu, Wynhoff, S., Wyslouch, B., Xie, Y. Y., J. G., Xu, Z. Z., Xu, Xue, Z. L., Yan, D. S., Yang, B. Z., Yang, C. G., Yang, G., C. H., Ye, J. B., Ye, Ye, Q., Yeh, S. C., Yin, Z. W., You, J. M., Yunus, N., Yzerman, M., Zaccardelli, C., Zemp, P., Zeng, M., Zeng, Y., Zhang, D. H., Zhang, Z. P., Zhou, B., Zhou, G. J., Zhou, J. F., Zhu, R. Y., Zichichi, A., B. C. C., Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), CMS, Institut de Physique des 2 Infinis de Lyon (IP2I Lyon), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), L3, and L3 (IHEF, IoP, FNWI)
Subjects: Nuclear and High Energy Physics, Particle physics, LUND MONTE-CARLO, Electron–positron annihilation, Hadron, MESON PRODUCTION, Elementary particle, Parton, 7. Clean energy, 01 natural sciences, JET FRAGMENTATION, Nuclear physics, Momentum, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], PERTURBATIVE QCD, SPECTRA, 010306 general physics, Parton shower, Nuclear Experiment, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries), Ciencias Exactas, L3 EXPERIMENT, Quantum chromodynamics, Physics, 010308 nuclear & particles physics, High Energy Physics::Phenomenology, PHOTON PRODUCTION, Física, ETA-PRODUCTION, SOFT GLUONS, Mass spectrum, High Energy Physics::Experiment, E+ E ANNIHILATION, Particle Physics - Experiment
Abstract: We present a study of the inclusive production of 7r °, r I, K ° and A based on 929,000 hadronic Z decays recorded with the L3 detector at LEP. The measured inclusive momentum distributions have been compared with predictions from parton shower models as well as an analytical Quantum Chromodynamics calculation. Comparing to low energy e+e - data, we find that QCD describes the energy evolution of the hadron spectrum., Facultad de Ciencias Exactas
Published: 1994

48. Deep inelastic scattering events with a large rapidity gap at HERA

Author: F. Kole, H. P. Wellisch, M. Jaffre, J. E. Olsson, W. Bartel, J. Stiewe, F. W. Büsser, M. Vecko, B. Stella, I. O. Skillicorn, R. Maraček, W. Braunschweig, Andrew Mehta, N. Gogitidze, R. Sell, S. Kazarian, P. Biddulph, U. Siewert, C. A. Meyer, H. U. Martyn, V. Brisson, H. Grässler, M. Zimmer, S. Tapprogge, L. Criegee, Paul Richard Newman, C. Jacobsson, Michael Seidel, K. C. Hoeger, J. V. Morris, G. Schmidt, Peter Robmann, Carl R. Brune, M. Barth, J-P. Meyer, P. Goritchev, A. Lindner, J. Ebert, A. Walther, S. Eichenberger, A. M. Goodall, V. Riech, D. Milstead, J. Žáček, S. Rusakov, J. Formánek, Murrough Landon, J. Bürger, W. von Schlippe, G. Knies, H. Itterbeck, P. Van Mechelen, Laurent Favart, T. Merz, C. Dollfus, S. Schiek, E. Peppel, K. Stephens, M. Forbush, L. Goerlich, K. Rosenbauer, D. Neyret, T. Ahmed, A. Schwind, P. Ribarics, J. Baehr, M. Colombo, M. Savitsky, C. Niebuhr, M. Hapke, R. C. W. Henderson, J. R. Smith, J. Haack, M. Ibbotson, H. B. Dreis, J. Martyniak, M. W. Krasny, D. Lüke, E. Eisenhandler, Ulrich Goerlach, S. Egli, J. G. Contreras, E. Malinovski, M. Kuhlen, A. Lebedev, G. Thompson, B. Schwab, U. Kathage, K. Zuber, J. Cvach, U. Bassler, Y. Soloviev, J. Heaterington, B. Fominykh, A. Gellrich, K. Johannsen, O. Dünger, E. Perez, M. Gebauer, V. Hedberg, D. Goldner, D. Düllmann, M. Rietz, D. Haidt, D. Feeken, M. Weber, R. Horisberger, H. Bergstein, S. D. Kolya, Th. Naumann, N. Wulff, Th. Wolff, C. Royon, F. Zomer, F. Botterweck, E. Gabathuler, T.P. Yiou, S. J. McMahon, I. Sheviakov, R. Kaschowitz, Barbara Clerbaux, A. Buniatian, H. Krehbiel, S. Valkár, A. E. Wright, S. Riess, H. Duhm, G. Heinzelmann, H. J. Behrend, J.C. Bizot, M. Goldberg, D. Wegener, W.J. Haynes, S. J. Maxfield, E. Evrard, S. Prell, R. Roosen, R. Rylko, M. Fleischer, W. Hildesheim, P. Kasselmann, I. R. Kenyon, R. Gerhards, P. E. Reimer, K. Gamerdinger, Christoph Grab, R. Felst, J. Kurzhöfer, D. Schmidt, Wolfgang Lange, B. Naroska, Hermann Kolanoski, Winston Ko, D. Clarke, C. Pascaud, John A Coughlan, J. Hladký, P. Hill, J. Bán, H. Küster, L. R. West, U. Krüner-Marquis, T. Köhler, Guenter Eckerlin, C. Vallée, K. Gabathuler, S. Aid, P. Di Nezza, H. Ehrlichmann, H. Spitzer, J. M. Foster, Yves Sirois, S. Willard, G. Lindström, D. Kant, Ch. Ley, V. Boudry, Anton