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1. Measurement of charm production in antineutrino charged-current interactions

Author: Onengüt, G, Van Dantzig, R, De Jong, M, Konijn, J, Melzer, O, Oldeman, R G C, Pesen, E, Van der Poel, C A F J, Visschers, J L, Güler, M, Köse, U, Serin-Zeyrek, M, Kama, S, Sever, R, Tolun, P, Zeyrek, M T, Catanesi, M G, De Serio, M, Ieva, M, Muciaccia, M T, Radicioni, E, Simone, S, Bülte, A, Winter, Klaus, Van de Vyver, B, Vilain, P, Wilquet, G, Saitta, B, Di Capua, E, Ogawa, S, Shibuya, H, Artamonov, A V, Brunner, J, Chizhov, M, Cussans, D G, Doucet, M, Fabre, Jean-Paul, Hristova, I R, Kawamura, T, Kolev, D, Litmaath, M, Meinhard, H, Panman, J, Papadopoulos, I M, Ricciardi, S, Rozanov, A, Saltzberg, D, Tsenov, R V, Uiterwijk, J W E, Zucchelli, P, Goldberg, J, Chikawa, M, Arik, E, Song, J S, Yoon, C S, Kodama, K, Ushida, N, Aoki, S, Hara, T, Delbar, T, Favart, D, Grégoire, G, Kalinin, S, Makhlyoueva, I V, Gorbunov, P, Khovanskii, V D, Shamanov, V V, Tsukerman, I, Bruski, N, Frekers, D, Rondeshagen, D, Wolff, T, Hoshino, K, Kawada, J, Komatsu, M, Miyanishi, M, Nakamura, M, Nakano, T, Narita, K, Niu, K, Niwa, K, Nonaka, N, Sato, O, Toshito, T, Buontempo, S, Cocco, A G, D'Ambrosio, N, De Lellis, G, De Rosa, G, Di Capua, F, Ereditato, A, Fiorillo, G, Marotta, A, Messina, M, Migliozzi, P, Pistillo, C, Santorelli, R, Scotto-Lavina, L, Strolin, P, Tioukov, V, Nakamura, K, Okusawa, T, Dore, U, FLoverre, P, Ludovici, L, Maslennikov, A L, Righini, P, Rosa, G, Santacesaria, R, Satta, A, Spada, F R, Barbuto, E, Bozza, C, Grella, G, Romano, G, Sirignano, C, Sorrentino, S, Sato, Y, Tezuka, I, Other Research IHEF (IoP, FNWI), UCL - SC/PHYS - Département de physique, Çukurova Üniversitesi, Önengüt, G., van Dantzig, R., de Jong, M., Melzer, O., Oldeman, R. G. C., Pesen, E., Visschers, J. L., Güler, M., Köse, U., Serin Zeyrek, M., Sever, R., Tolun, P., Zeyrek, M. T., Catanesi, M. G., De Serio, M., Ieva, M., Muciaccia, M. T., Radicioni, E., Simone, S., Bülte, A., Winter, K., Van de Vyver, B., Vilain, P., Wilquet, G., Saitta, B., Di Capua, E., Ogawa, S., Shibuya, H., Artamonov, A., Chizhov, M., Doucet, M., Hristova, I. R., Kayis Topaksu, A., Kawamura, T., Kolev, D., Meinhard, H., Panman, J., Papadopoulos, I. M., Ricciardi, S., Rozanov, A., Tsenov, R., Uiterwijk, J. W. E., Zucchelli, P., Goldberg, J., Chikawa, M., Arik, E., Song, J. S., Yoon, C. S., Kodama, K., Ushida, N., Aoki, S., Hara, T., Delbar, T., Favart, D., Grégoire, G., Kalinin, S., Makhlioueva, I., Gorbunov, P., Khovansky, V., Shamanov, V., Tsukerman, I., Bruski, N., Frekers, D., Hoshino, K., Kawada, J., Komatsu, M., Miyanishi, M., Nakamura, M., Nakano, T., Narita, K., Niu, K., Niwa, K., Nonaka, N., Sato, O., Toshito, T., Buontempo, S., Cocco, A. G., D'Ambrosio, N., De Lellis, G., De Rosa, G., DI CAPUA, Francesco, Ereditato, A., Fiorillo, Giuliana, Marotta, A., Messina, M., Migliozzi, P., Pistillo, C., Scotto Lavina, L., Strolin, P., Tioukov, V., Nakamura, K., Okusawa, T., Dore, U., Loverre, P. F., Ludovici, L., Righini, P., Rosa, G., Santacesaria, R., Satta, A., Spada, F. R., Barbuto, E., Bozza, C., Grella, G., Romano, G., Sirignano, C., Sorrentino, S., Sato, Y., Tezuka, I., G., Onengut, R. v., Dantzig, M. d., Jong, O., Melzer, R. G., C., E., Pesen, J. L., Visscher, M., Guler, U., Kose, M., Serin Zeyrek, R., Sever, P., Tolun, M. T., Zeyrek, M. G., Catanesi, M. D., Serio, M., Ieva, M. T., Muciaccia, E., Radicioni, S., Simone, A., Bulte, K., Winter, B. V., De, P., Vilain, G., Wilquet, B., Saitta, E. D., Capua, S., Ogawa, H., Shibuya, A., Artamonov, M., Chizhov, M., Doucet, I. R., Hristova, A., Kayis Topaksu, T., Kawamura, D., Kolev, H., Meinhard, J., Panman, I. M., Papadopoulo, S., Ricciardi, A., Rozanov, R., Tsenov, J. W., E., P., Zucchelli, J., Goldberg, M., Chikawa, J. S., Song, C. S., Yoon, K., Kodama, N., Ushida, S., Aoki, T., Hara, T., Delbar, D., Favart, G., Gregoire, S., Kalinin, I., Makhlioueva, P., Gorbunov, V., Khovansky, V., Shamanov, I., Tsukerman, N., Bruski, D., Freker, K., Hoshino, J., Kawada, M., Komatsu, M., Miyanishi, M., Nakamura, T., Nakano, K., Narita, K., Niu, K., Niwa, N., Nonaka, O., Sato, T., Toshito, S., Buontempo, A. G., Cocco, N., D'Ambrosio, DE LELLIS, Giovanni, DE ROSA, Gianfranca, A., Ereditato, A., Marotta, M., Messina, P., Migliozzi, C., Pistillo, L. S., Lavina, P., Strolin, V., Tioukov, K., Nakamura, T., Okusawa, U., Dore, P. F., Loverre, L., Ludovici, P., Righini, G., Rosa, R., Santacesaria, A., Satta, F. R., Spada, E., Barbuto, C., Bozza, G., Grella, G., Romano, C., Sirignano, S., Sorrentino, Y., Sato, and I., Tezuka
Subjects: Physics, NEUTRINO INTERACTIONS, CHORUS EXPERIMENT, Nuclear and High Energy Physics, Particle physics, Muon, Large Hadron Collider, Physics::Instrumentation and Detectors, High Energy Physics::Phenomenology, Charge (physics), BEAMS, EVENTS, Nuclear physics, OPPOSITE-SIGN DIMUONS, High Energy Physics::Experiment, Production (computer science), Charm (quantum number), Neutrino, Nuclear Experiment, Particle Physics - Experiment, Charged current, Beam (structure)
Abstract: During the years 1994-1997, the emulsion target of the CHORUS detector was exposed to the wide-band neutrino beam of the CERN SPS collecting about 10 6 neutrino interactions. A measurement of ?¯µ-induced charm production is performed by using the presence of a 5% ?¯µ component in the ?µ beam. The measurement takes advantage of the capability to observe the decay topology in the emulsion. The analysis is based on a sample of charged-current interactions with at least one identified muon. About 100000 were located in the emulsion target and fully reconstructed. By requiring a positive muon charge as determined by the CHORUS muon spectrometer, 32?¯µ-induced charm events were observed with an estimated background of 3.2 events. At an average antineutrino energy in the neutrino beam of 18 GeV, the charm production rate induced by antineutrinos is measured to be ?(?¯µN›µ+c¯X)/?(?¯µN›µ+X) =(5.0-0.9+1.4(stat)±0.7(syst))%. The ratio between neutral and charged charm production rates in this process is (2.6-1.0+1.7(stat)±0.8(syst)). The charm production rate as a function of the antineutrino energy is found to be in good agreement with previous results derived from di-lepton data. © 2004 Elsevier B.V. All rights reserved. Bundesministerium für Bildung und Forschung Promotion and Mutual Aid Corporation for Private Schools of Japan Grant Foundation: KRF-2003-005-C00014 Israel Science Foundation: 328/94 CERN Brussels Instituut voor Milieubeheer Instituto Nazionale di Fisica Nucleare Foundation for Fundamental Research on Matter Korean Foundation for Cancer Research We gratefully acknowledge the help and support of the neutrino-beam staff and of the numerous technical collaborators who contributed to the detector construction, operation, emulsion pouring, development, and scanning. The experiment was made possible by grants from the Institut Interuniversitaire des Sciences Nucléaires and the Interuniversitair Instituut voor Kernwetenschappen (Belgium); the Israel Science Foundation (Grant 328/94) and the Technion Vice President Fund for the Promotion of Research (Israel); CERN (Geneva, Switzerland); the German Bundesministerium für Bildung und Forschung (Germany); the Institute of Theoretical and Experimental Physics (Moscow, Russia); the Istituto Nazionale di Fisica Nucleare (Italy); the Promotion and Mutual Aid Corporation for Private Schools of Japan and Japan Society for the Promotion of Science (Japan); Korea Research Foundation Grant (KRF-2003-005-C00014) (Republic of Korea); the Foundation for Fundamental Research on Matter FOM and the National Scientific Research Organization NWO (The Netherlands); and the Scientific, and Technical Research Council of Turkey (Turkey). We gratefully acknowledge their support.
Published: 2004
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2. Measurement of D*+ production in charged-current neutrino interactions

Author: Önengüt, G., van Dantzig, R., de Jong, M., Oldeman1, R. G. C., Güler, M., Köse, U., Tolun, P., Catanesi, M. G., Muciaccia, M. T., Winter, K., Van de Vyver, B., Vilain, P., Wilquet, G., Saitta, B., Dicapua, E., Ogawa, S., Shibuya, H., Hristova, I. R., Kayis Topaksu, A., Kawamura, T., Kolev, D., Meinhard, H., Panman, J., Rozanov, A., Tsenov, R., Uiterwijk, J. W. E., Zucchelli, P., Goldberg, J., Chikawa, M., Song, J. S., Yoon, C. S., Kodama, K., Ushida, N., Aoki, S., Hara, T., Delbar, T., Favart, D., Grégoire, G., Kalinin, S., Makhlioueva, I., Artamonov, A., Gorbunov, P., Khovansky, V., Shamanov, V., Tsukerman, I., Bruski, N., Frekers, D., Hoshino, K., Kawada, J., Komatsu, M., Miyanishi, M., Nakamura, M., Nakano, T., Narita, K., Niu, K., Niwa, K., Nonaka, N., Sato, O., Toshito, T., Buontempo, S., Cocco, A. G., D'Ambrosio, N., De Lellis, G., De Rosa, G., Di Capua, F., Fiorillo, G., Marotta, A., Messina, M., Migliozzi, P., Scotto Lavina, L., Strolin, P., Tioukov, V., Okusawa, T., Dore, U., Loverre, P. F., Ludovici, L., Rosa, G., Santacesaria, R., Satta, A., Spada, F. R., Barbuto, E., Bozza, Cristiano, Grella, Giuseppe, Romano, G., Sirignano, C., Sorrentino, S., Sato, Y., Tezuka, I., Önengüt, G., van Dantzig, R., de Jong, M., Oldeman, R. G. C., Güler, M., Köse, U., Tolun, P., Catanesi, M. G., Muciaccia, M. T., Winter, K., Van de Vyver, B., Vilain, P., Wilquet, G., Saitta, B., Di Capua, E., Ogawa, S., Shibuya, H., Hristova, I. R., Kayis Topaksu, A., Kawamura, T., Kolev, D., Meinhard, H., Panman, J., Rozanov, A., Tsenov, R., Uiterwijk, J. W. E., Zucchelli, P., Goldberg, J., Chikawa, M., Song, J. S., Yoon, C. S., Kodama, K., Ushida, N., Aoki, S., Hara, T., Delbar, T., Favart, D., Grégoire, G., Kalinin, S., Makhlioueva, I., Artamonov, A., Gorbunov, P., Khovansky, V., Shamanov, V., Tsukerman, I., Bruski, N., Frekers, D., Hoshino, K., Kawada, J., Komatsu, M., Miyanishi, M., Nakamura, M., Nakano, T., Narita, K., Niu, K., Niwa, K., Nonaka, N., Sato, O., Toshito, T., Buontempo, S., Cocco, A. G., D'Ambrosio, N., De Lellis, G., De Rosa, G., DI CAPUA, Francesco, Fiorillo, Giuliana, Marotta, A., Messina, M., Migliozzi, P., Scotto Lavina, L., Strolin, P., Tioukov, V., Okusawa, T., Dore, U., Loverre, P. F., Ludovici, L., Rosa, G., Santacesaria, R., Satta, A., Spada, F. R., Barbuto, E., Bozza, C., Grella, G., Romano, G., Sirignano, C., Sorrentino, S., Sato, Y., and Tezuka, I.
Subjects: Nuclear and High Energy Physics, Physics::Instrumentation and Detectors, High Energy Physics::Experiment, Nuclear Experiment, Particle Physics - Experiment
Abstract: During the years 1994-97, the emulsion target of the CHORUS detector was exposed to the wide-band neutrino beam of the CERN SPS of 27 GeV average neutrino energy. In total about 100 000 charged-current neutrino interactions were located in the nuclear emulsion target and fully reconstructed. A high-statistics sample of neutrino interactions with a D^0 in the final state was collected. Using the decay mode D*^+ -> D ^0 \pi+ a production cross-section measurement of the D*^+ in neutrino-nucleon charged-current interactions was performed. The low Q-value of the decay was used to isolate a sample of candidate events containing a positive hadron with a small p_T with respect to the D^0 direction. A signal of 22.1 +- 5.5 D*^+ events was obtained. The D*^+ production cross-section relative to the D^0 production cross-section, \sigma(D*^+) / \sigma(D^0), was estimated to be 0.38 +- 0.09(stat) +- 0.05(syst). From this result, the fraction of D^0’s produced via the decay of a D* was deduced to be 0.63 +- 0.17. The D*^+ production cross-section relative to the \nu_\mu charged-current interaction, \sigma(D*^+) / \sigma(CC), was estimated to be [1.02 +-0.25(stat) +- 0.15(syst)]%.
Published: 2005

