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1. New results from a search for v(mu) -> v(tau) and v(e) -> v(tau) oscillation

Author

E. Eskut, A. Kayis Topaksu, G. Onengut, R. v. Dantzig, M. d. Jong, J. Konijn, O. Melzer, R. G. C., E. Pesen, C. A. F. , J. W. E., J. L. Visschers, M. Guler, M. Serin Zeyrek, R. Sever, P. Tolun, M. T. Zeyrek, N. Armenise, F. Cassol, M. G. Catanesi, M. D. Serio, M. T. Muciaccia, E. Radicioni, P. Righini, S. Simone, L. Vivolo, A. Bulte, K. Winter, P. Annis, R. El Aidi, M. V. Donckt, B. V. de, P. Vilain, G. Wilquet, B. Saitta, E. D. Capua, Y. Ishii, M. Kazuno, S. Ogawa, H. Shibuya, J. Brunner, M. Chizhou, D. Cussans, M. Doucet, J. P. Fabre, W. Flegel, M. Litmaath, H. Meinhard, E. Niu, H. Overas, J. Panman, I. M. Papdopoulos, S. Ricciardi, A. Rozanov, D. Saltzberg, P. Strolin, R. Tsenov, C. Weinheimer, H. Wong, P. Zucchelli, J. Goldberg, M. Chikawa, E. Arik, A. A. Mailov, J. S. Song, C. S. Yoon, K. Kodama, N. Ushida, S. Aoki, T. Hara, G. Brooijmans, D. Favart, G. Gregoire, J. Herin, A. Artamonov, P. Gorbunov, V. Khovansky, V. Shamanov, I. Tsukerman, D. Bonekamper, N. D'Ambrosio, D. Frekers, D. Rondeshagen, T. Wolff, K. Hoshino, M. Komatsu, Y. Kotaka, T. Kozaki, M. Miyanishi, M. Nakamura, T. Nakano, K. Niu, K. Niwa, Y. Obayashi, O. Sato, T. Toshito, N. Bruski, S. Buontempo, A. G. Cocco, G. D. Lellis, F. D. Capua, A. Ereditato, T. Kawamura, R. Listone, M. Messina, P. Migliozzi, V. Tioukov, K. Nakamura, T. Okusawa, A. Capone, D. D. Pedis, S. D. Liberto, U. Dore, P. F. Loverre, L. Ludovici, A. Maslennikov, G. Piredda, G. Rosa, R. Santacesaria, A. Satta, F. R. Spada, E. Barbuto, C. Bozza, G. Grella, G. Romano, S. Sorrentino, Y. Sato, I. Tezuka, FIORILLO, GIULIANA, PALLADINO, VITTORIO, E., Eskut, A., Kayis Topaksu, G., Onengut, R. v., Dantzig, M. d., Jong, J., Konijn, O., Melzer, R. G., C., E., Pesen, C. A. F., J. W. E., J. L., Visscher, M., Guler, M., Serin Zeyrek, R., Sever, P., Tolun, M. T., Zeyrek, N., Armenise, F., Cassol, M. G., Catanesi, M. D., Serio, M. T., Muciaccia, E., Radicioni, P., Righini, S., Simone, L., Vivolo, A., Bulte, K., Winter, P., Anni, R., El Aidi, M. V., Donckt, B. V., De, P., Vilain, G., Wilquet, B., Saitta, E. D., Capua, Y., Ishii, M., Kazuno, S., Ogawa, H., Shibuya, J., Brunner, M., Chizhou, D., Cussan, M., Doucet, J. P., Fabre, W., Flegel, M., Litmaath, H., Meinhard, E., Niu, H., Overa, J., Panman, I. M., Papdopoulo, S., Ricciardi, A., Rozanov, D., Saltzberg, P., Strolin, R., Tsenov, C., Weinheimer, H., Wong, P., Zucchelli, J., Goldberg, M., Chikawa, E., Arik, A. A., Mailov, J. S., Song, C. S., Yoon, K., Kodama, N., Ushida, S., Aoki, T., Hara, G., Brooijman, D., Favart, G., Gregoire, J., Herin, A., Artamonov, P., Gorbunov, V., Khovansky, V., Shamanov, I., Tsukerman, D., Bonekamper, N., D'Ambrosio, D., Freker, D., Rondeshagen, T., Wolff, K., Hoshino, M., Komatsu, Y., Kotaka, T., Kozaki, M., Miyanishi, M., Nakamura, T., Nakano, K., Niu, K., Niwa, Y., Obayashi, O., Sato, T., Toshito, N., Bruski, S., Buontempo, A. G., Cocco, G. D., Lelli, F. D., Capua, A., Ereditato, Fiorillo, Giuliana, T., Kawamura, R., Listone, M., Messina, P., Migliozzi, Palladino, Vittorio, V., Tioukov, K., Nakamura, T., Okusawa, A., Capone, D. D., Pedi, S. D., Liberto, U., Dore, P. F., Loverre, L., Ludovici, A., Maslennikov, G., Piredda, 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
CHORUS EXPERIMENT, LIMITS, NU%28TAU%29+OSCILLATION%22">NU(MU)->NU(TAU) OSCILLATION, SYSTEM
Abstract