Babaev, R. J. Ellison, A. Valkárová, W. Zimmermann, A. Wagener, J. Feltesse, P. Baranov, J. Lipinski, S. Kermiche, Alan Campbell, G. G. Winter, M. F. Hess, G. Grindhammer, P. Steffen, Peter Schleper, E. M. Hanlon, M. Winde, P. Uelkes, V. Efremenko, S. Mikocki, J. Riedlberger, S. M. Robertson, R. Nahnhauer, E. Barrelet, L. Johnson, David Cussans, E. Wünsch, L. N. Shtarkov, M. A. Jabiol, A. Braemer, Dave Sankey, G. Franke, A. Schöning, R. D. Appuhn, P. Loch, N. Magnussen, J. Turnau, H. K. Nguyen, I. V. Gorelov, R. Grässler, Ch. Coutures, W. Struczinski, A. Panitch, G. Nowak, S. Reinshagen, C. Kiesling, E. A. De Wolf, Ch. Berger, L. Büngener, U. Krüger, Marc Besancon, A.S. Belousov, E. Sanchez, J. Janoth, A. Gruber, N. Sahlmann, G. D. Patel, H. Meyer, Max Klein, V. Schröder, D.P. Johnson, H. Shooshtari, S. Masson, T. Carli, L. Jönsson, R. Buchholz, P. A. Smirnov, K. Meier, J. Gayler, F. R. Rouse, R. Nisius, R. Bernet, L. Del Buono, J. Strachota, Vladimir Andreev, I. Herynek, S. Dagoret, A. Usik, S. Levonian, J. F. Laporte, P. Truöl, F. Lamarche, C. Schmidt, J. P. Sutton, M. Steenbock, B. Andrieu, A. B. Clegg, Volker Blobel, H. E. Roloff, C. Gruber, M. Arpagaus, K. Rybicki, Richard Lander, K. Rüter, C. Keuker, R. Marshall, Z. Zhang, Dirk Krücker, J. Ferencei, V I. Shekelyan, K. Flamm, I. Tichomirov, P. Murín, H. Hufnagel, S. Mani, H. P. Beck, O. Hamon, Kerstin Borras, R. Starosta, A. Semenov, H. H. Kaufmann, Stephen Burke, M. Höppner, C.D. Hilton, J. Duboc, P. Verrecchia, U. Seehausen, D. Lacour, R. Herma, K. Wacker, R. Steinberg, B. Gonzalez-Pineiro, K. Müller, F. Brasse, H. Lohmander, J. Garvey, J. P. Kubenka, Martin Erdmann, A. M. Fomenko, U. Obrock, F. Niebergall, V. Korbel, Dusan Bruncko, D. Mercer, F. Ferrarotto, H. Genzel, P. Van Esch, E. Elsen, A. Rostovtsev, Claus Kleinwort, G. Bertrand-Coremans, A. Wegner, F. Sefkow, P. Lanius, E. Panaro, V. Nagovizin, R. Eichler, G. Müller, C. Thiebaux, G. W. Noyes, Daniel Pitzl, E. Deffur, G. C. Lopez, P. Kostka, E. Fretwurst, B. List, T. R. Ebert, F. Raupach, A. Fedotov, Günter Flügge, A. De Roeck, F. Charles, H. Henschel, T. Kurča, P. Schacht, J. Stier, J. Marks, Y. Vazdik, S. K. Kotelnikov, M. Nyberg-Werther, L. Hajduk, B. Delcourt, T. Mavroidis, U. Stösslein, C. Leverenz, G. Cozzika, F. Eisele, J.P. Phillips, Hannes Jung, R. D. Martin, G. Pope, I. W. Walker, E. Schuhmann, H. Oberlack, G. Villet, Pierre Marage, M. Korn, A. Courau, G. Weber, U. Straumann, R. E. Taylor, G. Bernardi, G. Buschhorn, F. Linsel, Tim Greenshaw, M. Flieser, D. Newton, V. Tchernyshov, K. H. Hiller, J. Tutas, R. Prosi, G. Siegmon, F. Moreau, J. D. Dowell, A. Jacholkowska, A. Vartapetian, T. Jansen, P. I. P. Kalmus, G. Rädel, M. Hampel, B. Kuznik, Ph. Huet, Ch. Pichler, and J. Martens
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Meson, High Energy Physics::Phenomenology, Parton, Vector meson dominance, HERA, Inelastic scattering, Deep inelastic scattering, Nuclear physics, High Energy Physics::Experiment, Rapidity, Vector meson, Nuclear Experiment
Abstract: Evidence is presented using data taken with the H1 detector at HERA for a class of deep inelastic electron-proton scattering (DIS) events (5 < Q2 < 120 GeV2) at low Bjorken-x (10−4 < x < 10−2) which have almost no hadronic energy flow in a large interval of pseudo-rapidity around the proton remnant direction and which cannot be attributed to our present understanding of DIS and fluctuations in final state hadronic fragmentation. From an integrated luminosity of 273 nb−1, 734 events, that is about 5% of the total DIS sample, have no energy deposition greater than 400 MeV forward of laboratory pseudo-rapidity ηmax = 1.8 up to the largest measurable pseudo-rapidity of about 3.65. Evidence that about 10% of observed rapidity gap events are exclusive vector meson electroproduction is presented. Good descriptions of the data are obtained using models based either on a vector meson dominance like picture, which includes a large fraction of inelastic virtual photon dissociation, or on deep inelastic electron-pomeron scattering in which the partonic sub-structure of the latter is resolved.