3. Measurement of charm production in neutrino charged-current interactions

Author: Kayis Topaksu, A., Onengut, G., Dantzig, R. V., Jong, M. D., Van Dantzig, R., De Jong, M., Oldeman, P. G. C., Oldeman, R. G. C., Guler, M., Kose, U., Tolun, P., Catanesi, M. G., Muciaccia, M. T., Winter, K., B. V., De, Van De Vyver, B., Vilain, P., Wilquet, G., Saitta, B., Capua, E. D., Di Capua, E., Ogawa, S., Shibuya, H., Hristova, I. R., Kawamura, T., Kolev, D., Meinhard, H., Panman, J., Rozanov, A., Tsenov, R., Uiterwijk, J. W. E., Zucchelli, P., Goldbergll, Goldberg, J., Chikawa, M., Song, J. S., Yoon, C. S., Kodama, K., Ushida, N., Aoki, S., Hara, T., Delbar, T., Favart, D., Gregoire, G., Kalinin, S., Makhlioueva, I., Artamonov, A., Gorbunov, P., Khovansky, V., Shamanov, V., Tsukerman, I., Bruski, N., Frekers, D., Hoshino, K., Kawada, J., Komatsu, M., Miyanishi, M., Nakamura, M., Nakano, T., Narita, K., Niu, K., Niwa, K., Nonaka, N., Sato, O., Toshito, T., Buontempo, S., Cocco, A. G., D'Ambrosio, N., Lellis, G. D., De Lellis, G., De Rosa, G., Di Capua, F., Fiorillo, G., Marotta, A., Messina, M., Migliozzi, P., Lavina, L. S., Scotto Lavina, L., Strolin, P., Tioukov, V., Okusawa, T., Dore, U., Loverre, Pier Ferruccio, Ludovici, L., Rosa, Giovanni, Capua, F. D., Dore, Ubaldo, Loverre, P. F., Rosa, G., Santacesaria, R., Satta, A., Spada, F. R., Barbuto, E., Bozza, C., Grella, G., Romano, G., Sirignano, C., Sorrentino, S., Sato, Y., Tezuka, I., Çukurova Üniversitesi, A., Kayis Topaksu, G., Önengüt, R., van Dantzig, M., de Jong, R. G. C., Oldeman, M., Güler, U., Köse, P., Tolun, M. G., Catanesi, M. T., Muciaccia, K., Winter, B., Van de Vyver, P., Vilain, G., Wilquet, B., Saitta, E., Di Capua, S., Ogawa, H., Shibuya, I. R., Hristova, T., Kawamura, D., Kolev, H., Meinhard, J., Panman, A., Rozanov, R., Tsenov, J. W. E., Uiterwijk, P., Zucchelli, J., Goldberg, M., Chikawa, J. S., Song, C. S., Yoon, K., Kodama, N., Ushida, S., Aoki, T., Hara, T., Delbar, D., Favart, G., Grégoire, S., Kalinin, I., Makhlioueva, A., Artamonov, P., Gorbunov, V., Khovansky, V., Shamanov, I., Tsukerman, N., Bruski, D., Freker, K., Hoshino, J., Kawada, M., Komatsu, M., Miyanishi, M., Nakamura, T., Nakano, K., Narita, K., Niu, K., Niwa, N., Nonaka, O., Sato, T., Toshito, S., Buontempo, A. G., Cocco, N., D'Ambrosio, DE LELLIS, Giovanni, DE ROSA, Gianfranca, DI CAPUA, Francesco, Fiorillo, Giuliana, A., Marotta, M., Messina, P., Migliozzi, L., Scotto Lavina, Strolin, PAOLO EMILIO, V., Tioukov, T., Okusawa, U., Dore, P. F., Loverre, L., Ludovici, G., Rosa, R., Santacesaria, A., Satta, F. R., Spada, E., Barbuto, C., Bozza, G., Grella, G., Romano, C., Sirignano, S., Sorrentino, Y., Sato, and I., Tezuka
Subjects: Physics, Particle physics, Muon, Large Hadron Collider, Physics::Instrumentation and Detectors, Hadron, High Energy Physics::Phenomenology, General Physics and Astronomy, FOS: Physical sciences, Hadronization, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), Nuclear emulsion, High Energy Physics::Experiment, Charm (quantum number), Neutrino, Nuclear Experiment, Charged current, Particle Physics - Experiment
Abstract: The nuclear emulsion target of the CHORUS detector was exposed to the wide-band neutrino beam of the CERN SPS of 27 GeV average neutrino energy from 1994 to 1997. In total about 100000 charged-current neutrino interactions with at least one identified muon were located in the emulsion target and fully reconstructed, using newly developed automated scanning systems. Charmed particles were searched for by a program recognizing particle decays. The observation of the decay in nuclear emulsion makes it possible to select a sample with very low background and minimal kinematical bias. 2013 charged-current interactions with a charmed hadron candidate in the final state were selected and confirmed through visual inspection. The charm production rate induced by neutrinos relative to the charged-current cross-section is measured to be sigma(nu_mu N -> mu- C X)/sigma(CC) = (5.75 +-0.32 stat +-0.30 syst)%. The charm production cross-section as a function of the neutrino energy is also obtained. The results are in good agreement with previous measurements. The charm-quark hadronization produces the following charmed hadrons with relative fractions (in %): f_Dzero = 43.7+-4.5, f_Lambda_c^plus = 19.2+-4.2, f_Dplus = 25.3+-4.2, and f_D_splus = 11.8+-4.7., 16 pages, 5 figures
Published: 2011

4. Measurements of $D^0$ production and of decay branching fractions in neutrino nucleon scattering

Author: Önengüt, G, Van Dantzig, R, De Jong, M, Oldeman, R G C, Güler, M, Köse, U, Tolun, P, Catanesi, M G, Muciaccia, M T, Winter, Klaus, Van de Vyver, B, Vilain, P, Wilquet, G, Saitta, B, Di Capua, E, Ogawa, S, Shibuya, H, Goldberg, J, Hristova, I R, Kawamura, T, Kolev, D, Kayis-Topaksu, A, Meinhard, H, Panman, J, Rozanov, A, Tsenov, R V, Zucchelli, P, Uiterwijk, J W E, Chikawa, M, Song, J S, Yoon, C S, Kodama, K, Ushida, N, Hara, T, Aoki, S, Delbar, T, Favart, D, Grégoire, G, Kalinin, S, Makhlyoueva, I V, Bruski, N, Frekers, D, Tsukerman, I, Shamanov, V V, Khovanskii, V D, Gorbunov, P, Artamonov, A V, Sato, Y, Tezuka, I, Barbuto, E, Bozza, C, Grella, G, Romano, G, Sirignano, C, Sorrentino, S, Dore, U, Loverre, P F, Ludovici, L, Rosa, G, Santacesaria, R, Satta, A, Spada, F R, Okusawa, T, Hoshino, K, Kawada, J, Komatsu, M, Miyanishi, M, Nakamura, M, Nakano, T, Narita, K, Niu, K, Niwa, K, Nonaka, N, Sato, O, Toshito, T, Buontempo, S, Cocco, A G, D'Ambrosio, N, De Lellis, G, De Rosa, G, Di Capua, F, Fiorillo, G, Marotta, A, Messina, M, Migliozzi, P, Scotto-Lavina, L, Strolin, P, and Tioukov, V
Subjects: High Energy Physics::Experiment, Particle Physics - Experiment
Abstract: During the years 1994-97, the emulsion target of the CHORUS detector was exposed to the wide-band neutrino beam of the CERN SPS of 27 GeV average neutrino energy. In total about 100 000 charged-current neutrino interactions were located in the nuclear emulsion target and fully reconstructed. From this sample of events which was based on the data acquired by new automatic scanning systems, 1048 charged-current interactions with a D^0 in the final state were selected by a pattern recognition program and confirmed as neutral-particle decays through visual inspection. The ratio of decay branching fractions of the D^0 into four-charged particles to two charged particles was measured to B(D^0 -> V4) / B(D^0 -> V2) = 0.207+- 0.004. The inclusive measurement of the observed production rate of the D^0 with a decay into four charged prongs in combination with external measurements of this topological branching ratio was used to determine the total D^0 production rate by neutrinos without additional assumption on the branching fractions. The value of this rate relative to the charged-current cross-section was found to be \sigma(D^0) / \sigma(CC) = 0.0269 +- 0.0018 +- 0.0013. In addition, the same normalization method was used to deduce the inclusive topological decay rate into final states with neutral particles only. A value of 0.218 +- 0.049 +- 0.036 was found for this branching fraction. From an observed number of three charged six-prongs events the branching ratio into six charged particles was determined to be (1.2^1.3_-0.9 +- 0.2) x 10^-3. A measurement of the energy dependence of the D^0 production by neutrinos relative to the total charged-current cross-section is also reported. This measurement was used to deduce for m_c, the effective charm-quark mass, a value of (1.42 +- 0.08) GeV/c^2.
Published: 2005

5. Measurement of fragmentation properties of charmed particle production in charged-current neutrino interactions

Author: Onengüt, G, Van Dantzig, R, De Jong, M, Konijn, J, Melzer, O, Oldeman, R G C, Pesen, E, Van der Poel, C A F J, Visschers, J L, Güler, M, Köse, U, Serin-Zeyrek, M, Kama, S, Sever, R, Tolun, P, Zeyrek, M T, Catanesi, M G, De Serio, M, Ieva, M, Muciaccia, M T, Radicioni, E, Simone, S, Bülte, A, Winter, Klaus, Van de Vyver, B, Vilain, P, Wilquet, G, Saitta, B, Di Capua, E, Ogawa, S, Shibuya, H, Artamonov, A V, Brunner, J, Chizhov, M, Cussans, D G, Doucet, M, Fabre, Jean-Paul, Hristova, I R, Kawamura, T, Kolev, D, Litmaath, M, Meinhard, H, Panman, J, Papadopoulos, I M, Ricciardi, S, Rozanov, A, Saltzberg, D, Tsenov, R V, Uiterwijk, J W E, Zucchelli, P, Goldberg, J, Chikawa, M, Arik, E, Song, J S, Yoon, C S, Kodama, K, Ushida, N, Aoki, S, Hara, T, Delbar, T, Favart, D, Grégoire, G, Kalinin, S, Makhlyoueva, I V, Gorbunov, P, Khovanskii, V D, Shamanov, V V, Tsukerman, I, Bruski, N, Frekers, D, Rondeshagen, D, Wolff, T, Hoshino, K, Kawada, J, Komatsu, M, Miyanishi, M, Nakamura, M, Nakano, T, Narita, K, Niu, K, Niwa, K, Nonaka, N, Sato, O, Toshito, T, Buontempo, S, Cocco, A G, D'Ambrosio, N, De Lellis, G, De Rosa, G, Di Capua, F, Ereditato, A, Fiorillo, G, Marotta, A, Messina, M, Migliozzi, P, Pistillo, C, Santorelli, R, Scotto-Lavina, L, Strolin, P, Tioukov, V, Nakamura, K, Okusawa, T, Dore, U, FLoverre, P, Ludovici, L, Maslennikov, A L, Righini, P, Rosa, G, Santacesaria, R, Satta, A, Spada, F R, Barbuto, E, Bozza, C, Grella, G, Romano, G, Sirignano, C, Sorrentino, S, Sato, Y, Tezuka, I, Other Research IHEF (IoP, FNWI), UCL - SC/PHYS - Département de physique, and Çukurova Üniversitesi
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Muon, Large Hadron Collider, media_common.quotation_subject, Asymmetry, Nuclear physics, Transverse plane, symbols.namesake, symbols, Feynman diagram, Nuclear emulsion, High Energy Physics::Experiment, Astrophysics::Earth and Planetary Astrophysics, Neutrino, Nuclear Experiment, Charged current, Particle Physics - Experiment, media_common
Abstract: During the years 1994-1997, the emulsion target of the CHORUS detector was exposed to the wide-band neutrino beam of the CERN SPS. In total about 100 000 charged-current neutrino interactions were located in the nuclear emulsion target and fully reconstructed. From this sample of events which was based on the data acquired by new automatic scanning systems, 1048 D0 events were selected by a pattern recognition program. They were confirmed as neutral-particle decays through visual inspection. Fragmentation properties of deep-inelastic charm production were measured using these events. Distributions of the D0 momentum, Feynman x (xF), z and tan?out, the transverse angle out of the leptonic plane defined by the muon and the neutrino, are presented. The mean value of z was measured to be =0.63±0.03(stat)±0.01(syst). From fits to the z distribution, values for the Peterson parameter ?P=0.108±0.017(stat) ±0.013(syst) and the Collins-Spiller parameter ?CS=0.21-0.04+0. 05(stat)±0.04(syst) are found. For the average value of xF we find =0.38±0.04(stat)±0.03(syst) and for the forward-backward asymmetry A=0.79±0.14(stat)±0.05(syst). The distribution of tan?out was measured with an average value =0.030±0.002. © 2004 Elsevier B.V. All rights reserved. Promotion and Mutual Aid Corporation for Private Schools of Japan CERN Grant Foundation: KRF-2003-005-C00014 Israel Science Foundation: 328/94 Bundesministerium für Bildung und Forschung Instituto Nazionale di Fisica Nucleare Foundation for Fundamental Research on Matter Korean Foundation for Cancer Research We gratefully acknowledge the help and support of the neutrino beam staff and of the numerous technical collaborators who contributed to the detector construction, operation, emulsion pouring, development, and scanning. The experiment was made possible by grants from the Institut Interuniversitaire des Sciences Nucléaires and the Interuniversitair Instituut voor Kernwetenschappen (Belgium), the Israel Science Foundation (grant 328/94) and the Technion Vice President Fund for the Promotion of Research (Israel), CERN (Geneva, Switzerland), the German Bundesministerium für Bildung und Forschung (Germany), the Institute of Theoretical and Experimental Physics (Moscow, Russia), the Istituto Nazionale di Fisica Nucleare (Italy), the Promotion and Mutual Aid Corporation for Private Schools of Japan and Japan Society for the Promotion of Science (Japan), the Korea Research Foundation Grant (KRF-2003-005-C00014) (Republic of Korea), the Foundation for Fundamental Research on Matter FOM and the National Scientific Research Organization NWO (The Netherlands), and the Scientific and Technical Research Council of Turkey (Turkey). We gratefully acknowledge their support.
Published: 2004

6. Measurement of $\Lambda^{+}_{c}$ production in neutrino charged-current interactions

Author: Kayis Topaksu, A., Onengut, G., van Dantzig, R., de Jong, M., Melzer, O., Oldeman, R. G. C., Pesen, E., Spada, F. R., Visschers, J. L., Guler, M., Kose, U., Serin Zeyrek, M., Sever, R., Tolun, P., Zeyrek, M. T., Armenise, N., Catanesi, M. G., De Serio, M., Ieva, M., Muciaccia, M. T., Radicioni, E., Simone, S., Bulte, A., Winter, K., El Aidi, R., Van de Vyver, B., Vilain, P., Wilquet, G., Saitta, B., Di Capua, E., Ogawa, S., Shibuya, H., Artamonov, A., Chizhov, M., Doucet, M., Khristova, I. R., Kawamura, T., Kolev, D., Meinhard, H., Panman, J., Papadopoulos, I. M., Ricciardi, S., Rozanov, Alexandre N., Tsenov, R., Uiterwijk, J. W. E., Zucchelli, P., Goldberg, J., Chikawa, M., Arik, E., Song, J. S., Yoon, C. S., Kodama, K., Ushida, N., Aoki, S., Hara, T., Delbar, T., Favart, D., Gregoire, G., Kalinin, S., Makhlyueva, I., Gorbunov, P., Khovansky, V., Shamanov, V., Tsukerman, I., Bruski, N., Frekers, D., Hoshino, K., Kawada, J., Komatsu, M., Miyanishi, M., Nakamura, M., Nakano, T., Narita, K., Niu, K., Niwa, K., Nonaka, N., Sato, O., Toshito, T., Buontempo, S., Cocco, A. G., D'Ambrosio, N., De Lellis, G., De Rosa, G., Di Capua, F., Ereditato, A., Fiorillo, G., Marotta, A., Messina, M., Migliozzi, P., Pistillo, C., Scotto Lavina, L., Strolin, P. E., Tyukov, V., Nakamura, K., Okusawa, T., Dore, U., Loverre, P. F., Ludovici, L., Righini, P., Rosa, G., Santacesaria, R., Satta, A., Barbuto, E., Bozza, Cristiano, Grella, Giuseppe, Romano, G., Sirignano, C., Sorrentino, S., Sato, Y., and Tezuka, I.
Subjects: High Energy Physics::Phenomenology, High Energy Physics::Experiment, Nuclear Experiment, Particle Physics - Experiment
Abstract: A measurement of $\Lambda_c^+$ production in neutrino nucleon charged-current interactions is presented. In a sub-sample of about 50 000 interactions located in the emulsion target of the CHORUS detector exposed to the wide band neutrino beam of the CERN SPS, candidates for decays of short lived particles were identified using new automatic scanning systems and later confirmed through visual inspection. Criteria based on the flight length allowed a statistical separation among the different charm species thus enabling a sample particularly rich in $\Lambda_c^+$ to be defined. At an average neutrino energy of $27$ \GeV, the product ${\sigma(\Lambda_c^+)}/{\sigma(CC)} \times BR(\Lambda_c^+ \rightarrow 3p) $ was measured to be $(0.37 \pm 0.10(stat) \pm 0.02(syst) ) \times 10^{-2}$, while the values of $(1.54\pm0.35(stat)\pm0.18(syst) ) \times 10^{-2} $ and of $0.24 \pm 0.07(stat) \pm 0.04(syst)$ were obtained for ${\sigma(\Lambda_c^+)}/{\sigma(CC)}$ and $BR(\Lambda_c^+ \rightarrow 3p)$ respectively.
Published: 2003