A first analysis of the complete set of data collected by CHORUS in the years 1994-1997 is presented. The search for nu (tau) charged current events has been performed for both leptonic and hadronic decays of the tau lepton. No tau candidate has been found, A nu (tau) --> nu (tau) mixing is excluded down to sin(2)2 theta (mu tau) = 6.8 x 10(-4) for large Deltam(2) (90% C.L.). (C) 2001 Elsevier Science B.V. All rights reserved.

Published
2001

2. A search for nu(mu)->nu(tau) oscillation

Author

E. Eskut, A. Kayis, G. Onengut, R. v. Dantzig, M. d. Jong, J. Konijn, O. Melzer, R. G. C. , C. A. F., J. W. E., J. L. Visschers, A. S. Ayan, E. Pesen, M. Serin Zeyrek, R. Sever, P. Tolun, M. T. Zeyrek, N. Armenise, F. Cassol, M. G. Catanesi, M. T. Muciaccia, E. Radicioni, S. Simone, L. Vivolo, A. Bulte, P. Lendermann, A. Meyer Sievers, T. Patzak, K. Winter, P. Annis, M. Gruwe, C. Mommaert, M. V. Donckt, B. V. de, P. Vilain, G. Wilquet, P. Righini, B. Saitta, E. D. Capua, C. Luppi, P. Zucchelli, Y. Ishii, T. Kawamura, M. Kazuno, S. Ogawa, H. Shibuya, R. Beyer, J. Brunner, D. Cussans, J. P. Fabre, R. Ferreira, W. Flegel, R. Gurin, M. Litmaath, L. Ludovici, D. Macina, R. M. Drees, H. Meinhard, P. Migliozzi, E. Niu, H. Overas, J. Panman, I. M. Papadopoulos, F. Riccardi, S. Ricciardi, A. Rozanov, D. Saltzberg, R. Santacesaria, G. Stefanini, R. Tsenov, C. Weinheimer, H. Wong, J. Goldberg, K. Hoepfner, M. Chikawa, E. Arik, I. Birol, A. A. Mailov, C. H. Hahn, H. I. Jang, I. G. Park, M. S. Park, J. S. Song, C. S. Yoon, K. Kodama, N. Ushida, S. Aoki, T. Hara, G. Brooijmans, D. Favart, G. Gregoire, J. Herin, V. Lemaitre, A. Artamonov, P. Gorbunov, V. Khovansky, V. Shamanov, V. Smirnitsky, D. Bonekamper, D. Frekers, D. Rondeshagen, T. Wolff, K. Hoshino, M. Kobayashi, Y. Kotaka, T. Kozaki, M. Miyanishi, M. Nakamura, K. Nakazawa, T. Nakano, K. Niu, K. Niwa, Y. Obayashi, O. Sato, T. Toshito, S. Buontempo, A. Cocco, N. D'Ambrosio, G. D. Lellis, A. Ereditato, F. Marchetti Stasi, M. Messina, PALLADINO, VITTORIO, S. Sorrentino, P. Strolin, K. Nakamura, T. Okusawa, T. Yoshida, A. Capone, D. D. Pedis, S. D. Liberto, U. Dore, P. F. Loverre, A. Maslennikov, M. A. Mazzoni, F. Meddi, G. Piredda, A. d. Bartolomeo, C. Bozza, G. Grella, G. Iovane, G. Romano, G. Rosa, Y. Sato, I. Tezuka, FIORILLO, GIULIANA, GARUFI, FABIO, E., Eskut, A., Kayi, G., Onengut, R. v., Dantzig, M. d., Jong, J., Konijn, O., Melzer, R. G. C., C. A. F., J. W., E., J. L., Visscher, A. S., Ayan, E., Pesen, M., Serin Zeyrek, R., Sever, P., Tolun, M. T., Zeyrek, N., Armenise, F., Cassol, M. G., Catanesi, M. T., Muciaccia, E., Radicioni, S., Simone, L., Vivolo, A., Bulte, P., Lendermann, A., Meyer Siever, T., Patzak, K., Winter, P., Anni, M., Gruwe, C., Mommaert, M. V., Donckt, B. V., De, P., Vilain, G., Wilquet, P., Righini, B., Saitta, E. D., Capua, C., Luppi, P., Zucchelli, Y., Ishii, T., Kawamura, M., Kazuno, S., Ogawa, H., Shibuya, R., Beyer, J., Brunner, D., Cussan, J. P., Fabre, R., Ferreira, W., Flegel, R., Gurin, M., Litmaath, L., Ludovici, D., Macina, R. M., Dree, H., Meinhard, P., Migliozzi, E., Niu, H., Overa, J., Panman, I. M., Papadopoulo, F., Riccardi, S., Ricciardi, A., Rozanov, D., Saltzberg, R., Santacesaria, G., Stefanini, R., Tsenov, C., Weinheimer, H., Wong, J., Goldberg, K., Hoepfner, M., Chikawa, E., Arik, I., Birol, A. A., Mailov, C. H., Hahn, H. I., Jang, I. G., Park, M. S., Park, J. S., Song, C. S., Yoon, K., Kodama, N., Ushida, S., Aoki, T., Hara, G., Brooijman, D., Favart, G., Gregoire, J., Herin, V., Lemaitre, A., Artamonov, P., Gorbunov, V., Khovansky, V., Shamanov, V., Smirnitsky, D., Bonekamper, D., Freker, D., Rondeshagen, T., Wolff, K., Hoshino, M., Kobayashi, Y., Kotaka, T., Kozaki, M., Miyanishi, M., Nakamura, K., Nakazawa, T., Nakano, K., Niu, K., Niwa, Y., Obayashi, O., Sato, T., Toshito, S., Buontempo, A., Cocco, N., D'Ambrosio, G. D., Lelli, A., Ereditato, Fiorillo, Giuliana, Garufi, Fabio, F., Marchetti Stasi, M., Messina, Palladino, Vittorio, S., Sorrentino, P., Strolin, K., Nakamura, T., Okusawa, T., Yoshida, A., Capone, D. D., Pedi, S. D., Liberto, U., Dore, P. F., Loverre, A., Maslennikov, M. A., Mazzoni, F., Meddi, G., Piredda, A. d., Bartolomeo, C., Bozza, G., Grella, G., Iovane, G., Romano, G., Rosa, Y., Sato, and I., Tezuka