Published: 1994

49. DETERMINATION OF QUARK ELECTROWEAK COUPLINGS FROM DIRECT PHOTON PRODUCTION IN HADRONIC Z-DECAYS

Author: D. Antreasyan, J. Mnich, Raffaello D'Alessandro, C. Grinnell, R. Leiste, Qi An, Ren-Yuan Zhu, Leonardo Merola, C. Neyer, A. Rubbia, T. Foreman, Dong-Chul Son, T. Kramer, J. J. Blaising, P. G. Rancoita, B. Monteleoni, T. Azemoon, H. Janssen, K.S. Yang, D. Linnhofer, B. N. Jin, F. Sticozzi, Mariagrazia Alviggi, C. Spartiotis, H. Nowak, Federico Carminati, P. Kapinos, Q.Y. Yang, A. Gurtu, Els Koffeman, I. Vetlitsky, H. J. Schreiber, T. Paul, H. Anderhub, P. Duinker, R. Morand, J. M. Salicio, Z. L. Xue, Marcos Cerrada, Y. J. Pei, G. M. Bilei, Peter Denes, A. Klimentov, Axel König, S. C. Tonwar, Frank Filthaut, Thomas Ferguson, W. Wallraff, Howard A. Stone, S. Easo, R. Mount, E. Brambilla, A. A. Syed, Marco Meschini, S. Banerjee, A. Hasan, Zp Zhang, D. Kirkby, Francesca Nessi-Tedaldi, Kenneth Francis Read, X. R. Shi, Felicitas Pauss, Y. D. Xu, L. Z. Sun, V. Plyaskin, S. Pensotti, Valery Schegelsky, D.N. Mao, M. Wadhwa, J. D. Burger, Christopher George Tully, Adrian Biland, M. T. Dova, D. Hauschildt, Wolfgang Lohmann, S. Rosier-Lees, H. Vogt, B. Bertucci, Ph Fisher, Roberto Battiston, H. Rykaczewski, Giovanni Organtini, S. Patricelli, S. C. Kim, Q. Ye, P. Le Coultre, H. O. Cohn, M. Boccioloni, Z. F. Gong, Nicanor Colino, G. Rahal-Callot, Wen-Gan Ma, P. Zemp, R. de Asmundis, D.W. Schmitz, G.G.G. Massaro, S. J. Fan, Claudio Luci, Y. Karyotakis, B.C. Stringfellow, S. X. Wu, K. Hangarter, A. Kasser, Robert Clare, Gerjan Bobbink, B. Borgia, J. Ulbricht, Pierluigi Paolucci, M. Gailloud, W. Kittel, X. T. Cui, A. Nippe, Yu. Galaktionov, S. Chung, J. Alcaraz, G. Schwering, U. K. Chaturvedi, Alberto Aloisio, R.B. Sutton, Ph. Rosselet, Thomas Hebbeker, Guofan Hu, D. DiBitonto, J. K. Kim, R. Starosta, D. Luckey, M. Vivargent, M. Sachwitz, Gy L. Bencze, J.A. Bakken, M. Steuer, G. Forconi, M. Yzerman, F. Crijns, S. S. Gau, T. J. Wenaus, K. Schultze, A. Ricker, Y. S. Lu, A. Malinin, P.V.K.S. Baba, J. Weber, Paul Lecoq, R. W. Kraemer, M. Napolitano, E. Soderstrom, H. S. Chen, L. Servoli, Attilio Santocchia, Jean Fay, M. Dhina, D. Boutigny, Z. Y. Lin, H. L. Zhuang, H. Suter, Reinhard W. Schulte, F. C. Erné, R.J. Wu, Roberto Castello, D. Perret-Gallix, Jérôme Rose, U. Herten, Egidio Longo, J. H. Field, C. Y. Chien, C. Li, Elemer Nagy, A. Engler, J. C. Sens, H. S. Fesefeldt, M. Fabre, M. Schneegans, D. M. Lee, J. Bao, M. M. Ilyas, X. W. Tang, I. Sheer, P. A. Piroué, W. Y. Chen, B. Zhou, L. Antonov, J.H. Wang, Zhongyukun Xu, P. K. Malhotra, H. A. Rizvi, A. Kunin, R. Barillère, Steven Ahlen, I. Clare, J. Busenitz, W. Friebel, G. Landi, M. L. Brooks, B. C.C. van der Zwaan, Simone Paoletti, D. Lanske, G. Terzi, Stefan Kirsch, Hafeez R Hoorani, Cheng Chen, Samuel C.C. Ting, W. J. Burger, C. Zaccardelli, W. W. Kinnison, S. C. Yeh, L. Romero, Tariq Aziz, J. Behrens, D. Duchesneau, P. J. Li, M. Bosetti, R.L. Sumner, T. E. Coan, J. G. Branson, P. Göttlicher, D. Z. Shen, P. Lebrun, Manjit Kaur, C. Dionisi, W. J. Metzger, T. Angelov, F. J. Rodriguez, M. Sassowsky, H. R. Gustafson, G. Passaleva, Daqiang Zhang, N. Yunus, Jun Guo, P. Vikas, B. Lindemann, G. Finocchiaro, Marcel Merk, G. Tsipolitis, BT Bouwens, Wt Lin, S. Röhner, F. Wittgenstein, J. Perrier, H. Kuijten, L. Barone, D. Gele, M. N. Kienzle-Focacci, R. Rosmalen, H. El Mamouni, M. MacDermott, Jianming Qian, G. Hu, O. Rind, F. L. Linde, G. Gratta, M. A. Niaz, M. Bourquin, K. Strauch, Y. G. Kim, X. L. Wang, A. Tsaregorodtsev, P. Arce, D. Goujon, U. Uwer, Crisostomo Sciacca, Marco Pieri, A. Arefiev, Giovanni Ambrosi, A. Chen, M. Möller, J. Salicio, Davide Piccolo, Z. W. Yin, Dimitri Bourilkov, L. Ludovici, M. Chmeissani, J. M. Ma, K. Sudhakar, An.A. Vorobyov, T. Matsuda, Bolek