7. New results from a search for $\nu_{\mu} \to \nu_{\tau}$ and $\nu_{e} \to \nu_{\tau}$ oscillation

Author: Eskut, E, Kayis-Topaksu, A, Onengüt, G, Van Dantzig, R, De Jong, M, Konijn, J, Melzer, O, Oldeman, R G C, Pesen, E, Van der Poel, C A F J, Uiterwijk, J W E, Visschers, J L, Güler, M, Serin-Zeyrek, M, Sever, R, Tolun, P, Zeyrek, M T, Armenise, N, Cassol, F, Catanesi, M G, De Serio, M, Muciaccia, M T, Radicioni, E, Righini, P, Simone, S, Vivolo, L, Bülte, A, Winter, Klaus, Annis, P, El-Aidi, R, Van der Donckt, M, Van de Vyver, B, Vilain, P, Wilquet, G, Saitta, B, Di Capua, E, Ishii, Y, Kazuno, M, Ogawa, S, Shibuya, H, Brunner, J, Chizhov, M V, Cussans, D G, Doucet, M, Fabre, Jean-Paul, Flegel, Wilfried, Litmaath, M, Meinhard, H, Niu, E, Øverås, H, Panman, J, Papadopoulos, I M, Ricciardi, S, Rozanov, A N, Saltzberg, D, Strolin, P, Tsenov, R V, Weinheimer, C, Wong, H, Zucchelli, P, Goldberg, J, Chikawa, M, Arik, E, Mailov, A A, Song, J S, Yoon, C S, Kodama, K, Ushida, N, Aoki, S, Hara, T, Brooijmans, G, Favart, D, Grégoire, G, Hérin, J, Artamonov, S A, Gorbunov, P, Khovanskii, V D, Shamanov, V V, Tsukerman, I S, Bonekämper, D, D'Ambrosio, N, Frekers, D, Rondeshagen, D, Wolff, T, Hoshino, K, Komatsu, M, Kotaka, Y, Kozaki, T, Miyanishi, M, Nakamura, M, Nakano, T, Niu, K, Niwa, K, Obayashi, Y, Sato, O, Toshito, T, Bruski, N, Buontempo, S, Cocco, A G, De Lellis, G, Di Capua, F, Ereditato, A, Fiorillo, G, Kawamura, T, Listone, R, Messina, M, Migliozzi, P, Palladino, Vittorio, Tioukov, V, Nakamura, K, Okusawa, T, Capone, A, De Pedis, D, Di Liberto, S, Dore, U, Loverre, P F, Ludovici, L, Maslennikov, A L, Piredda, G, Rosa, G, Santacesaria, R, Satta, A, Spada, F R, Barbuto, E, Bozza, C, Grella, G, Romano, G, Sorrentino, S, Sato, Y, and Tezuka, I
Subjects: Particle Physics - Experiment
Abstract: A first analysis of the complete set of data collected by CHORUS in the years 1994-1997 is presented. The search for $\nut$ charged current events has been performed for both leptonic and hadronic decays of the $\tauu$ lepton. No $\tauu$ candidate has been found. A $\numtonut$ mixing is excluded down to $\sin2t$ = $6.8 \times 10^{-4}$ for large $\dm2$ (90\%~C.L.).
Published: 2000

8. Observation of neutrino induced diffractive $D_s^{+}$ production and subsequent decay $D_s^{+} \to D_s^+ \to \tau^+ \to \mu^+$

Author: Annis, P, Aoki, S, Artamonov, S A, Barbuto, E, Di Bartolomeo, A, Bonekämper, D, Bozza, C, Brooijmans, G, Brunner, J, Bülte, A, Buontempo, S, Capone, A, Cassol, F, Catanesi, M G, Chikawa, M, Cocco, A G, Cussans, D G, D'Ambrosio, N, Van Dantzig, R, De Lellis, G, De Pedis, D, Di Capua, E, Dore, U, El-Aidi, R, Ereditato, A, Favart, D, Ferreira, R, Fiorillo, G, Frekers, D, Goldberg, J, Gorbunov, P, Grégoire, G, Grella, G, Hara, T, Hérin, J, Hoshino, K, Iovane, G, Ishi, Y, De Jong, M, Kawamura, T, Kayis, A, Kazuno, M, Khovanskii, V D, Kodama, K, Komatsu, M, Konijn, J, Kotaka, Y, Kozaki, T, Litmaath, M, Loverre, P F, Ludovici, L, Meinhard, H, Melzer, O, Messina, M, Migliozzi, P, Miyanishi, M, Muciaccia, M T, Nakamura, K, Nakamura, M, Nakano, T, Niu, E, Niu, K, Niwa, K, Obayashi, Y, Ogawa, S, Okusawa, T, Oldeman, R G C, Onengüt, G, Øverås, H, Palladino, Vittorio, Panman, J, Papadopoulos, I M, Park, I G, Pesen, E, Piredda, G, Van der Poel, C A F J, Radicioni, E, Ricciardi, S, Righini, P, Romano, G, Rondeshagen, D, Rosa, G, Saltzberg, D, Saitta, B, Santacesaria, R, Sato, O, Sato, Y, Satta, A, Shamanov, V V, Shibuya, H, Simone, S, Song, J S, Sorrentino, S, Strolin, P, Tezuka, I, Tioukov, V, Tolun, P, Toshito, T, Tsenov, R V, Uiterwijk, J W E, Ushida, N, Van der Donckt, M, Van de Vyver, B L, Vilain, P, Visschers, J L, Vivolo, L, Weinheimer, C, Wilquet, G, Winter, Klaus, Wolff, T, Wong, H, Yoon, C S, Zeyrek, M T, and Zucchelli, P
Subjects: High Energy Physics::Phenomenology, High Energy Physics::Experiment, Particle Physics - Experiment
Abstract: We report on the first direct observation of a neutrino induced charged-current interaction with two subsequent decays of short-lived particles close to the interaction vertex. This rare double- kink signature in the CHORUS emulsion target is interpreted as a $D_s^{*+}$ production followed by the decay chain $D_s^{*+} \rightarrow D_s^+ \gamma, D_s^+ \rightarrow \tau^+ \nu_\tau ,$ \linebr eak $\tau^+\rightarrow \mu^+\nu_\mu\bar{\nu_\tau}$. The event is characterised by small $Q^2$ and small four-momentum transfer squared $t$ to the target nucleon, which indicates a diffractive pr oduction mechanism. A complete analysis of the event is presented.
Published: 1998

9. Spin asymmetries $A_1$ and structure functions $g_1$ of the proton and the deuteron from polarized high energy muon scattering

Author: Adeva, B, Akdogan, T, Arik, E, Arvidson, A, Badelek, B, Bardin, G, Baum, G, Berglund, P, Betev, L, Birsa, R, Björkholm, P, De Botton, N R, Boutemeur, M, Bradamante, Franco, Bravar, A, Bressan, A, Bültmann, S, Burtin, E, Cavata, C, Crabb, D, Cranshaw, J, Çuhadar-Dönszelmann, T, Dalla Torre, S, Van Dantzig, R, Derro, B R, Deshpande, A A, Dhawan, S K, Dulya, C M, Dyring, A, Eichblatt, S, Faivre, Jean-Claude, Fasching, D, Feinstein, F, Fernández, C, Forthmann, S, Frois, Bernard, Gallas, A, Garzón, J A, Gilly, H, Giorgi, M A, von Goeler, E, Görtz, S, Golutvin, I A, Gracia, G, De Groot, N, Grosse-Perdekamp, M, Haft, K, Von Harrach, D, Hasegawa, T, Hautle, P, Hayashi, N, Heusch, C A, Horikawa, N, Hughes, V W, Igo, G, Ishimoto, S, Iwata, T, Kabuss, E M, Kageya, T, Karev, A G, Kessler, H J, Ketel, T, Kiryluk, J, Kiryushin, Yu T, Kishi, A, Kiselev, Yu F, Klostermann, L, Krämer, Dietrich, Krivokhizhin, V G, Kröger, W, Kukhtin, V V, Kurek, K, Kyynäräinen, J, Lamanna, M, Landgraf, U, Le Goff, J M, Lehár, F, de Lesquen, A, Lichtenstadt, J, Lindqvist, T, Litmaath, M, Loewe, M, Magnon, A, Mallot, G K, Marie, F, Martin, A, Martino, J, Matsuda, T, Mayes, B W, McCarthy, J S, Medved, K S, Meyer, W T, Van Middelkoop, G, Miller, D, Miyachi, Y, Mori, K, Moromisato, J H, Nagaitsev, A P, Nassalski, J P, Naumann, Lutz, Niinikoski, T O, Oberski, J, Ogawa, A, Ozben, C, Pereira, H, Perrot-Kunne, F, Peshekhonov, V D, Piegia, R, Pinsky, L, Platchkov, S K, Pló, M, Pose, D, Postma, H, Pretz, J, Puntaferro, R, Pussieux, T, Rädel, G, Rijllart, A, Reicherz, G, Roberts, J, Rock, S E, Rodríguez, M, Rondio, Ewa, Ropelewski, Leszek, Sabo, I, Saborido, J, Sandacz, A, Savin, I A, Schiavon, R P, Schiller, A, Schüler, K P, Seitz, R, Semertzidis, Y K, Sergeev, S, Shanahan, P, Sichtermann, E P, Simeoni, F, Smirnov, G I, Staude, A, Steinmetz, A, Stiegler, U, Stuhrmann, H B, Szleper, M, Tessarotto, F, Thers, D, Tlaczala, W, Tripet, A, Ünel, G, Velasco, M, Vogt, J, Voss, Rüdiger, Whitten, C, Windmolders, R, Willumeit, R, Wislicki, W, Witzmann, A, Ylöstalo, J, Zanetti, A M, Zaremba, K, Zamiatin, N I, and Zhao, J
Subjects: High Energy Physics::Experiment, Particle Physics - Experiment
Abstract: We present the final results of the spin asymmetries $A_1$ and the spin structure functions $g_1$ of the proton and the deuteron in the kinematic range $0.0008
Published: 1998

10. Search for $\nu_\mu \to \nu_\tau$ oscillation using the $\tau$ decay modes into a single charged particle

Author: Eskut, E, Kayis, A, Onengüt, G, Van Dantzig, R, De Jong, M, Konijn, J, Melzer, O, Oldeman, R G C, Van der Poel, C A F J, Uiterwijk, J W E, Visschers, J L, Güler, M, Serin-Zeyrek, M, Sever, R, Tolun, P, Zeyrek, M T, Armenise, N, Cassol, F, Catanesi, M G, Muciaccia, M T, Radicioni, E, Simone, S, Vivolo, L, Bülte, A, Patzak, T, Winter, Klaus, Annis, P, El-Aidi, R, Gruwé, M, Mommaert, C, Van der Donckt, M, Van de Vyver, B L, Vilain, P, Wilquet, G, Righini, P, Saitta, B, Di Capua, E, Luppi, C, Zucchelli, P, Ishi, Y, Kawamura, T, Kazuno, M, Ogawa, S, Shibuya, H, Brunner, J, Cussans, D G, Fabre, Jean-Paul, Ferreira, R, Flegel, Wilfried, Litmaath, M, Macina, Daniela, Meijer-Drees, R, Meinhard, H, Migliozzi, P, Niu, E, Øverås, H, Panman, J, Papadopoulos, I M, Pesen, E, Riccardi, F, Ricciardi, S, Rozanov, A N, Saltzberg, D, Strolin, P, Tsenov, R V, Weinheimer, C, Wong, H, Goldberg, J, Höpfner, K, Chikawa, M, Arik, E, Mailov, A A, Jang, H I, Park, I G, Song, J S, Yoon, C S, Kodama, K, Ushida, N, Aoki, S, Hara, T, Brooijmans, G, Favart, D, Grégoire, G, Hérin, J, Artamonov, S A, Gorbunov, P, Khovanskii, V D, Shamanov, V V, Bonekämper, D, Frekers, D, Rondeshagen, D, Wolff, T, Hoshino, K, Kobayashi, M, Komatsu, M, Kotaka, Y, Kozaki, T, Miyanishi, M, Nakamura, M, Nakazawa, K, Nakano, T, Niu, K, Niwa, K, Obayashi, Y, Sato, O, Toshito, T, Buontempo, S, Cocco, A G, D'Ambrosio, N, De Lellis, G, Ereditato, A, Fiorillo, G, Garufi, F, Messina, M, Palladino, Vittorio, Sorrentino, S, Tioukov, V, Nakamura, K, Okusawa, T, Yoshida, T, Capone, A, De Pedis, D, Di Liberto, S, Dore, U, Loverre, P F, Ludovici, L, Maslennikov, A M, Mazzoni, M A, Piredda, G, Santacesaria, R, Satta, A, Barbuto, E, Di Bartolomeo, A, Bozza, C, Grella, G, Iovane, G, Romano, G, Rosa, G, Sato, Y, and Tezuka, I
Subjects: High Energy Physics::Phenomenology, High Energy Physics::Experiment, Particle Physics - Experiment
Abstract: Part of the neutrino events collected in 1994-1995 by the CHORUS experiment has been analysed. A search was performed for $\nu_{\tau}$ charged current interactions followed by the $\tau$ lepton deca y into a single charged negative hadron, a possible indication for $\numtonut$ oscillation. A sample of 6,844 events without an identified muon has been located in the emulsion target. Within the s election criteria, no $\tau^-$ candidate has been found. Combining this result with the one from the search for $\nu_\tau$ interactions using the muonic decay mode (36,182 events with an identified muon), a 90\% C.L. limit on the mixing angle $\sin2t < 1.8\cdot 10^{-3}$ (at large $\Delta m^2$) has been derived.
Published: 1998