Wyslouch, P. Extermann, Georgi Sultanov, Carlos Willmott, Y. H. Chang, I. Leedom, B. Z. Yang, H. Hofer, N. E. Moulai, Chenjie Gu, C. F. He, H. F. Chen, Helmut Vogel, Vincenzo Innocente, E. Fiandrini, George Alverson, T. S. Dai, R. A. Khan, A. Degré, K. L. Tung, P. Bagnaia, K. Riles, Speranza Falciano, K. N. Qureshi, S. Goldfarb, A. Pevsner, A. Sopczak, A. Gougas, O. Adriani, G. Sauvage, G. Coignet, W. Krenz, V. P. Andreev, M. Chemarin, E. Drago, H. T. Li, Lucas Taylor, J. S. Kapustinsky, Harvey B Newman, G. M. Chen, M. Rattaggi, G. Chiefari, S. Shevchenko, F. Behner, K. Hilgers, R. Weill, Andrea Baschirotto, L. J. Gutay, Kajari Mazumdar, S. Khokhar, T.R. McMahon, X. J. Yan, S. Müller, R. Malik, K. Deiters, Yu. Kamyshkov, A. L. Anderson, J. M. Lubbers, J. B. Ye, F. Marion, A. Marin, Mw Gruenewald, T. Driever, Ying Wu, G. B. Mills, J. F. Zhou, C. G. Yang, N. Scholz, P. Schmitz, Zhuoxiang Ren, D. J. Schotanus, U. Becker, J. M. You, N. Produit, V. R. Krastev, M. Rescigno, G. A. Yang, B. P. Roe, I. Duran, K. Freudenreich, Xd Cai, Y. Mi, Gerard Fernandez, A. Bujak, Oliver Kornadt, M. Pohl, C. Maña, I. C. Brock, M. Caria, F. Ferroni, F. J. Eppling, L. W. Jones, D. S. Yan, Y. Zeng, Jozsef Toth, J. Lettry, H. R. Dimitrov, O. Fackler, A. Koulbardis, L. Urbán, M. Fukushima, S. M. Ting, M. Lenti, A. Nadtochy, S. Schulte, Elisabetta Gallo, V. Koutsenko, J. M. Le Goff, D. H. Wright, Chenliang Wang, G. S. Sanders, P. G. Seiler, J. A. Rubio, F. Cesaroni, Pablo Garcia-Abia, Alain Hervé, D. P. Stickland, J. Y. Liao, S. Reucroft, S. Shotkin, Emilio Leonardi, A. Bay, Y. Mir, C. H. Ye, R. Bock, Carlo Civinini, M. Maolinbay, G. Raven, X.G. Li, M. Aguilar-Benitez, R. Bizzarri, Herwig Schopper, M. White, E. Dénes, R. Sehgal, M.T. Choi, Yuehong Xie, Christine Buisson, Y. F. Wang, P. Marchesini, Z. M. Wang, Ming Zeng, Maurizio Biasini, M. Röhner, Marta Felcini, Y.F. Mao, Francesco Becattini, M. Capell, R. T. Van de Walle, I. Scott, S. N. Ganguli, M. S. Sarakinos, A. Zichichi, E. Gonzalez, M.L. Chen, S. Lanzano, Marcella Diemoz, V. K. Gupta, E. Valente, Gianpaolo Carlino, F. DeNotaristefani, D. McNally, P. Berges, X. Leytens, G. Viertel, S. Morganti, J. Schwenke, X. Y. Cui, L. Martinez-Laso, A. Atamanchuk, Lamberto Luminari, R. C. Ball, Pierre Lecomte, G. Sartorelli, Werner Lustermann, Charles Timmermans, D. Pandoulas, T. Spickermann, Bernard Ille, Jwu E. Chen, J. D. Swain, P. McBride, A. Böhm, A. C. Weber, G. Mirabelli, K. Lübelsmeyer, Piero Spillantini, F. Plasil, Mingshui Chen, M. Pauluzzi, D. Ren, J. Shukla, U. Vikas, A. Contin, Igor Vorobiev, M. Hebert, Panos A Razis, A. M. Cartacci, F. Marzano, R. Raghavan, Stéphane Jézéquel, Simonetta Gentile, Laurent Vuilleumier, J. Berdugo, Z.Q. Yang, M. Guanziroli, J. P. Martin, L. Baksay, E. Shumilov, V. Shoutko, B. C. Riemers, K. S. Kumar, M. Tonutti, G. H. Wang, J. Wenninger, V. Pojidaev, R. Fabbretti, Luca Lista, D. Fernandez, Yanwen Liu, Sabine Riemann, A. Krivshich, B. L. Betev, S. Beingessner, IHEF (IoP, FNWI), Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), CMS, Institut de Physique des 2 Infinis de Lyon (IP2I Lyon), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), L3, Adriani, O., Aguilar-Benitez, M., Ahlen, S., Alcaraz, J., Aloisio, A., Alverson, G., Alviggi, M. 