11. A Search for $\nu_\mu \to \nu_\tau$ Oscillation

Author: Eskut, E, Kayis, A, Onengüt, G, Van Dantzig, R, De Jong, M, Konijn, J, Melzer, O, Oldeman, R G C, Van der Poel, C A F J, Uiterwijk, J W E, Visschers, J L, Ayan, A S, Pesen, E, Serin-Zeyrek, M, Sever, R, Tolun, P, Zeyrek, M T, Armenise, N, Cassol, F, Catanesi, M G, Muciaccia, M T, Radicioni, E, Simone, S, Vivolo, L, Bülte, A, Lendermann, P, Meyer-Sievers, A, Patzak, T, Winter, Klaus, Annis, P, Gruwé, M, Mommaert, C, Van der Donckt, M, Van de Vyver, B L, Vilain, P, Wilquet, G, Righini, P, Saitta, B, Di Capua, E, Luppi, C, Zucchelli, P, Ishi, Y, Kawamura, T, Kazuno, M, Ogawa, S, Shibuya, H, Beyer, R, Brunner, J, Cussans, D G, Fabre, Jean-Paul, Ferreira, R, Flegel, Wilfried, Gurin, R, Litmaath, M, Ludovici, L, Macina, Daniela, Meijer-Drees, R, Meinhard, H, Migliozzi, P, Niu, E, Øverås, H, Panman, J, Papadopoulos, I M, Riccardi, F, Riccardi, S, Rozanov, A N, Saltzberg, D, Santacesaria, R, Stefanini, G, Tsenov, R V, Weinheimer, C, Wong, H, Goldberg, J, Höpfner, K, Chikawa, M, Arik, E, Birol, I, Mailov, A A, Hahn, C H, Jang, H I, Park, I G, Park, M S, Song, J S, Yoon, C S, Kodama, K, Ushida, N, Aoki, S, Hara, T, Brooijmans, G, Favart, D, Grégoire, G, Hérin, J, Lemaître, V, Artamonov, S A, Gorbunov, P, Khovanskii, V D, Shamanov, V V, Smirnitsky, A V, Bonekämper, D, Frekers, D, Rondeshagen, D, Wolff, T, Hoshino, K, Kobayashi, M, Kotaka, Y, Kozaki, T, Miyanishi, M, Nakamura, M, Nakazawa, K, Nakano, T, Niu, K, Niwa, K, Obayashi, Y, Sato, O, Toshito, T, Buontempo, S, Cocco, A G, D'Ambrosio, N, De Lellis, G, Ereditato, A, Fiorillo, G, Garufi, F, Marchetti-Stasi, F, Messina, M, Palladino, Vittorio, Sorrentino, S, Strolin, P, Nakamura, K, Okusawa, T, Yoshida, T, Capone, A, De Pedis, D, Di Liberto, S, Dore, U, Loverre, P F, Maslennikov, A M, Mazzoni, M A, Meddi, F, Piredda, G, Di Bartolomeo, A, Bozza, C, Grella, G, Iovane, G, Romano, G, Rosa, G, Sato, Y, and Tezuka, I
Subjects: High Energy Physics::Phenomenology, High Energy Physics::Experiment, Particle Physics - Experiment
Abstract: CHORUS is an experiment searching for $\numtonut$ oscillation in the CERN wide band neutrino beam with a {\sl hybrid} setup consisting of a nuclear emulsion target followed by electronic detectors. The experiment has been taking data from 1994 through 1997. A subset of the neutrino interactions collected in 1994 and 1995 have been analyzed, looking for $\nu_\tau$ charged current interactions where the $\tau$ lepton decays to $\mu \bar{\nu}_\mu\nu_\tau$. In a sample of 31,423 $\num$ charged current interactions, no $\nu_\tau$ candidates were found. For large $\dm2$ values, a limit on the mixing angle of $\sin2t < 3.5 \times 10^{-3}$ at $90\%$ C.L. can be set, thus improving the previous best result.
Published: 1997

12. Accurate measurement of $F_{2}^{\rm d}/F_{2}^{\rm p}$ and $R^{\rm d} - R^{\rm p}$

Author: Arneodo, M., Arvidson, A., Badełek, B., Ballintijn, M., Baum, G., Beaufays, J., Bird, I.G., Björkholm, P., Botje, M., Broggini, C., Brückner, W., Brüll, A., Burger, W.J., Ciborowski, J., van Dantzig, R., Dyring, A., Engelien, H., Ferrero, M.I., Fluri, L., Gaul, U., Granier, T., Grosse-Perdekamp, M., von Harrach, D., van der Heijden, M., Heusch, C., Ingram, Q., de Jong, M., Kabuβ, E.M., Kaiser, R., Ketel, T.J., Klein, F., Kullander, S., Landgraf, U., Lindqvist, T., Mallot, G.K., Mariotti, C., van Middelkoop, G., Milsztajn, A., Mizuno, Y., Most, A., Mücklich, A., Nassalski, J., Nowotny, D., Oberski, J., Paić, A., Peroni, C., Povh, B., Prytz, K., Rieger, R., Rith, K., Röhrich, K., Rondio, E., Ropelewski, L., Sandacz, A., Sanders, D., Scholz, C., Seitz, R., Sever, F., Shibata, T.-A., Siebler, M., Simon, A., Staiano, A., Szleper, M., Tłaczała, W., Tzamouranis, Y., Virchaux, M., Vuilleumier, J.L., Walcher, T., Windmolders, R., Witzmann, A., Zaremba, K., and Zetsche, F.
Subjects: Particle Physics - Experiment
Abstract: Results are presented for $F_{2}^{\rm d}/F_{2}^{\rm p}$ and $R^{\rm d} - R^{\rm p}$ from simultaneous measurements of deep inelastic muon scattering on hydrogen and deuterium targets, at 90, 120, 200 and 280 GeV. The difference $R^{\rm d} - R^{\rm p}$, determined in the range $0.0020.1$ the ratio decreases with $Q^{2}$. Results are presented for F 2 d / F 2 p and R d − R p from simultaneous measurements of deep inelastic muon scattering on hydrogen and deuterium targets, at 90, 120, 200 and 280 GeV. The difference R d − R p , determined in the range 0.002 < x < 0.4 at an average Q 2 of 5 GeV 2 , is compatible with zero. The x and Q 2 dependence of F 2 d / F 2 p was measured in the kinematic range 0.001 < x < 0.8 and 0.1 < Q 2 < 145 GeV 2 with small statistical and systematic errors. For x > 0.1 the ratio decreases with Q 2 . Results are presented for F2d/F2p and Rd-Rp from simultaneous measurements of deep inelastic muon scattering on hydrogen and deuterium targets, at 90, 120, 200 and 280 GeV. The difference Rd-Rp, determined in the range 0.0020.1 the ratio decreases with Q^2.
Published: 1996

13. The Structure Function Ratios F2(Li)/F2(D) and F2(C)/F2(D) at small x

Author: THE NEW MUON COLLABORATION, Arneodo, M., Arvidson, A., Badelek, B., Ballintijn, M., Baum, G., Beaufays, J., Bird, I. G., Bjorkholm, P., Botje, M., Broggini, C., Bruckner, W., Brull, A., Burger, W. J., Ciborowski, J., van~Dantzig, R., Dyring, A., Engelien, H., Ferrero, M. I., Fluri, L., Gaul, U., Granier, T., Grosse-Perdekamp, M., von~Harrach, D., van~der~Heijden, M., Heusch, C., Igo, G., Ingram, Q., Janson-Prytz, K., de~Jong, M., Kabuss, E. M., Kaiser, R., Kessler, H. J., Ketel, T. J., Klein, F., Kullander, S., Landgraf, U., Lindqvist, T., Mallot, G. K., Mariotti, C., van~Middelkoop, G., Milsztajn, A., Mizuno, Y., Most, A., Mucklich, A., Nassalski, J., Nowotny, D., Oberski, J., Paic, A., Peroni, C., Povh, B., Rieger, R., Rith, K., Rohrich, K., Rondio, E., Ropelewski, L., Sandacz, A., Sanders, D., Scholz, C., Seitz, R., Sever, F., Shibata, T. -A., Siebler, M., Simon, A., Staiano, A., Szleper, M., Tzamouranis, Y., Virchaux, M., Vuilleumier, J. L., Walcher, T., Whitten, C., Windmolders, R., Witzmann, A., and Zetsche, F.
Subjects: Nuclear and High Energy Physics, Particle physics, nuclear physics: effect, muon nucleus: deep inelastic scattering, DEUTERIUM, Analytical chemistry, FOS: Physical sciences, High Energy Physics - Experiment, High Energy Physics - Experiment (hep-ex), ELECTRON-SCATTERING, Experiment-HEP, INELASTIC MUON SCATTERING, effect: shadowing, Saturation (graph theory), deep inelastic scattering: muon nucleus, NUCLEON, Physics, Range (particle radiation), Muon, Scattering, carbon, Structure function, 200 GeV, CHARGE-DENSITY, R=SIGMA-L/SIGMA-T, CERN SPS, F2, lithium, TOTAL CROSS-SECTIONS, structure function: small-x, High Energy Physics::Experiment, spectrometer: experimental results, Particle Physics - Experiment
Abstract: We present the structure function ratios F2(Li)/F2(D) and F2(C)/F2(D) measured in deep inelastic muon-nucleus scattering at a nominal incident muon energy of 200 GeV. The kinematic range 0.0001 < x < 0.7 and 0.01< Q^2 < 70 GeV^2 is covered. For values of x less than 0.002 both ratios indicate saturation of shadowing at values compatible with photoabsorption results. We present the structure function ratios F2(Li)/F2(D) and F2(C)/F2(D) measured in deep inelastic muon-nucleus scattering at a nominal incident muon energy of 200 GeV. The kinematic range 0.0001 < x < 0.7 and 0.01< Q~2 < 70 GeV~2 is covered. For values of $x$ less than $0.002$ both ratios indicate saturation of shadowing at values compatible with photoabsorption results. We present the structure function ratios F2(Li)/F2(D) and F2(C)/F2(D) measured in deep inelastic muon-nucleus scattering at a nominal incident muon energy of 200 GeV. The kinematic range 0.0001 < x < 0.7 and 0.01< Q~2 < 70 GeV~2 is covered. For values of $x$ less than $0.002$ both ratios indicate saturation of shadowing at values compatible with photoabsorption results. We present the structure function ratios F2(Li)/F2(D) and F2(C)/F2(D) measured in deep inelastic muon-nucleus scattering at a nominal incident muon energy of 200 GeV. The kinematic range 0.0001 < x < 0.7 and 0.01< Q~2 < 70 GeV~2 is covered. For values of $x$ less than $0.002$ both ratios indicate saturation of shadowing at values compatible with photoabsorption results. We present the structure function ratios F2(Li)/F2(D) and F2(C)/F2(D) measured in deep inelastic muon-nucleus scattering at a nominal incident muon energy of 200 GeV. The kinematic range 0.0001 < x < 0.7 and 0.01< Q~2 < 70 GeV~2 is covered. For values of $x$ less than $0.002$ both ratios indicate saturation of shadowing at values compatible with photoabsorption results. We present the structure function ratios F2(Li)/F2(D) and F2(C)/F2(D) measured in deep inelastic muon-nucleus scattering at a nominal incident muon energy of 200 GeV. The kinematic range 0.0001 < x < 0.7 and 0.01< Q~2 < 70 GeV~2 is covered. For values of $x$ less than $0.002$ both ratios indicate saturation of shadowing at values compatible with photoabsorption results. We present the structure function ratios F2(Li)/F2(D) and F2(C)/F2(D) measured in deep inelastic muon-nucleus scattering at a nominal incident muon energy of 200 GeV. The kinematic range 0.0001 < x < 0.7 and 0.01< Q~2 < 70 GeV~2 is covered. For values of $x$ less than $0.002$ both ratios indicate saturation of shadowing at values compatible with photoabsorption results. We present the structure function ratios F2(Li)/F2(D) and F2(C)/F2(D) measured in deep inelastic muon-nucleus scattering at a nominal incident muon energy of 200 GeV. The kinematic range 0.0001 < x < 0.7 and 0.01< Q~2 < 70 GeV~2 is covered. For values of $x$ less than $0.002$ both ratios indicate saturation of shadowing at values compatible with photoabsorption results. We present the structure function ratios measured in deep inelastic muonnucleus scattering at a nominal incident muon energy of 200 GeV The kinematic range is covered. For values of x less than 0.002 both ratios indicate saturation of shadowing at values compatible with photoabsorption results.
Published: 1995

14. A re-evaluation of the nuclear structure function ratios for D, He, Li C and Ca

Author: Amaudruz, P., Arneodo, M., Arvidson, A., Badelek, B., Ballintijn, M., Baum, G., Beaufays, J., Bird, I.G., Björkholm, P., Botje, M., Broggini, C., Brückner, W., Brüll, A., Burger, W.J., Ciborowski, J., van Dantzig, R., Döbbeling, H., Domingo, J., Drinkard, J., Dyring, A., Engelien, H., Ferrero, M.I., Fluri, L., Gaul, U., Grafstrom, P., Granier, T., von Harrach, D., van der Heijden, M., Heusch, C., Ingram, Q., Janson-Prytz, K., de Jong, M., Kabuβ, E.M., Kaiser, R., Ketel, T.J., Klein, F., Korzen, B., Krüner, U., Kullander, S., Landgraf, U., Lettenström, F., Lindqvist, T., Mallot, G.K., Mariotti, C., van Middelkoop, G., Milsztajn, A., Mizuno, Y., Most, A., Mücklich, A., Nassalski, J., Nowotny, D., Pavel, N., Oberski, J., Paić, A., Peroni, C., Peschel, H., Povh, B., Rieger, R., Rith, K., Röhrich, K., Rondio, E., Ropelewski, L., Sandacz, A., Sanders, D., Scholz, C., Schumacher, R., Seitz, R., Sennhauser, U., Sever, F., Shibata, T.-A., Siebler, M., Simon, A., Staiano, A., Szleper, M., Taylor, G., Treichel, M., Tzamouranis, Y., Virchaux, M., Vuilleumier, J.L., Walcher, T., Windmolders, R., Witzmann, A., and Zetsche, F.
Subjects: Particle Physics - Experiment
Abstract: We present a re-evaluation of the structure function ratios F2(He)/F2(D), F2(C)/F2(D) and F2(Ca)/F2(D) measured in deep inelastic muon-nucleus scattering at an incident muon momentum of 200 GeV. We also present the ratios F2(C)/F2(Li), F2(Ca)/F2(Li) and F2(Ca)/F2(C) measured at 90 GeV. The results are based on data already published by NMC; the main difference in the analysis is a correction for the masses of the deuterium targets and an improvement in the radiative corrections. The kinematic range covered is 0.0035 < x < 0.65, 0.5 < Q^2
Published: 1995

15. Exclusive $\varrho^{0}$ and $\phi$ muoproduction at large $Q^{2}$

Author: Arneodo, M, Arvidson, A, Badelek, B, Ballintijn, M K, Baum, G, Beaufays, J, Bird, I G, Björkholm, P, Botje, M, Broggini, C, Brückner, W, Brüll, A, Burger, W J, Ciborowski, J, Van Dantzig, R, Dyring, A, Engelien, H, Ferrero, M I, Fluri, L, Gaul, U, Granier, T, Von Harrach, D, Van der Heijden, M, Heusch, C A, Ingram, Q, Janson-Prytz, K, De Jong, M, Kabuss, E M, Kaiser, R, Ketel, T, Klein, F, Kullander, Sven, Kurek, K, Landgraf, U, Lindqvist, T, Mallot, G K, Mariotti, C, Van Middelkoop, G, Mizuno, Y, Most, A, Mücklich, A, Nassalski, J P, Nowotny, D, Oberski, J, Paic, A, Peroni, C, Povh, B, Rieger, R, Rith, K, Röhrich, K, Rondio, Ewa, Ropelewski, Leszek, Sandacz, A, Sanders, D, Scholz, C, Seitz, R, Sever, F, Shibata, T A, Siebler, M, Simon, A, Staiano, A, Szleper, M, Tzamouranis, Yu, Vuilleumier, J L, Walcher, T, Windmolders, R, Witzmann, A, and Zetsche, F
Subjects: Particle Physics - Experiment
Published: 1994

16. Measurement of the spin-dependent structure function $g_{1}(x)$ of the proton

Author: Adams, D., Adeva, B., Arik, E., Arvidson, A., Badelek, B., Ballintijn, M.K., Bardin, G., Baum, Guenter, Berglund, P., Betev, L., Bird, I.G., Birsa, R., Bjorkholm, P., Bonner, B.E., de Botton, N., Bradamante, F., Bressan, A., Brull, A., Bueltmann, Stephen L., Burtin, E., Cavata, C., Clocchiatti, M., Corcoran, M.D., Crabb, D., Cranshaw, J., Crawford, M., Cuhadar, T., Dalla Torre, S., van Dantzig, R., Dhawan, S., Dulya, C., Dyring, A., Eichblatt, S., Faivre, J.C., Fasching, D., Feinstein, F., Fernandez, C., Frois, B., Garzon, J.A., Gaussiran, T., Giorgi, M., von Goeler, E., Gracia, G., de Groot, N., Grosse Perdekamp, M., Gulmez, Erhan, von Harrach, D., Hasegawa, T., Hautle, P., Hayashi, N., Heusch, C.A., Horikawa, N., Hughes, V.W., Igo, G., Ishimoto, S., Iwata, T., Kabuss, E.M., Kaiser, R., Karev, A., Kessler, H.J., Ketel, T.J., Kishi, A., Kiselev, Yu., Klostermann, L., Kramer, D., Krivokhijine, V., Kukhtin, V., Kyynarainen, J., Lamanna, M., Landgraf, U., Lau, K., Layda, T., Le Goff, J.M., Lehar, F., de Lesquen, A., Lichtenstadt, J., Lindqvist, T., Litmaath, M., Lopez-Ponte, S., Lowe, M., Magnon, A., Mallot, G.K., Marie, F., Martin, A., Martino, J., Matsuda, T., Mayes, B., McCarthy, J.S., Medved, K., van Middelkoop, G., Miller, D., Mori, K., Moromisato, J., Nagaitsev, A., Nassalski, J., Naumann, L., Niinikoski, T.O., Oberski, J.E.J., Parks, D.P., Penzo, A., Perez, G., Kunne, F., Peshekhonov, D., Piegaia, R., Pinsky, Lawrence S., Platchkov, S., Plo, M., Pose, D., Postma, H., Pretz, J., Pussieux, T., Pyrlik, J., Reyhancan, I., Rieubland, J.M., Rijllart, A., Roberts, J.B., Rock, S., Rodriguez, M., Rondio, E., Rosado, A., Sabo, I., Saborido, J., Sandacz, A., Savin, Igor A., Schiavon, P., Schuler, P., Segel, R., Seitz, R., Semertzidis, Y., Sever, F., Shanahan, P., Shumeiko, N., Smirnov, G., Staude, A., Steinmetz, A., Stiegler, U., Stuhrmann, H., Teichert, K.M., Tessarotto, F., Velasco, M., Vogt, J., Voss, R., Weinstein, R., Whitten, C., Windmolders, R., Willumeit, R., Wislicki, W., Witzmann, A., Zanetti, A.M., and Zhao, J.
Subjects: Nuclear Theory, High Energy Physics::Phenomenology, High Energy Physics::Experiment, Nuclear Experiment, Particle Physics - Experiment
Abstract: We have measured the spin-dependent structure function g_1^p of the proton in deep inelastic scattering of polarized muons off polarized protons, in the kinematic range 0.003
Published: 1994

17. Reevaluation of the Gottfried Sum

Author: Arneodo, M., Arvidson, A., Bruckner, W., Brull, A., Burger, W. J., Ciborowski, J., van Dantzig, R., Dyring, A., Engelien, H., Ferrero, M. I., Fluri, L., Gaul, U., Badelek, B., Granier, T., von Harrach, D., van der Heijden, M., Heusch, C., Ingram, C. H. Quentin, Janson-Prytz, K., de Jong, M., Kabuss, E. M., Kaiser, R., Ketel, T. J., Ballintijn, M., Klein, F., Kullander, S., Landgraf, U., Lindqvist, T., Mallot, G. K., Mariotti, C., van Middelkoop, G., Milsztajn, A., Mizuno, Y., Nassalski, J., Baum, Guenter, Oberski, J., Nowotny, D., Paic, A., Peroni, C., Povh, B., Rieger, R., Rith, K., Rohrich, K., Rondio, E., Ropelewski, L., Beaufays, J., Sandacz, A., Sanders, D., Scholz, C., Schumacher, R., Seitz, R., Sever, F., Shibata, T. A., Siebler, M., Simon, A., Staiano, A., Bird, I. G., Szleper, M., Tzamouranis, Y., Virchaux, M., Vuilleumier, J. L., Walcher, T., Windmolders, R., Witzmann, A., Zetsche, F., NMC Collaboration, Bjorkholm, P., Botje, M., and Broggini, C.
Subjects: Particle physics, difference [structure function], ratio [structure function], structure function [n], n: structure function, Gottfried [sum rule], RATIO F2(N)/F2(P), structure function [p], small-x [structure function], Combinatorics, numerical calculations: interpretation of experiments, INELASTIC MUON SCATTERING, interpretation of experiments [numerical calculations], radiative correction, ddc:530, structure function: difference, p: structure function, sum rule: Gottfried, Physics, structure function [deuteron], Structure function, deuteron: structure function, structure function: ratio, model: quark parton, x-dependence [structure function], structure function: x-dependence, structure function: small-x, quark parton [model], ELECTROMAGNETIC CORRECTIONS, Particle Physics - Experiment
Abstract: Physical review / D 50(1), R1 - R3 (1994). doi:10.1103/PhysRevD.50.R1, We present a new determination of the nonsinglet structure function ${\mathit{F}}_{2}^{\mathit{p}}$ - ${\mathit{F}}_{2}^{\mathit{n}}$ at ${\mathit{Q}}^{2}$=4 ${\mathrm{GeV}}^{2}$ using recently measured values of ${\mathit{F}}_{2}^{\mathit{d}}$ and ${\mathit{F}}_{2}^{\mathit{n}}$/${\mathit{F}}_{2}^{\mathit{p}}$. A new evaluation of the Gottfried sum is given, which remains below the simple quark-parton model value of 1/3., Published by Inst., Woodbury, NY
Published: 1994
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18. A re-evaluation of $F_{2}^{n}/F_{2}^{p}$ and $F_{2}^{p}-F_{2}^{n}$

Author: Arneodo, M, Arvidson, A, Badelek, B, Ballintijn, M K, Baum, G, Beaufays, J, Bird, I G, Björkholm, P, Botje, M, Broggini, C, Brückner, W, Brüll, A, Burger, W J, Ciborowski, J, Van Dantzig, R, Dyring, A, Engelien, H, Ferrero, M I, Fluri, L, Gaul, U, Granier, T, Von Harrach, D, Van der Heijden, M, Heusch, C A, Ingram, Q, Janson-Prytz, K, De Jong, M, Kabuss, E M, Kaiser, R, Ketel, T, Klein, F, Kullander, Sven, Landgraf, U, Lindqvist, T, Mallot, G K, Mariotti, C, Van Middelkoop, G, Milshtein, A I, Mizuno, Y, Nassalski, J P, Oberski, J, Nowotny, D, Paic, A, Peroni, C, Povh, B, Rieger, R, Rith, K, Röhrich, K, Rondio, Ewa, Ropelewski, Leszek, Sandacz, A, Sanders, D, Scholz, C, Schumacher, R, Seitz, R, Sever, F, Shibata, T A, Siebler, M, Simon, A, Staiano, A, Szleper, M, Tzamouranis, Yu, Virchaux, M, Vuilleumier, J L, Walcher, T, Windmolders, R, Witzmann, A, and Zetsche, F
Subjects: Particle Physics - Experiment
Published: 1993

19. The Gottfried sum from the ratio $F^{n}_{2}/F^{p}_{2}$

Author: Amaudruz, P A, Arneodo, M, Arvidson, A, Badelek, B, Baum, G, Beaufays, J, Bird, I G, Botje, M, Broggini, C, Brückner, W, Brüll, A, Burger, W J, Ciborowski, J, Crittenden, R, Van Dantzig, R, Döbbeling, H, Domingo, John J, Drinkard, J, Dzierba, A R, Engelien, H, Ferrero, M I, Fluri, L, Grafström, P, Von Harrach, D, Van der Heijden, M, Heusch, C A, Ingram, Q, Jacholkowska, A, Janson, K, De Jong, M, Kabuss, E M, Kaiser, R, Ketel, T, Klein, F, Korzen, B, Krüner, U, Kullander, Sven, Landgraf, U, Lettenström, F, Lindqvist, T, Mallot, G K, Mariotti, C, Van Middelkoop, G, Mizuno, Y, Nassalski, J P, Nowotny, D, Pavel, N, Peroni, C, Peschel, H, Povh, B, Rieger, R, Rith, K, Röhrich, K, Rondio, Ewa, Ropelewski, Leszek, Sandacz, A, Scholz, C, Schumacher, R, Sennhauser, U, Sever, F, Shibata, T A, Siebler, M, Simon, A, Staiano, A, Taylor, G, Treichel, M, Vuilleumier, J L, Walcher, T, Welch, K, Windmolders, R, and Zetsche, F
Subjects: Particle Physics - Experiment
Published: 1991

20. Measurement of the spin-dependent structure function g1(x) of the deuteron

Author: Alan D. Martin, T. Gaussiran, W. Grübler, E. Burtin, B. E. Bonner, J. Moromisato, Jay Roberts, M. Grosse Perdekamp, C.A. Heusch, T. Layda, J.A. Buchanan, M. Rodriguez, Rudiger Voss, Takahiro Iwata, S. Ishimoto, S. Bültmann, M. Boutemeur, D. Fasching, E. M. Kabuß, A. Magnon, S. Trentalange, F. Perrot-Kunne, D. Pose, B. Frois, F. Sever, K. Lau, J. S. McCarthy, B. W. Mayes, A. Rosado, Lawrence S. Pinsky, A. de Lesquen, G. Gracia, M. D. Corcoran, P. Schiavon, L. Ropelewski, J. Martino, Sergey M. Sergeev, Günter Baum, N. de Botton, H. Stuhrmann, J. Vogt, D. Sanders, D. Crabb, R. Seitz, F. Feinstein, T. Pussieux, S. Eichblatt, N Horikawa, L. Betev, Shafqat Ahmad, D. Peshekhonov, J. Kyynäräinen, G.S. Mutchler, E. von Goeler, J.M. Clement, J. Lichtenstadt, J. Saborido, G. Smirnov, A. Witzmann, S. K. Dhawan, I. Sabo, A. Sandacz, J. Pyrlik, P. Shanahan, M. de Jong, H. Postma, V. Kukhtin, F. Tessarotto, H. J. Kessler, P. Björkholm, G. Igo, A. Arvidson, Tjeerd Ketel, C. Dulya, S. Platchkov, N. Hayashi, J. Mitchell, C. Cavata, A. Brüll, N.I. Zamiatin, M. Plo, Vernon W. Hughes, A. Karev, David Miller, I. G. Bird, S. Lopez-Ponte, J. A. Garzon, Franco Bradamante, R. Birsa, S. Okumi, Yu. Kisselev, Ricardo Piegaia, Roy Weinstein, M. Giorgi, A. Kishi, W. Knop, R. Windmolders, L. Klostermann, S. Dalla Torre, M. Lowe, C. Garabatos, B. Neganov, I. Savin, T. Lindqvist, M. Clocchiatti, Y. Tzamouranis, Aldo Penzo, Gerhard K. Mallot, A. Steinmetz, W. Thiel, L. Gatignon, Patrick Hautle, T. Çuhadar, G. Bardin, M. Ballintijn, J. M. Rieubland, J. Nassalski, K.M. Teichert, A. Yañez, Wojciech Wislicki, M. Lamanna, Donal Day, Guillermo Mesa Perez, I.A. Goloutvin, T. O. Niinikoski, B. Badelek, C. Fernandez, J. Cranshaw, Per Berglund, Julien Faivre, Andrés Gómez, I. Kiryushin, J. Oberski, A. Staude, J. P. Chen, V. Krivokhijine, F. Lehar, Ulrich Landgraf, Alessandro Bressan, D. von Harrach, Mayda Velasco, F. Marie, R. van Dantzig, G. van Middelkoop, C. A. Whitten, P. Schuler, K. Mori, R. Kaiser, Anna Zanetti, R. Segel, A. Rijllart, Bernardo Adeva, A. Dyring, L. Naumann, T. Hasegawa, E. Rondio, G. Salvato, M. Litmaath, Adeva, B., Ahmad, S., Arvidson, A., Badelek, B., Ballintijn, M. K., Bardin, G., Baum, G., Berglund, P., Betev, L., Bird, I. G., Birsa, Renato, Björkholm, P., Bonner, B. E., de Botton, N., Boutemeur, M., Bradamante, Franco, Bressan, Andrea, Brüll, A., Buchanan, J., Bültmann, S., Burtin, E., Cavata, C., Chen, J. P., Clement, J., Clocchiatti, M., Corcoran, M. D., Crabb, D., Cranshaw, J., Çuhadar, T., DALLA TORRE, Silvia, van Dantzig, R., Day, D., Dhawan, S., Dulya, C., Dyring, A., Eichblatt, S., Faivre, J. C., Fasching, D., Feinstein, F., Fernandez, C., Frois, B., Garabatos, C., Garzon, J. A., Gatignon, L., Gaussiran, T., Giorgi, Marcello, von Goeler, E., Goloutvin, I. A., Gomez, A., Gracia, G., Grosse Perdekamp, M., Grübler, W., von Harrach, D., Hasegawa, T., Hautle, P., Hayashi, N., Heusch, C. A., Horikawa, N., Hughes, V. W., Igo, G., Ishimoto, S., Iwata, T., de Jong, M., Kabuß, E. M., Kaiser, R., Karev, A., Kessler, H. J., Ketel, T. J., Kiryushin, I., Kishi, A., Kisselev, Y. u., Klostermann, L., Knop, W., Krivokhijine, V., Kukhtin, V., Kyynäräinen, J., Lamanna, M., Landgraf, U., Lau, K., Layda, T., Lehar, F., de Lesquen, A., Lichtenstadt, J., Lindqvist, T., Litmaath, M., Lopez Ponte, S., Lowe, M., Magnon, A., Mallot, G. K., Marie, F., Martin, Anna, Martino, J., Mayes, B., Mccarthy, J. S., van Middelkoop, G., Miller, D., Mitchell, J., Mori, K., Moromisato, J., Mutchler, G. S., Nassalski, J., Naumann, L., Neganov, B., Niinikoski, T. O., Oberski, J. E. J., Okumi, S., Penzo, A., Perez, G., Perrot Kunne, F., Peshekhonov, D., Piegaia, R., Pinsky, L., Platchkov, S., Plo, M., Pose, D., Postma, H., Pussieux, T., Pyrlik, J., Rieubland, J. M., Rijllart, A., Roberts, J. B., Rodriguez, M., Rondio, E., Ropelewski, L., Rosado, A., Sabo, I., Saborido, J., Salvato, G., Sandacz, A., Sanders, D., Savin, I., Schiavon, Paolo, Schüler, P., Segel, R., Seitz, R., Sergeev, S., Sever, F., Shanahan, P., Smirnov, G., Staude, A., Steinmetz, A., Stuhrmann, H., Teichert, K. M., Tessarotto, F., Thiel, W., Trentalange, S., Tzamouranis, Y., Velasco, M., Vogt, J., Voss, R., Weinstein, R., Whitten, C., Windmolders, R., Wislicki, W., Witzmann, A., Yañez, A., Zamiatin, N. I., and Zanetti, A. M.
Subjects: deuteron: polarized target, Nuclear and High Energy Physics, INELASTIC E-P, POLARIZED PROTONS, SUM-RULE, SCATTERING, ELECTROPRODUCTION, ASYMMETRY, Proton, polarized target: deuteron, deep inelastic scattering: muon deuteron, structure function: spin, muon deuteron: deep inelastic scattering, Nuclear physics, MODEL, TheoryofComputation_ANALYSISOFALGORITHMSANDPROBLEMCOMPLEXITY, Neutron, polarized beam: muon, Spin-½, Physics, Quantum chromodynamics, spin: structure function, Muon, Scattering, deuteron: structure function, nucleon: structure function, CERN SPS, Deep inelastic scattering, moment, magnetic spectrometer: experimental results, approx. 100 GeV, Sum rule in quantum mechanics, muon: polarized beam, Particle Physics - Experiment
Abstract: We report on the first measurement of the spin-dependent structure function g1d of the deuteron in the deep inelastic scattering of polarised muons off polarised deuterons, in the kinematical range 0.006222. The first moment, Γ1d=sh{phonetic}01 g1d dx=0.023±0.020 (stat.) ± 0.015 (syst.), is smaller than the prediction of the Ellis-Jaffe sum rules. Using earlier measurements of g1p, we infer the first moment of the spin-dependent neutron structure function g1n. The difference Γ1p-Γ1n=0.20 ±0.05 (stat.) ± 0.04 (syst.) agrees with the prediction of the Bjorken sum rule, Γ1p-Γ1n=0.191 ±0.002.
Published: 1993
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21. Associated charm production in neutrino-nucleus interactions