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W., Kramer, T., Krastev, V. R., Krenz, W., Krivshich, A., Kuijten, H., Kumar, K. S., Kunin, A., Landi, G., Lanske, D., Lanzano, S., Lebrun, P., Lecomte, P., Lecoq, P., Le Coultre, P., Lee, D. M., Leedom, I., Le Goff, J. M., Leiste, R., Lenti, M., Leonardi, E., Lettry, J., Leytens, X., Li, C., Li, H. T., Li, P. J., Li, X. G., Liao, J. Y., Lin, W. T., Lin, Z. Y., Linde, F. L., Lindemann, B., Linnhofer, D., Lista, L., Liu, Y., Lohmann, W., Longo, E., Lu, Y. S., Lubbers, J. M., Lübelsmeyer, K., Luci, C., Luckey, D., Ludovici, L., Luminari, L., Lustermann, W., Ma, J. M., Ma, W. G., Macdermott, M., Malhotra, P. K., Malik, R., Malinin, A., Maña, C., Mao, D. N., Mao, Y. F., Maolinbay, M., Marchesini, P., Marion, F., Marin, A., Martin, J. P., Martinez-Laso, L., Marzano, F., Massaro, G. G. G., Matsuda, T., Mazumdar, K., Mcbride, P., Mcmahon, T., Mcnally, D., Merk, M., Merola, L., Meschini, M., Metzger, W. J., Mi, Y., Mills, G. 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Subjects: Physics, Quark, Particle physics, Nuclear and High Energy Physics, Photon, 010308 nuclear & particles physics, Hadron, Electroweak interaction, Mathematics::History and Overview, High Energy Physics::Phenomenology, 01 natural sciences, Standard Model, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], Production (computer science), High Energy Physics::Experiment, 010306 general physics, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries), Particle Physics - Experiment
Abstract: We report on a comparison of isolated hard photon production in hadronic Z decays with the predictions of a next-to-leading order matrix-element calculation. We constrain the quark electroweak couplings to the Z boson with a simultaneous fit to three direct photon distributions, and combine this result with an independent constraint from our measurement of the total hadronic width of the Z, obtaining cu = 0.92 ± 0.22 and cd = 1.63 ± 0.15 where c u,d = 4( g V 2 + g A 2 ) u,d . Our results are consistent with standard model predictions.
Published: 1993

50. Search for Lepton Flavor Violation in Z-Decays

Author: Egidio Longo, G. J. Bobbink, Dimitri Bourilkov, Roberto Battiston, A. A. Syed, Y. J. Pei, J. Alcaraz, B. Ille, E. Fiandrini, B. Borgia, Z. Y. Lin, M. Rescigno, L. Urbán, A. Krivshich, S. Schulte, S. Khokhar, H. Anderhub, A. Sopczak, B. N. Jin, F. Wittgenstein, J. Ulbricht, Konrad Deiters, Z. D. Qi, W. Y. Chen, C. Dionisi, J. M. Le Goff, Pablo Garcia-Abia, W. Friebel, M. Yzerman, C. Willmott, W. J. Burger, G. Forconi, Alberto Aloisio, A. Ricker, M. A. Niaz, Y. G. Kim, Maurizio Biasini, H. Kuijten, Harvey B Newman, D. P. Stickland, K. Hilgers, J. S. Kapustinsky, C. Chen, R. Becker, K. L. Tung, Jun Guo, B. Lindemann, D. H. Zhang, F. Sticozzi, C. Zaccardelli, Marcel Merk, Pierluigi Paolucci, Alain Hervé, A. Lebedev, Dong-Chul Son, Marta Felcini, George Alverson, J. C. Sens, G. Yang, P. V.K.S. Baba, A. Bay, J. D. Burger, Wt Lin, X. D. Cai, C. Li, A. Kasser, Guofan Hu, J. Busenitz, J. A. Bakken, M. Sassowsky, L. Antonov, O. Fackler, J. J. Blaising, W. W. Kinnison, S. C. Yeh, J. Perrier, Stefano Giagu, Carlo Civinini, M. N. Kienzle-Focacci, D. Perret-Galliz, R. Rosmalen, M. Maolinbay, G. Raven, L. Djambazov, B. L. Betev, C. R. Wang, D. Duchesneau, I. Sheer, S. Reucroft, P. A. Piroué, M. Gailloud, T. Paul, M. Bourquin, Y. F. Wang, N. Yunus, Francesco Becattini, M. Brooks, M. Vivargent, M. Sachwitz, K. Strauch, M. Aguilar-Benitez, C. Gu, S. Easo, B. C.C. van der Zwaan, Maria-Teresa Dova, Raffaello D'Alessandro, Yu. Galaktionov, N. Zaitsev, A. Kunin, G. Gratta, Herwig Schopper, B. Zhou, D. Z. Shen, J. G. Xu, A. Tsaregorodtsev, C. Neyer, M. Bosetti, P. G. Rancoita, H. Postema, R. Leiste, T. J. Wenaus, F. Ferroni, Leonardo Merola, V. Plyaskin, Christoph Paus, Y. Zeng, E. Dénes, K. Y. Lee, P. Zemp, T. Azemoon, S. Chung, I. Vetlitsky, W. van Rossum, J. G. Branson, Marco Meschini, M. Wadhwa, D. J. Schotanus, G. S. Sanders, R. Klöckner, D. Kirkby, R. de Asmundis, L. Ludovici, Stefan Roth, Marcos Cerrada, H. Nowak, Adrian Biland, E. Drago, R. Morand, G. Fernandez, C. Spartiotis, A.M. Cartacci, V. R. Krastev, G. Landi, H.R. Dimitrov, G. Terzi, R. Raghavan, A. C. König, D. Antreasyan, H. T. Li, U. K. Chaturvedi, W. J. Metzger, Francesca