Author: A. G. Cocco, N. Nonaka, H. Meinhard, Denis Favart, V. Shamanov, C. Sirignano, P. Strolin, L. Ludovici, A. Kayis-Topaksu, M. T. Muciaccia, B. Van de Vyver, Motoaki Miyanishi, K. Hoshino, S. Sorrentino, Y. Sato, S. Ogawa, J. Panman, J. Kawada, Ghislain Grégoire, S. Buontempo, P. Zucchelli, Ilya Tsukerman, F. Di Capua, T. Hara, P. Gorbunov, D. Kolev, Osamu Sato, A. Rozanov, G. Romano, M. de Jong, Gulsen Onengut, N. Ushida, Mitsuhiro Nakamura, E. Di Capua, M. G. Catanesi, A. Artamonov, K. Niu, Koichi Kodama, Emiliano Barbuto, V. Tioukov, Murat Guler, G. Rosa, R. Tsenov, Gaston Wilquet, J. Goldberg, A. Marotta, P. Tolun, Nicola D'Ambrosio, K. Narita, R. van Dantzig, P. Migliozzi, A. Satta, C. S. Yoon, Cristiano Bozza, Michiyuki Chikawa, J. W. E. Uiterwijk, J. S. Song, F. R. Spada, B. Saitta, U. Kose, I. Makhlioueva, G. Fiorillo, Ivana Hristova, R. Santacesaria, G. De Rosa, S. Kalinin, U. Dore, I. Tezuka, N. Bruski, D. Frekers, T. Kawamura, K. Winter, H. Shibuya, G. Grella, Toshiyuki Nakano, G. De Lellis, K. Niwa, Th. Delbar, Masahiro Komatsu, T. Okusawa, T. Toshito, L. Scotto Lavina, Rudolf Oldeman, Shigeki Aoki, P. F. Loverre, V. Khovansky, Pierre Vilain, Çukurova Üniversitesi, A., Kayis Topaksu, G., Onengut, R. v., Dantzig, M. d., Jong, R. G., C., M., Guler, U., Kose, P., Tolun, M. G., Catanesi, M. T., Muciaccia, K., Winter, B. v., De, P., Vilain, G., Wilquet, B., Saitta, E. D., Capua, S., Ogawa, H., Shibuya, I. R., Hristova, T., Kawamura, D., Kolev, H., Meinhard, J., Panman, A., Rozanov, R., Tsenov, J. W., E., P., Zucchelli, J., Goldberg, M., Chikawa, J. S., Song, C. S., Yoon, K., Kodama, N., Ushida, S., Aoki, T., Hara, T., Delbar, D., Favart, G., Gregoire, S., Kalinin, I., Makhlioueva, A., Artamonov, P., Gorbunov, V., Khovansky, V., Shamanov, I., Tsukerman, N., Bruski, D., Freker, K., Hoshino, J., Kawada, M., Komatsu, M., Miyanishi, M., Nakamura, T., Nakano, K., Narita, K., Niu, K., Niwa, N., Nonaka, O., Sato, T., Toshito, S., Buontempo, A. G., Cocco, N., D'Ambrosio, DE LELLIS, Giovanni, DE ROSA, Gianfranca, F. D., Capua, Fiorillo, Giuliana, A., Marotta, P., Migliozzi, L. S., Lavina, P., Strolin, V., Tioukov, T., Okusawa, U., Dore, P. F., Loverre, L., Ludovici, G., Rosa, R., Santacesaria, A., Satta, F. R., Spada, E., Barbuto, C., Bozza, G., Grella, G., Romano, C., Sirignano, S., Sorrentino, Y., Sato, I., Tezuka, UCL - SC/PHYS - Département de physique, Kayis Topaksu, A., Önengüt, G., van Dantzig, R., de Jong, M., Oldeman, R. G. C., Güler, M., Köse, U., Tolun, P., Catanesi, M. G., Muciaccia, M. T., Winter, K., Van de Vyver, B., Vilain, P., Wilquet, G., Saitta, B., Di Capua, E., Ogawa, S., Shibuya, H., Hristova, I. R., Kawamura, T., Kolev, D., Meinhard, H., Panman, J., Rozanov, A., Tsenov, R., Uiterwijk, J. W. E., Zucchelli, P., Goldberg, J., Chikawa, M., Song, J. S., Yoon, C. S., Kodama, K., Ushida, N., Aoki, S., Hara, T., Delbar, T., Favart, D., Grégoire, G., Kalinin, S., Makhlioueva, I., Artamonov, A., Gorbunov, P., Khovansky, V., Shamanov, V., Tsukerman, I., Bruski, N., Frekers, D., Hoshino, K., Kawada, J., Komatsu, M., Miyanishi, M., Nakamura, M., Nakano, T., Narita, K., Niu, K., Niwa, K., Nonaka, N., Sato, O., Toshito, T., Buontempo, S., Cocco, A. G., D’Ambrosio, N., De Lellis, G., De Rosa, G., DI CAPUA, Francesco, Marotta, A., Migliozzi, P., Scotto Lavina, L., Strolin, P., Tioukov, V., Okusawa, T., Dore, U., Loverre, P. F., Ludovici, L., Rosa, G., Santacesaria, R., Satta, A., Spada, F. R., Barbuto, E., Bozza, C., Grella, G., Romano, G., Sirignano, C., Sorrentino, S., Sato, Y., and Tezuka, I.
Subjects: Quark, Particle physics, Physics and Astronomy (miscellaneous), FOS: Physical sciences, High Energy Physics - Experiment, Nuclear physics, EVENTS, High Energy Physics - Experiment (hep-ex), SEARCH, SCATTERING, PARTICLES, Nuclear emulsion, TRIMUON PRODUCTION, Charm (quantum number), TEVATRON, Engineering (miscellaneous), OSCILLATION, Physics, Muon, Neutral current, ELECTROWEAK PARAMETERS, CHORUS, Pair production, Neutrino, Particle Physics - Experiment, Lepton
Abstract: In this paper a search for associated charm production both in neutral and charged current $\nu$-nucleus interactions is presented. The improvement of automatic scanning systems in the {CHORUS} experiment allows an efficient search to be performed in emulsion for short-lived particles. Hence a search for rare processes, like the associated charm production, becomes possible through the observation of the double charm-decay topology with a very low background. About 130,000 $\nu$ interactions located in the emulsion target have been analysed. Three events with two charm decays have been observed in the neutral-current sample with an estimated background of 0.18$\pm$0.05. The relative rate of the associated charm cross-section in deep inelastic $\nu$ interactions, $\sigma(c\bar{c}\nu)/\sigma_\mathrm{NC}^\mathrm{DIS}= (3.62^{+2.95}_{-2.42}({stat})\pm 0.54({syst}))\times 10^{-3}$ has been measured. One event with two charm decays has been observed in charged-current $\nu_\mu$ interactions with an estimated background of 0.18$\pm$0.06 and the upper limit on associated charm production in charged-current interactions at 90% C.L. has been found to be $\sigma (c\bar{c} \mu^-)/\sigma_\mathrm{CC} < 9.69 \times 10^{-4}$., Comment: 10 pages, 4 figures
Published: 2007

22. Measurement of nucleon structure functions in neutrino scattering

Author: M. Messina, Koichi Kodama, J. W. E. Uiterwijk, G. Fiorillo, E. Barbuto, Motoaki Miyanishi, D. Kolev, F. Di Capua, S. Kalinin, R. Santacesaria, Cristiano Bozza, U. Dore, E. Di Capua, H. Shibuya, K. Niwa, Yoshihiro Sato, M. T. Muciaccia, Th. Delbar, Salvatore Buontempo, T. Wolff, J. Goldberg, Osamu Sato, L. Ludovici, K. Winter, Alexandre Rozanov, G. Rosa, D. Rondeshagen, P. Migliozzi, B. Van de Vyver, D. Frekers, Toshiyuki Nakano, G. De Lellis, C. S. Yoon, Masahiro Komatsu, T. Hara, M. Nakamura, P. Gorbunov, G. Grella, Rudolf Oldeman, P. F. Loverre, A. G. Cocco, Denis Favart, Piero Zucchelli, T. Toshito, Nicola D'Ambrosio, N. Nonaka, M. de Jong, Murat Guler, V. Shamanov, C. Sirignano, V. Khovansky, A. Artamonov, A. Bülte, I. Makhlioueva, J. S. Song, R. Tsenov, I. Tezuka, R. van Dantzig, A. Satta, Pierre Vilain, N. Ushida, L. Scotto Lavina, H. Meinhard, Biagio Saitta, V. Tioukov, Gaston Wilquet, R. Santorelli, F. R. Spada, U. Kose, A. Marotta, P. Tolun, M. Serin-Zeyrek, Shigeki Aoki, K. Narita, S. Sorrentino, S. Kama, S. Ogawa, J. Kawada, Gulsen Onengut, K. Niu, T. Okusawa, P. Strolin, G. De Rosa, Michiyuki Chikawa, Ivana Hristova, A. Kayis-Topaksu, Ghislain Grégoire, K. Hoshino, N. Bruski, G. Romano, M. Litmaath, T. Kawamura, M. G. Catanesi, Ilya Tsukerman, J. Panman, Önengüt, G., van Dantzig, R., de Jong, M., Oldeman, R. G. C., Güler, M., Kama, S., Köse, U., Serin Zeyrek, M., Tolun, P., Catanesi, M. G., Muciaccia, M. T., Bülte, A., Winter, K., Van de Vyver, B., Vilain, P., Wilquet, G., Saitta, B., Di Capua, E., Ogawa, S., Shibuya, H., Hristova, I. R., Kayis Topaksu, A., Kawamura, T., Kolev, D., Litmaath, M., Meinhard, H., Panman, J., Rozanov, A., Tsenov, R., Uiterwijk, J. W. E., Zucchelli, P., Goldberg, J., Chikawa, M., Song, J. S., Yoon, C. S., Kodama, K., Ushida, N., Aoki, S., Hara, T., Delbar, T., Favart, D., Grégoire, G., Kalinin, S., Makhlioueva, I., Artamonov, A., Gorbunov, P., Khovansky, V., Shamanov, V., Tsukerman, I., Bruski, N., Frekers, D., Rondeshagen, D., Wolff, T., Hoshino, K., Kawada, J., Komatsu, M., Miyanishi, M., Nakamura, M., Nakano, T., Narita, K., Niu, K., Niwa, K., Nonaka, N., Sato, O., Toshito, T., Buontempo, S., Cocco, A. G., D'Ambrosio, N., De Lellis, G., De Rosa, G., DI CAPUA, Francesco, Fiorillo, Giuliana, Marotta, A., Messina, M., Migliozzi, P., Santorelli, R., Scotto Lavina, L., Strolin, P., Tioukov, V., Okusawa, T., Dore, U., Loverre, P. F., Ludovici, L., Rosa, G., Santacesaria, R., Satta, A., Spada, F. R., Barbuto, E., Bozza, C., Grella, G., Romano, G., Sirignano, C., Sorrentino, S., Sato, Y., Tezuka, I., UCL - SC/PHYS - Département de physique, Çukurova Üniversitesi, G., Onengut, R. v., Dantzig, M. d., Jong, R. G., C., M., Guler, S., Kama, U., Kose, M., Serin Zeyrek, P., Tolun, M. G., Catanesi, M. T., Muciaccia, A., Bulte, K., Winter, B. V., De, P., Vilain, G., Wilquet, B., Saitta, E. D., Capua, S., Ogawa, H., Shibuya, I. R., Hristova, A., Kayis Topaksu, T., Kawamura, D., Kolev, M., Litmaath, H., Meinhard, J., Panman, A., Rozanov, R., Tsenov, J. W., E., P., Zuechelli, J., Goldberg, M., Chikawa, J. S., Song, C. S., Yoon, K., Kodama, N., Ushida, S., Aoki, T., Hara, T., Delbar, D., Favart, G., Gregoire, S., Kalinin, I., Makhlioueva, A., Artamonov, P., Gorbunov, V., Khovansky, V., Shamanov, I., Tsukerman, N., Bruski, D., Freker, D., Rondeshagen, T., Wolff, K., Hoshino, J., Kawada, M., Komatsu, M., Miyanishi, M., Nakamura, T., Nakano, K., Narita, K., Niu, K., Niwa, N., Nonaka, O., Sato, T., Toshito, S., Buontempo, A. G., Cocco, N., D'Ambrosio, DE LELLIS, Giovanni, DE ROSA, Gianfranca, F. D., Capua, A., Marotta, M., Messina, P., Mighozzi, R., Santorelli, L. S., Lavina, Strolin, PAOLO EMILIO, V., Tioukov, T., Okusawa, U., Dore, P. F., Loverre, L., Ludovici, G., Rosa, R., Santacesaria, A., Satta, F. R., Spada, E., Barbuto, C., Bozza, G., Grella, G., Romano, C., Sirignano, S., Sorrentino, Y., Sato, and I., Tezuka
Subjects: Nuclear and High Energy Physics, Particle physics, Physics::Instrumentation and Detectors, Nuclear Theory, CROSS-SECTIONS, Nuclear physics, Pion, Alte energie, fisica del neutrino, DEPENDENCE, SEARCH, Nuclear Experiment, Charged current, OSCILLATION, Physics, CHORUS EXPERIMENT, Large Hadron Collider, Muon, Oscillation, High Energy Physics::Phenomenology, High Energy Physics::Experiment, Neutrino, Nucleon, Particle Physics - Experiment, SYSTEM, Beam (structure)
Abstract: After completion of the data taking for the ?µ›?? oscillation search, the CHORUS lead-scintillator calorimeter was used in the 1998 run as an active target. High-statistics samples of charged-current interactions were collected in the CERN SPS west area neutrino beam. This beam contained predominantly muon (anti-)neutrinos from sign-selected pions and kaons. We measure the flux and energy spectrum of the incident neutrinos and compare them with beam simulations. The neutrino-nucleon and anti-neutrino-nucleon differential cross-sections are measured in the range 0.01
Published: 2006

23. Experimental study of trimuon events in neutrino charged-current interactions

Author: T. Wolff, Nicola D'Ambrosio, David Cussans, E. Radicioni, C.A.F.J. van der Poel, Jürgen Brunner, David Saltzberg, P. Gorbunov, A. Satta, M. de Jong, Y. Sato, F. R. Spada, U. Kose, T. Hara, J. Kawada, Gulsen Onengut, N. Ushida, Mitsuhiro Nakamura, S. Sorrentino, S. Kama, K. Nakamura, E. Di Capua, G. Fiorillo, I.M. Papadopoulos, M. T. Muciaccia, A. Ereditato, O. Melzer, Michiyuki Chikawa, S. Ogawa, G. De Lellis, D. Rondeshagen, Ramazan Sever, K. Niu, Ghislain Grégoire, P. Zucchelli, Ilya Tsukerman, Mathieu Doucet, S. Kalinin, A. G. Cocco, U. Dore, P. Strolin, G. De Rosa, Pierre Vilain, E. Pesen, A. Kayis-Topaksu, Ivana Hristova, Masahiro Komatsu, V Tioukov, Toshiyuki Nakano, Osamu Sato, R. Santacesaria, P. F. Loverre, T. Okusawa, T. Toshito, A. Marotta, Rudolf Oldeman, Denis Favart, P. Migliozzi, I. Tezuka, L. Ludovici, D. Kolev, D. Frekers, E. Arik, P. Righini, B. Saitta, R. Santorelli, M. Ieva, Koichi Kodama, Mihail Chizhov, G. Romano, N. Nonaka, Jan Visschers, V. Shamanov, C. Sirignano, J. S. Song, Murat Guler, J. W. E. Uiterwijk, M. G. Catanesi, I. Makhlyoueva, H. Shibuya, M Messina, Cristiano Bozza, N. Bruski, Motoaki Miyanishi, K. Hoshino, M. Litmaath, T. Kawamura, M. De Serio, M. Serin-Zeyrek, A. Bülte, K. Niwa, Jean-Paul Fabre, Shigeki Aoki, G. Rosa, Gaston Wilquet, P. Tolun, S. Ricciardi, K. Winter, L. Scotto Lavina, Th. Delbar, C. S. Yoon, V. Khovansky, C. Pistillo, A. Maslennikov, H. Meinhard, J. Konijn, G. Grella, A. Rozanov, Mehmet Zeyrek, S. Simone, B. Van de Vyver, E. Barbuto, S. Buontempo, J. Panman, F. Di Capua, K. Narita, A. Artamonov, R. Tsenov, J. Goldberg, R. van Dantzig, Other Research IHEF (IoP, FNWI), Kayis Topaksu, A., Onengüt, G., van Dantzig, R., de Jong, M., Konijn, J., Melzer, O., Oldeman, R. G. C., Pesen, E., van der Poel, C. A. F. J., Visschers, J. L., Güler, M., Köse, U., Serin Zeyrek, M., Kama, S., Sever, R., Tolun, P., Zeyrek, M. T., Catanesi, M. G., De Serio, M., Ieva, M., Muciaccia, M. T., Radicioni, E., Simone, S., Bülte, A., Winter, K., Van de Vyver, B., Vilain, P., Wilquet, G., Saitta, B., Di Capua, E., Ogawa, S., Shibuya, H., Artamonov, A., Brunner, J., Chizhov, M., Cussans, D., Doucet, M., Fabre, J. P., Hristova, I. R., Kawamura, T., Kolev, D., Litmaath, M., Meinhard, H., Panman, J., Papadopoulos, I. M., Ricciardi, S., Rozanov, A., Saltzberg, D., Tsenov, R., Uiterwijk, J. W. E., Zucchelli, P., Goldberg, J., Chikawa, M., Arik, E., Song, J. S., Yoon, C. S., Kodama, K., Ushida, N., Aoki, S., Hara, T., Delbar, T., Favart, D., Grégoire, G., Kalinin, S., Makhlyoueva, I., Gorbunov, P., Khovansky, V., Shamanov, V., Tsukerman, I., Bruski, N., Frekers, D., Rondeshagen, D., Wolff, T., Hoshino, K., Kawada, J., Komatsu, M., Miyanishi, M., Nakamura, M., Nakano, T., Narita, K., Niu, K., Niwa, K., Nonaka, N., Sato, O., Toshito, T., Buontempo, S., Cocco, A. G., D'Ambrosio, N., De Lellis, G., De Rosa, G., DI CAPUA, Francesco, Ereditato, A., Fiorillo, Giuliana, Marotta, A., Messina, M., Migliozzi, P., Pistillo, C., Santorelli, R., Scotto Lavina, L., Strolin, P., Tioukov, V., Nakamura, K., Okusawa, T., Dore, U., Loverre, P. F., Ludovici, L., Maslennikov, A., Righini, P., Rosa, G., Santacesaria, R., Satta, A., Spada, F. R., Barbuto, E., Bozza, C., Grella, G., Romano, G., Sirignano, C., Sorrentino, S., Sato, Y., Tezuka, I., T., Toshito, S., Buontempo, A. G., Cocco, N., D'Ambrosio, DE LELLIS, Giovanni, DE ROSA, Gianfranca, F. D., Capua, A., Ereditato, A., Marotta, M., Messina, P., Migliozzi, C., Pistillo, R., Santorelli, L. S., Lavina, P., Strolin, V., Tioukov, K., Nakamura, T., Okusawa, U., Dore, R., Loverre, L., Ludovici, A., Maslennikov, P., Righini, G., Rosa, R., Santacesaria, A., Satta, F. R., Spada, E., Barbuto, C., Bozza, G., Grella, G., Romano, C., Sirignano, S., Sorrentino, Y., Sato, I., Tezuka, UCL - SC/PHYS - Département de physique, and Çukurova Üniversitesi
Subjects: Physics, CHORUS EXPERIMENT, Nuclear and High Energy Physics, Particle physics, INCLUSIVE RHO-0 PRODUCTION, Muon, Large Hadron Collider, Meson, Physics::Instrumentation and Detectors, Branching fraction, NU-P, MESON PRODUCTION, Bremsstrahlung, Virtual particle, NEON, ANTINEUTRINO, J/PSI, Nuclear physics, SCATTERING, High Energy Physics::Experiment, CALORIMETER, Neutrino, Particle Physics - Experiment, Charged current
Abstract: WOS: 000223122600006 This Letter reports on a study of trimuon events induced by neutrino interactions in the CHORUS calorimeter exposed to the CERN SPS wide-band v(mu) beam. Among the multimuon events produced in the calorimeter, 42 mu(-) mu(-) mu(+) events were selected and their kinematical properties investigated. In the past, several groups collected a sample of about one hundred events of this type but their source was largely unknown. Taking advantage of experimental data presently available on the production and muonic branching ratios of light neutral mesons and resonances, we make absolute predictions for the expected rates in our experiment. Detailed Monte Carlo simulations described in this article show that more than half of the trimuon events can be attributed to this source. Muons from pi- and K- decays in charm dimuon events are responsible for an additional approximate to 25% contribution to the total mu(-)mu(-)mu(+) rate. The remaining 25% of events are likely to come from the internal bremsstrahlung of virtual photons into a muon pair. Associated-charm production with subsequent decays of both charmed particles into muons is a negligible source of trimuon events. (C) 2004 Elsevier B.V. All rights reserved.
Published: 2004

24. Cross-section measurement for quasi-elastic production of charmed baryons in νN interactions

Author: I Maklioueva, O. Melzer, M. Serin-Zeyrek, Michiyuki Chikawa, E. Arik, C. Pistillo, M. T. Muciaccia, Shigeki Aoki, Ivana Hristova, E. Di Capua, S. Kalinin, R. Santacesaria, V. Khovansky, U. Dore, H. Meinhard, P. Strolin, E. Pesen, S. Sorrentino, I. Tezuka, G. L. Pittoni, Toshiyuki Nakano, J. S. Song, Motoaki Miyanishi, S. Buontempo, G. De Lellis, K. Niwa, F. Di Capua, D. Frekers, Mathieu Doucet, Y. Sato, Mitsuhiro Nakamura, S. Ogawa, K. Nakamura, Ramazan Sever, Nicola D'Ambrosio, D. Kolev, K. Hoshino, A. G. Cocco, Denis Favart, J. Kawada, Gulsen Onengut, N. Ushida, T. Hara, K. Winter, B. Saitta, Rudolf Oldeman, P. Migliozzi, F. R. Spada, C. S. Yoon, U. Kose, G. De Rosa, Pierre Vilain, N. Bruski, T. Kawamura, I.M. Papadopoulos, Mihail Chizhov, Ghislain Grégoire, M. G. Catanesi, V. Tioukov, K. Niu, G. Romano, A. Artamonov, H. Shibuya, L. Ludovici, A. Marotta, Osamu Sato, N. Nonaka, E. Radicioni, M. Ieva, Antonio Ereditato, P. Righini, V. Shamanov, C. Sirignano, P. Gorbunov, A. Satta, M. de Jong, R. Tsenov, J. Goldberg, Jan Visschers, G. Rosa, R. van Dantzig, Gaston Wilquet, S. Simone, M. De Serio, P. Tolun, A. Bülte, B. Van de Vyver, S. Ricciardi, Koichi Kodama, Murat Guler, J. W. E. Uiterwijk, L. Scotto Lavina, M. Messina, Th. Delbar, A. Rozanov, G. Fiorillo, G. Grella, Mehmet Zeyrek, Masahiro Komatsu, Cristiano Bozza, T. Okusawa, T. Toshito, P. F. Loverre, K. Narita, E. Barbuto, J. Panman, P. Zucchelli, Ilya Tsukerman, A. Kayis-Topaksu, Çukurova Üniversitesi, Kayis Topaksu, A., Onengüt, G., van Dantzig, R., de Jong, M., Melzer, O., Oldeman, R. G. C., Pesen, E., Spada, F. R., Visschers, J. L., Güler, M., Köse, U., Serin Zeyrek, M., Sever, R., Tolun, P., Zeyrek, M. T., Catanesi, M. G., De Serio, M., Ieva, M., Muciaccia, M. T., Radicioni, E., Simone, S., Bülte, A., Winter, K., Van de Vyver, B., Vilain, P., Wilquet, G., Pittoni, G. L., Saitta, B., Di Capua, E., Ogawa, S., Shibuya, H., Artamonov, A., Chizhov, M., Doucet, M., Hristova, I. R., Kawamura, T., Kolev, D., Meinhard, H., Panman, J., Papadopoulos, I. M., Ricciardi, S., Rozanov, A., Tsenov, R., Uiterwijk, J. W. E., Zucchelli, P., Goldberg, J., Chikawa, M., Arik, E., Song, J. S., Yoon, C. S., Kodama, K., Ushida, N., Aoki, S., Hara, T., Delbar, T., Favart, D., Grégoire, G., Kalinin, S., Maklioueva, I., Gorbunov, P., Khovansky, V., Shamanov, V., Tsukerman, I., Bruski, N., Frekers, D., Hoshino, K., Kawada, J., Komatsu, M., Miyanishi, M., Nakamura, M., Nakano, T., Narita, K., Niu, K., Niwa, K., Nonaka, N., Sato, O., Toshito, T., Buontempo, S., Cocco, A. G., D'Ambrosio, N., De Lellis, G., De Rosa, G., DI CAPUA, Francesco, Ereditato, A., Fiorillo, Giuliana, Marotta, A., Messina, M., Migliozzi, P., Pistillo, C., Scotto lavina, L., Strolin, P., Tioukov, V., Nakamura, K., Okusawa, T., Dore, U., Loverre, P. F., Ludovici, L., Righini, P., Rosa, G., Santacesaria, R., Satta, A., Barbuto, E., Bozza, C., Grella, G., Romano, G., Sirignano, C., Sorrentino, S., Sato, Y., Tezuka, I., T., Nakano, K., Narita, K., Niu, K., Niwa, N., Nonaka, O., Sato, T., Toshito, S., Buontempo, A. G., Cocco, N., D'Ambrosio, DE LELLIS, Giovanni, DE ROSA, Gianfranca, F. D., Capua, A., Ereditato, A., Marotta, M., Messina, P., Migliozzi, C., Pistillo, L. S., Lavina, P., Strolin, V., Tioukov, K., Nakamura, T., Okusawa, U., Dore, P. F., Loverre, L., Ludovici, P., Righini, G., Rosa, R., Santacesaria, A., Satta, E., Barbuto, C., Bozza, G., Grella, G., Romano, C., Sirignano, S., Sorrentino, Y., Sato, and I., Tezuka
Subjects: Physics, Particle physics, Nuclear and High Energy Physics, CHORUS EXPERIMENT, High Energy Physics::Phenomenology, Physique atomique et nucléaire, Baryon, Nuclear physics, Charmed baryons, Cross section (physics), NEUTRINO-PRODUCTION, CHARGED-CURRENT INTERACTIONS, Nuclear emulsion, Production (computer science), High Energy Physics::Experiment, Charm (quantum number), Neutrino, Nuclear Experiment, Charged current, Particle Physics - Experiment
Abstract: A study of quasi-elastic production of charmed baryons in charged-current interactions of neutrinos with the nuclear emulsion target of CHORUS is presented. In a sample of about 46 000 interactions located in the emulsion, candidates for decays of short-lived particles were identified by using new automatic scanning systems and later confirmed through visual inspection. Criteria based both on the topological and kinematical characteristics of quasi-elastic charm production allowed a clear separation between events of this type and those in which charm is produced in deep inelastic processes. A final sample containing 13 candidates consistent with quasi-elastic production of a charmed baryon with an estimated background of 1.7 events was obtained. At the average neutrino energy of 27 GeV the cross-section for the total quasi-elastic production of charmed baryons relative to the νN charged-current cross-section was measured to be σ(QE)/σ(CC) = (0.23-0.06+0.02(stat)×10-2. Through an analysis of the topology at the production and decay vertices the relative cross-sections were measured separately for singly (Λc +, ∑c+, ∑c +*) and doubly (∑c++, ∑ c++*) charged baryons. © 2003 Published by Elsevier B.V., 0, SCOPUS: ar.j, info:eu-repo/semantics/published
Published: 2003

25. Observation of one event with the characteristics of associated charm production in neutrino charged-current interactions