Nessi-Tedaldi, A. Nadtochy, U. Becker, J. S. Lee, J. Tóth, K. N. Qureshi, J. Mnich, C. Maña, S. J. Fan, X. W. Tang, G. Rahal-Callot, C. Wang, M. Guanziroli, M. Möller, Fj Eppling, Davide Piccolo, P. Kapinos, P. Duinker, R. Mount, Q. An, J. A. Rubio, I. Duran, Simonetta Gentile, H. O. Cohn, A. L. Anderson, Howard A. Stone, T.S. Dai, P. Schmitz, A. Klimentov, Roberto Castello, C. Warner, G. J. Zhou, L. W. Jones, Y. S. Lu, A. Buytenhuijs, S. Goldfarb, M. Schneegans, A. Bujak, A. Engler, Z. L. Ren, M. Capell, A. Degré, K. Schultze, W. Wallraff, P. H. Fisher, C. G. Yang, Kenneth Francis Read, K. Freudenreich, H. Suter, D. Fernandez, J. Berdugo, J. T. He, H. S. Chen, X. T. Cui, H. S. Fesefeldt, E. Nagy, Christopher George Tully, J. P. Martin, D. Lanske, J. Bechtluft, Ingrid U. Scott, Z. Z. Xu, F. L. Linde, G. Chiefari, D. Hauschildt, S. Shevchenko, V. Pojidaev, Q. Ye, Jorg Wenninger, S. Banerjee, Z. F. Gong, K. Sudhakar, O. Rind, S. M. Ting, Hafeez R. Hoorani, G. B. Mills, D. Goujon, J. M. Ma, S. Pensotti, Valery Schegelsky, Antonino Zichichi, P. Razis, F. Behner, A. Pevsner, A. Rubbia, S. Ahlen, Andrea Baschirotto, L. Martinez-Laso, G. Chen, I. C. Brock, X. Y. Cui, Y. Y. Xie, G. Sauvage, P. Lebrun, W. Kittel, Georgi Sultanov, J. M. Lubbers, L. Z. Sun, R. Fabbretti, Z. L. Xue, J. B. Ye, Tariq Aziz, Jianming Qian, G. Hu, M. Rattaggi, S. Wynhoff, E. Shumilov, X. L. Wang, G. M. Chen, D. H. Wright, N. Gheordanescu, G. M. Bilei, V. P. Andreev, D. Gele, V. Shoutko, A. Nippe, B. C. Riemers, H. Rykaczewski, Giovanni Organtini, Andrea Contin, M. Chemarin, T. E. Coan, X. R. Shi, Alexander Malinin, Felicitas Pauss, P. Spillantini, Tobias Kramer, P. Vikas, S. Patricelli, Wolfgang Lohmann, Sabine Riemann, M. Fabre, S. Rosier-Lees, R. Barillère, P. Le Coultre, E. Koffeman, M. Tonutti, U. Vikas, B. Monteleoni, Georgios Tsipolitis, K. Hangarter, Igor Vorobiev, H. Vogt, B. Bertucci, L. Fredj, J. K. Kim, R. Starosta, Gy L. Bencze, W.G. Ma, Reinhard W. Schulte, M. Hebert, Y. H. Chang, Crisostomo Sciacca, Marco Pieri, B. P. Roe, J. Bao, P. G. Seiler, Y. Mir, E. Valente, S. C. Kim, Attilio Santocchia, Jean Fay, S. N. Ganguli, M. Dhina, D. McNally, N. E. Moulai, G. Viertel, H. A. Rizvi, Oliver Kornadt, M. Pohl, J. M. You, M. Caria, Nicanor Colino, V. K. Gupta, Hans J. Vogel, S. Morganti, A. Koulbardis, R. Malik, J. Schwenke, D. Pandoulas, V. Koutsenko, T. Spickermann, Michael Dittmar, Giovanni Ambrosi, Charles Leggett, A. Atamanchuk, I. Clare, S. Ro, R. Bizzarri, F. DeNotaristefani, A. Böhm, G. Coignet, D. S. Yan, Lamberto Luminari, R. Sehgal, Luciano Romero, P. Berges, R. C. Ball, Pierre Lecomte, H. R. Gustafson, Marcella Diemoz, G. Sartorelli, C. F. He, G. Schwering, Werner Lustermann, B. Wysłouch, H. Janssen, P. Arce, A. C. Weber, S. C. Tonwar, Kajari Mazumdar, F. Plasil, G. F. Susinno, T.R. McMahon, S. Müller, E. Gonzalez, Frank Filthaut, G. Mirabelli, H.F. Chen, Patricia McBride, J. M. Salicio, M. Pauluzzi, H. El Mamouni, B. C. Stringfellow, Thomas Ferguson, Samuel C.C. Ting, F. Cesaroni, M. Zeng, J. Y. Liao, G. Passaleva, M. W. Gruenewald, I. Josa-Mutuberria, P. Marchesini, M. M. Ilyas, K. Lübelsmeyer, V. Soulimov, J. F. Zhou, M. MacDermott, Emilio Leonardi, A. Marin, P. Extermann, D. M. Lee, B. Z. Yang, H. Hofer, Yueh-Feng Liu, R. Bock, L. Gutay, M. S. Sarakinos, R. A. Khan, R. Weill, M. Röhner, D. Ren, Z. W. Yin, A. Arefiev, E. Gallo, J. Shukla, F. Cotorobai, V. Innocente, M. Lenti, G. Carlino, Zheng Wang, Y. Karyotakis, S. Lanzano, R. T. Van de Walle, M. Chen, Martin White, D. Boutigny, John Swain, K. Riles, J. Salico, Peter Denes, M. T. Choi, F. Marzano, Paolo Bagnaia, W. Krenz, Stefan Kirsch, F. J. Rodriguez, A. Gougas, Simone Paoletti, S. X. Wu, Manjit Kaur, An.A. Vorobyov, Y. Mi, D. DiBitonto, F. Marion, Ph. Rosselet, J. H. Field, C. Y. Chien, C. H. Ye, M. Steuer, A. Kirkby, O. Adriani, J. Weber, Lucas Taylor, J. Behrens, P. J. Li, D. Luckey, BT Bouwens, M. G. Alviggi, Zhiqing Zhang, F. C. Erné, U. Uwer, A. Chen, T. Angelescu, Ren-Yuan Zhu, Luciano Barone, L. Vuilleumier, D.W. Schmitz, G. Pascale, A. Gurtu, H. J. Schreiber, M. Fukushima, S. Shotkin, E. Brambilla, B. Hartmann, Yu. Kamyshkov, A. Hasan, G.G.G. Massaro, Claudio Luci, Robert Clare, S. Jezequel, Speranza Falciano, Thomas Hebbeker, Paul Lecoq, R. W. Kraemer, I. Leedom, A. Mihul, K. S. Kumar, M. Napolitano, L. Servoli, IHEF (IoP, FNWI), Flores, Sylvie, Adriani, O., Aguilarbenitez, M., Ahlen, S., Alcaraz, J., Aloisio, Alberto, Alverson, G., Alviggi, Mariagrazia, Ambrosi, G., An, Q., Anderhub, H., Anderson, A. L., Andreev, V. P., Angelescu, T., Antonov, L., Antreasyan, D., Arce, P., Arefiev, A., Atamanchuk, A., Azemoon, T., Aziz, T., P. V. K., Bagnaia, P., Bakken, J. A., Ball, R. 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Y., Dai, T. S., Dalessandro, R., Deasmundis, R., Degre, A., Deiters, K., Denes, E., Denes, P., Denotaristefani, F., Dhina, M., Dibitonto, D., Diemoz, M., Dimitrov, H. R., Dionisi, C., Dittmar, M., Djambazov, L., Dova, M. T., Drago, E., Duchesneau, D., Duinker, P., Duran, J., Easo, S., Elmamouni, H., Engler, A., Eppling, F. J., Erne, F. C., Extermann, P., Fabbretti, R., Fabre, M., Falciano, S., Fan, S. J., Fackler, O., Fay, J., Felcini, M., Ferguson, T., Fernandez, D., Fernandez, G., Ferroni, F., Fesefeldt, H., Fiandrini, E., Field, J. H., Filthaut, F., Fisher, P. H., Forconi, G., Fredj, L., Freudenreich, K., Friebel, W., Fukushima, M., Gailloud, M., Galaktionov, Y., Gallo, E., Ganguli, S. N., Garciaabia, P., Gele, D., Gentile, S., Gheordanescu, N., Giagu, S., Goldfarb, S., Gong, Z. F., Gonzalez, E., Gougas, A., Goujon, D., Gratta, G., Gruenewald, M., Gu, C., Guanziroli, M., Guo, J. K., Gupta, V. K., Gurtu, A., Gustafson, H. R., Gutay, L. J., Hangarter, K., Hartmann, B., Hasan, A., Hauschildt, D., C. F., He, J. T., He, Hebbeker, T., Hebert, M., Herve, A., Hilgers, K., Hofer, H., Hoorani, H., Hu, G., G. Q., Hu, Ille, B., Ilyas, M. M., Innocente, V., Janssen, H., Jezequel, S., Jin, B. N., Jones, L. W., Josamutuberria, I., Kasser, A., Khan, R. A., Kamyshkov, Y., Kapinos, P., Kapustinsky, J. S., Karyotakis, Y., Kaur, M., Khokhar, S., Kienzlefocacci, M. N., Kim, J. K., Kim, S. C., Kim, Y. G., Kinnison, W. W., Kirkby, A., Kirkby, D., Kirsch, S., Kittel, W., Klimentov, A., Klockner, R., Konig, A. C., Koffeman, E., Kornadt, O., Koutsenko, V., Koulbardis, A., Kraemer, R. W., Kramer, T., Krastev, V. R., Krenz, W., Krivshich, A., Kuijten, H., Kumar, K. S., Kunin, A., Landi, G., Lanske, D., Lanzano, S., Lebedev, A., Lebrun, P., Lecomte, P., Lecoq, P., Lecoultre, P., Lee, D. M., Lee, J. S., Lee, K. Y., Leedom, I., Leggett, C., Legoff, J. M., Leiste, R., Lenti, M., Leonardi, E., Li, C., H. T., Li, P. J., Li, Liao, J. Y., Lin, W. T., Lin, Z. Y., Linde, F. L., Lindemann, B., Lista, L., Liu, Y., Lohmann, W., Longo, E., Y. S., Lu, Lubbers, J. M., Lubelsmeyer, K., Luci, C., Luckey, D., Ludovici, L., Luminari, L., Lustermann, W., J. M., Ma, W. G., Ma, Macdermott, M., Malik, R., Malinin, A., Mana, C., Maolinbay, M., Marchesini, P., Marion, F., Marin, A., Martin, J. P., Martinezlaso, L., Marzano, F., G. G. G., Mazumdar, K., Mcbride, P., Mcmahon, T., Mcnally, D., Merk, M., Merola, Leonardo, Meschini, M., Metzger, W. J., Mi, Y., Mihul, A., Mills, G. B., Mir, Y., Mirabelli, G., Mnich, J., Moller, M., Monteleoni, B., Morand, R., Morganti, S., Moulai, N. E., Mount, R., Muller, S., Nadtochy, A., Nagy, E., Napolitano, Marco, Nessitedaldi, F., Newman, H., Neyer, C., Niaz, M. A., Nippe, A., Nowak, H., Ogantini, G., Pandoulas, D., Paoletti, S., Paolucci, P., Pascale, G., Passaleva, G., Patricelli, Sergio, Paul, T., Pauluzzi, M., Paus, C., Pauss, F., Pei, Y. J., Pensotti, S., Perretgallix, D., Perrier, J., Pevsner, A., Piccolo, D., Pieri, M., Piroue, P. A., Plasil, F., Plyaskin, V., Pohl, M., Pojidaev, V., Postema, H., Z. D., Qi, Qian, J. M., Qureshi, K. N., Raghavan, R., Rahalcallot, G., Rancoita, P. G., Rattaggi, M., Raven, G., Razis, P., Read, K., Ren, D., Ren, Z., Rescigno, M., Reucroft, S., Ricker, A., Riemann, S., Riemers, B. C., Riles, K., Rind, O., Rizvi, H. A., Ro, S., Rodriguez, F. J., Roe, B. P., Rohner, M., Romero, L., Rosierlees, S., Rosmalen, R., Rosselet, P., Vanrossum, W., Roth, S., Rubbia, A., Rubio, J. A., Rykaczewski, H., Sachwitz, M., Salicio, J., Salicio, J. M., Sanders, G. S., Santocchia, A., Sarakinos, M. S., Sartorelli, G., Sassowsky, M., Sauvage, G., Schegelsky, V., Schmitz, D., Schmitz, P., Schneegans, M., Schopper, H., Schotanus, D. J., Shotkin, S., Schreiber, H. J., Shukla, J., Schulte, R., Schulte, S., Schultze, K., Schwenke, J., Schwering, G., Sciacca, Crisostomo, Scott, I., Sehgal, R., Seiler, P. 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X., Wu, Wynhoff, S., Wyslouch, B., Xie, Y. Y., J. G., Xu, Z. Z., Xu, Xue, Z. L., Yan, D. S., Yang, B. Z., Yang, C. G., Yang, G., C. H., Ye, J. B., Ye, Ye, Q., Yeh, S. C., Yin, Z. W., You, J. M., Yunus, N., Yzerman, M., Zaccardelli, C., Zaitsev, N., Zemp, P., Zeng, M., Zeng, Y., Zhang, D. H., Zhang, Z. P., Zhou, B., Zhou, G. J., Zhou, J. F., Zhu, R. Y., Zichichi, A., B. C. C., Laboratoire d'Annecy de Physique des Particules (LAPP), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Savoie Mont Blanc (USMB [Université de Savoie] [Université de Chambéry])-Centre National de la Recherche Scientifique (CNRS), Institut de Physique Nucléaire de Lyon (IPNL), Centre National de la Recherche Scientifique (CNRS)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3), CMS, Institut de Physique des 2 Infinis de Lyon (IP2I Lyon), Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS)-Institut National de Physique Nucléaire et de Physique des Particules du CNRS (IN2P3)-Université Claude Bernard Lyon 1 (UCBL), Université de Lyon-Université de Lyon-Centre National de la Recherche Scientifique (CNRS), and L3
Subjects: Nuclear and High Energy Physics, Particle physics, [PHYS.HEXP] Physics [physics]/High Energy Physics - Experiment [hep-ex], Electron–positron annihilation, Flavour, Z boson decays, Elementary particle, 01 natural sciences, Nuclear physics, BHABHA SCATTERING, MONTE-CARLO, 0103 physical sciences, [PHYS.HEXP]Physics [physics]/High Energy Physics - Experiment [hep-ex], RADIATIVE-CORRECTIONS, 010306 general physics, DETECTOR, GeneralLiterature_REFERENCE(e.g.,dictionaries,encyclopedias,glossaries), Ciencias Exactas, Bhabha scattering, HIGH-ENERGIES, Physics, 010308 nuclear & particles physics, Branching fraction, High Energy Physics::Phenomenology, lepton flavour violation, Física, lcsh:QC1-999, MODEL, Z(0) DECAYS, Large Electron–Positron Collider, High Energy Physics::Experiment, PHOTON CORRECTIONS, TAU, lepton pairs, Event (particle physics), Particle Physics - Experiment, lcsh:Physics, Lepton
Abstract: We have searched for lepton flavour violation in Z boson decays into lepton pairs using all data collected with the L3 detector during the 1990, 1991 and 1992 runs on an event sample corresponding to 1 500 000 2?s produced. At the 95% confidence level the upper limits on the branching ratio for Z--,etz is 0.6X 10 -s, for Z--.er this is 1.3X 10 -5 and for Z--*/zT this is 1.9X 10 -s., Facultad de Ciencias Exactas
Published: 1993

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