Author: A. Kayis-Topaksu, A. G. Cocco, M. Messina, I Maklioueva, Denis Favart, G. Fiorillo, P. F. Loverre, G. De Rosa, K. Niu, E. Arik, V. Palladino, B. Saitta, Osamu Sato, K. Niwa, Th. Delbar, Murat Guler, M. Miyanishi, G. Grella, Michiyuki Chikawa, G. De Lellis, Y. Sato, Masahiro Komatsu, T. Wolff, M. G. Catanesi, Nicola D'Ambrosio, T. Okusawa, D. Kolev, V. Khovansky, T. Toshito, S. Kalinin, Gulsen Onengut, Jan Visschers, N. Armenise, Koichi Kodama, T. Kawamura, U. Dore, S. Sorrentino, N. Ushida, David Cussans, M. De Serio, A. Bülte, K. Hoshino, P. Gorbunov, J. W. E. Uiterwijk, S. Ogawa, Toshiyuki Nakano, O. Melzer, M. de Jong, Ivana Hristova, S. Simone, R. Santacesaria, P. Zucchelli, Ilya Tsukerman, F. R. Spada, A. Maslennikov, P. Strolin, Cristiano Bozza, B. Van de Vyver, S. Ricciardi, E. Pesen, I. Tezuka, A. Satta, R. El-Aidi, P. Migliozzi, L. Ludovici, E. Di Capua, J. Konijn, N. Nonaka, P Righini, M. Ieva, Mihail Chizhov, Antonio Ereditato, V. Shamanov, Ramazan Sever, G. Rosa, Gaston Wilquet, P. Tolun, D. Frekers, A. Artamonov, H. Shibuya, T. Hara, R. Tsenov, J. Goldberg, N. Bruski, R. van Dantzig, S. Buontempo, F. Di Capua, Mathieu Doucet, K. Winter, Mitsuhiro Nakamura, K. Nakamura, C. S. Yoon, I.M. Papadopoulos, M. T. Muciaccia, K. Narita, E. Barbuto, Valeri Tioukov, Pierre Vilain, J. Panman, M. Serin-Zeyrek, Shigeki Aoki, Mehmet Zeyrek, A. Rozanov, H. Meinhard, Rudolf Oldeman, Ghislain Grégoire, G. Romano, J. S. Song, E. Radicioni, Jürgen Brunner, D. Rondeshagen, Kayis Topaksu, A, Onengüt, G, van Dantzig, R, de Jong, M, Konijn, J, Melzer, O, Oldeman, R. G. C, Pesen, E, Visschers, J. L, Güler, M, Serin Zeyrek, M, Sever, R, Tolun, P, Zeyrek, M. T, Armenise, N, Catanesi, M. G, De Serio, M, Ieva, M, Muciaccia, M. T, Radicioni, E, Simone, S, Bülte, A, Winter, K, El Aidi, R, Van de Vyver, B, Vilain, P, Wilquet, G, Saitta, B, Di Capua, E, Ogawa, S, Shibuya, H, Artamonov, A, Brunner, J, Chizhov, M, Cussans, D, Doucet, M, Hristova, I. R, Kolev, D, Meinhard, H, Panman, J, Papadopoulos, I. M, Ricciardi, S, Rozanov, A, Tsenov, R, Uiterwijk, J. W. E, Zucchelli, P, Goldberg, J, Chikawa, M, Arik, E, Song, J. S, Yoon, C. S, Kodama, K, Ushida, N, Aoki, S, Hara, T, Delbar, T, Favart, D, Grégoire, G, Kalinin, S, Maklioueva, I, Gorbunov, P, Khovansky, V, Shamanov, V, Tsukerman, I, Bruski, N, Frekers, D, Rondeshagen, D, Wolff, T, Hoshino, K, Komatsu, M, Miyanishi, M, Nakamura, M, Nakano, T, Narita, K, Niu, K, Niwa, K, Nonaka, N, Sato, O, Toshito, T, Buontempo, S, Cocco, A. G, D'Ambrosio, N, De lellis, G, De Rosa, G, DI CAPUA, Francesco, Ereditato, A, Fiorillo, Giuliana, Kawamura, T, Messina, M, Migliozzi, P, Palladino, V, Strolin, P, Tioukov, V, Nakamura, K, Okusawa, T, Dore, U, Loverre, P. F, Ludovici, L, Maslennikov, A, Righini, P, Rosa, G, Santacesaria, R, Satta, A, Spada, F. R, Barbuto, E, Bozza, C, Grella, G, Romano, G, Sorrentino, S, Sato, Y, Tezuka, I., UCL - SC/PHYS - Département de physique, Çukurova Üniversitesi, T., Toshito, S., Buontempo, A. G., Cocco, N., D'Ambrosio, DE LELLIS, Giovanni, DE ROSA, Gianfranca, F. D., Capua, A., Ereditato, T., Kawamura, M., Messina, P., Migliozzi, Palladino, Vittorio, Strolin, PAOLO EMILIO, V., Tioukov, K., Nakamura, T., Okusawa, U., Dore, P. F., Loverre, L., Ludovici, A., Maslennikov, P., Righini, G., Rosa, R., Santacesaria, A., Satta, F. R., Spada, E., Barbuto, C., Bozza, G., Grella, G., Romano, S., Sorrentino, Y., Sato, and I., Tezuka
Subjects: Physics, Nuclear and High Energy Physics, Particle physics, Muon, High Energy Physics::Phenomenology, Hadron, Nuclear physics, SEARCH, High Energy Physics::Experiment, Production (computer science), Nuclear emulsion, Charm (quantum number), Neutrino, Nuclear Experiment, Event (particle physics), Particle Physics - Experiment, Charged current, OSCILLATION
Abstract: We report on a search for associated charm production in neutrino charged-current interactions in the CHORUS experiment, based on the visual observation of charmed-particle decays. The search differs from those carried out so far in which the production of cc has been inferred from measurements of events with two or three muons in the final state, resulting from the decay of charmed hadrons. One event with a double charm-decay topology has been found and a corresponding background of 0.04 events has been evaluated. © 2002 Elsevier Science B.V. All rights reserved. CERN Promotion and Mutual Aid Corporation for Private Schools of Japan Bundesministerium für Bildung und Forschung Grant Foundation: KRF-2001-005-D00006 Israel Science Foundation: 328/94 Instituto Nazionale di Fisica Nucleare Foundation for Fundamental Research on Matter Korean Foundation for Cancer Research We gratefully acknowledge the help and support of the neutrino-beam staff and of the numerous technical collaborators who contributed to the detector construction, operation, emulsion pouring, development and scanning. The experiment has been made possible by grants from the Institut Interuniversitaire des Sciences Nucléaires and the Interuniversitair Instituut voor Kernwetenschappen (Belgium); the Israel Science Foundation (grant 328/94) and the Technion Vice President Fund for the Promotion of Research (Israel); CERN (Geneva, Switzerland); the German Bundesministerium für Bildung und Forschung (Germany); the Institute of Theoretical and Experimental Physics (Moscow, Russia); the Istituto Nazionale di Fisica Nucleare (Italy); the Promotion and Mutual Aid Corporation for Private Schools of Japan and Japan Society for the Promotion of Science (Japan); the Korea Research Foundation Grant (KRF-2001-005-D00006) (Republic of Korea); the Foundation for Fundamental Research on Matter FOM and the National Scientific Research Organization NWO (The Netherlands); and the Scientific and Technical Research Council of Turkey (Turkey). We gratefully acknowledge their support.
Published: 2002

26. Determination of the semi-leptonic branching fraction of charm hadrons produced in neutrino charged current interactions

Author: Nicola D'Ambrosio, S. Sorrentino, A. Rozanov, Michiyuki Chikawa, F. R. Spada, M. T. Muciaccia, S. Ogawa, A. G. Cocco, O. Melzer, Mitsuhiro Nakamura, K. Nakamura, Rudolf Oldeman, Masahiro Komatsu, Ivana Hristova, K. Hoshino, Denis Favart, T. Okusawa, C. Pistillo, Ghislain Grégoire, T. Toshito, K. Narita, I.M. Papadopoulos, M Messina, R. Santacesaria, E. Barbuto, H. Meinhard, G. Romano, S. Simone, E. Di Capua, V Tioukov, P. Strolin, M. De Serio, A. Bülte, J. Panman, S. Ricciardi, J. S. Song, P. Zucchelli, Ilya Tsukerman, A. Ereditato, G. De Rosa, D. Kolev, E. Pesen, Mathieu Doucet, P. Migliozzi, N. Bruski, L. Scotto Lavina, M. G. Catanesi, S. Kalinin, R. El-Aidi, Murat Guler, B. Van de Vyver, T. Kawamura, Ramazan Sever, U. Dore, Mehmet Zeyrek, E. Radicioni, Mihail Chizhov, B. Saitta, I. Tezuka, D. Frekers, H. Shibuya, I Maklioueva, T. Hara, L. Ludovici, Y. Sato, A. Kayis-Topaksu, S. Buontempo, K. Winter, N. Nonaka, G. Rosa, M. Ieva, V. Shamanov, C. Sirignano, P. F. Loverre, E. Arik, Gulsen Onengut, Gaston Wilquet, P. Tolun, Pierre Vilain, G. Grella, N. Armenise, F. Di Capua, C. S. Yoon, N. Ushida, K. Niwa, Th. Delbar, A. Artamonov, R. Tsenov, J. Goldberg, R. van Dantzig, P Righini, V. Khovansky, M. Serin-Zeyrek, Shigeki Aoki, M. Miyanishi, Toshiyuki Nakano, P. Gorbunov, G. De Lellis, M. de Jong, K. Niu, A. Satta, Cristiano Bozza, Osamu Sato, Koichi Kodama, J. W. E. Uiterwijk, Jan Visschers, G. Fiorillo, UCL - SC/PHYS - Département de physique, Kayis Topaksu, A, Onengüt, G, de Jong, M, Melzer, O, Oldeman, R. G. C, Pesen, E, Spada, F. R, van Dantzig, R, Visschers, J. L, Güler, M, Serin Zeyrek, M, Sever, R, Tolun, P, Zeyrek, M. T, Armenise, N, Catanesi, M. G, De Serio, M, Ieva, M, Muciaccia, M. T, Radicioni, E, Simone, S, Bülte, A, Winter, K, El Aidi, R, Van de Vyver, B, Vilain, P, Wilquet, G, Saitta, B, Di Capua, E, Ogawa, S, Shibuya, H, Artamonov, A, Chizhov, M, Doucet, M, Hristova, I. R, Kawamura, T, Kolev, D, Meinhard, H, Panman, J, Papadopoulos, I. M, Ricciardi, S, Rozanov, A, Tsenov, R, Uiterwijk, J. W. E, Zucchelli, P, Goldberg, J, Chikawa, M, Arik, E, Song, J. S, Yoon, C. S, Kodama, K, Ushida, N, Aoki, S, Hara, T, Delbar, T, Favart, D, Grégoire, G, Kalinin, S, Maklioueva, I, Gorbunov, P, Khovansky, V, Shamanov, V, Tsukerman, I, Bruski, N, Frekers, D, Hoshino, K, Komatsu, M, Miyanishi, M, Nakamura, M, Nakano, T, Narita, K, Niu, K, Niwa, K, Nonaka, N, Sato, O, Toshito, T, Buontempo, S, Cocco, A. G, D'Ambrosio, N, De Lellis, G, DI CAPUA, Francesco, De Rosa, G, Ereditato, A, Fiorillo, Giuliana, Messina, M, Migliozzi, P, Pistillo, C, Scotto lavina, L, Strolin, P, Tioukov, V, Nakamura, K, Okusawa, T, Dore, U, Loverre, P. F, Ludovici, L, Righini, P, Rosa, G, Santacesaria, R, Satta, A, Barbuto, E, Bozza, C, Grella, G, Romano, G, Sirignano, C, Sorrentino, S, Sato, Y, Tezuka, I., Toshito, S., Buontempo, A. G., Cocco, N., D'Ambrosio, DE LELLIS, Giovanni, F. D., Capua, DE ROSA, Gianfranca, A., Ereditato, M., Messina, P., Migliozzi, C., Pistillo, L. S., Lavina, P., Strolin, V., Tioukov, K., Nakamura, T., Okusawa, U., Dore, P. F., Loverre, L., Ludovici, P., Righini, G., Rosa, R., Santacesaria, A., Satta, E., Barbuto, C., Ozza, G., Grella, G., Romano, C., Sirignano, S., Sorrentino, Y., Sato, I., Tezuka, and Çukurova Üniversitesi
Subjects: Physics, Particle physics, Nuclear and High Energy Physics, Branching fraction, Detector, Hadron, CHORUS, Visible energy, CROSS-SECTIONS, PHYSICS, EVENTS, Nuclear physics, OPPOSITE-SIGN DIMUONS, SEARCH, Yield (chemistry), Physique des particules élémentaires, Charm (quantum number), Neutrino, Particle Physics - Experiment, Charged current
Abstract: During the years 1994-1997, the emulsion target of the CHORUS detector was exposed to the CERN-SPS Wide Band Neutrino Beam. The improvements of the past few years in the automatic emulsion scanning systems allowed a sample of events located in emulsion to be used for studies of charm production. Based on a sample of 56172vμu charged-current interactions analysed so far, we find a value of Bμ = 0.093 ± 0.009(stat.) ± 0.009(syst.) for the semi-leptonic branching fraction of charm hadrons. The result for events with visible energy larger than 30 GeV, Bμ = 0.102 ± 0.016(stat.) ± 0.010(syst.), can be combined with the existing measurements of the dimuon rate to yield a value of 0.219 ± 0.022 for the magnitude of the Cabibbo-Kobayashi-Maskawa matrix element \Vcd\. © 2002 Elsevier Science B.V. All rights reserved., 0, SCOPUS: ar.j, info:eu-repo/semantics/published
Published: 2002

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26 results on '"van Dantzig, R."'

1. Measurement of charm production in antineutrino charged-current interactions

2. Measurement of D*+ production in charged-current neutrino interactions

3. Measurement of charm production in neutrino charged-current interactions

4. Measurements of $D^0$ production and of decay branching fractions in neutrino nucleon scattering

5. Measurement of fragmentation properties of charmed particle production in charged-current neutrino interactions

6. Measurement of $\Lambda^{+}_{c}$ production in neutrino charged-current interactions

7. New results from a search for $\nu_{\mu} \to \nu_{\tau}$ and $\nu_{e} \to \nu_{\tau}$ oscillation

8. Observation of neutrino induced diffractive $D_s^{+}$ production and subsequent decay $D_s^{+} \to D_s^+ \to \tau^+ \to \mu^+$

9. Spin asymmetries $A_1$ and structure functions $g_1$ of the proton and the deuteron from polarized high energy muon scattering

10. Search for $\nu_\mu \to \nu_\tau$ oscillation using the $\tau$ decay modes into a single charged particle

11. A Search for $\nu_\mu \to \nu_\tau$ Oscillation

12. Accurate measurement of $F_{2}^{\rm d}/F_{2}^{\rm p}$ and $R^{\rm d} - R^{\rm p}$

13. The Structure Function Ratios F2(Li)/F2(D) and F2(C)/F2(D) at small x

14. A re-evaluation of the nuclear structure function ratios for D, He, Li C and Ca

15. Exclusive $\varrho^{0}$ and $\phi$ muoproduction at large $Q^{2}$

16. Measurement of the spin-dependent structure function $g_{1}(x)$ of the proton

17. Reevaluation of the Gottfried Sum

18. A re-evaluation of $F_{2}^{n}/F_{2}^{p}$ and $F_{2}^{p}-F_{2}^{n}$

19. The Gottfried sum from the ratio $F^{n}_{2}/F^{p}_{2}$

20. Measurement of the spin-dependent structure function g1(x) of the deuteron

21. Associated charm production in neutrino-nucleus interactions

22. Measurement of nucleon structure functions in neutrino scattering

23. Experimental study of trimuon events in neutrino charged-current interactions

24. Cross-section measurement for quasi-elastic production of charmed baryons in νN interactions

25. Observation of one event with the characteristics of associated charm production in neutrino charged-current interactions

26. Determination of the semi-leptonic branching fraction of charm hadrons produced in neutrino charged current interactions

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