Subjects
LIMITS, LIGHT, NEUTRINO
Abstract

CHORUS is an experiment searching for nu(mu) --> nu(tau) oscillation in the CERN wide band neutrino beam with a 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(mu)nu(tau). In a sample of 31,423 nu(mu) charged current interactions, no nu(tau) candidates were found. For large Delta m(mu tau)(2) values, a limit on the mixing angle of sin(2)2 theta(mu tau) < 3.5 x 10(-3) at 90% C.L. can be set, thus improving the previous best result. (C) 1998 Elsevier Science B.V.

Published
1998

3. Observation of neutrino induced diffractive D-s*(+) production and subsequent decay D-s*(+)-> D-s(+)->tau(+)->mu(+)

Author

P. Annis, S. Aoki, A. Artamonov, E. Barbuto, A. d. Bartolomeo, D. Bonekamper, C. Bozza, C. Brooijmans, J. Brunner, A. Bulte, S. Buontempo, A. Capone, F. Cassol, M. G. Catanesi, M. Chikawa, A. Cocco, D. Cussans, N. D'Ambrosio, R. v. Dantzig, G. D. Lellis, D. D. Pedis, E. D. Capua, U. Dore, R. E. Aidi, A. Ereditato, D. Favart, R. Ferreira, D. Frekers, J. Goldberg, P. Gorbunov, G. Gregoire, G. Grella, T. Hara, J. Herin, K. Hoshino, G. Iovane, Y. Ishii, M. d. Jong, T. Kawamura, A. Kayis, M. Kazuno, V. Khovansky, K. Kodama, M. Komatsu, J. Konijn, Y. Kotaka, T. Kozaki, M. Litmaath, P. F. Loverre, L. Ludovici, M. Meinhard, O. Melzer, M. Messina, P. Migliozzi, M. Miyanishi, M. T. Muciaccia, K. Nakamura, M. Nakamura, T. Nakano, E. Niu, K. Niu, K. Niwa, Y. Obayashi, S. Ogawa, T. Okusawa, R. G. C., G. Onengut, H. Overas, J. Panman, I. M. Papadopoulos, I. G. Park, E. Pesen, G. Piredda, C. A. F., E. Radicioni, S. Ricciardi, P. Righini, G. Romano, D. Rondeshagen, G. Rosa, D. Saltzberg, B. Saitta, R. Santacesaria, O. Sato, Y. Sato, A. Satta, V. Shamanov, H. Shibuya, S. Simone, J. S. Song, S. Sorrentino, P. Strolin, I. Tezuka, V. Tioukov, P. Tolun, T. Toshito, R. Tsenov, J. W. E., N. Ushida, M. V. Dockt, B. V. de, P. Vilain, J. L. Visschers, L. Vivolo, C. Weinheimer, G. Wilquet, K. Winter, T. Wolff, H. Wong, C. S. Yoon, M. T. Zeyrek, P. Zucchelli, FIORILLO, GIULIANA, PALLADINO, VITTORIO, P., Anni, S., Aoki, A., Artamonov, E., Barbuto, A. d., Bartolomeo, D., Bonekamper, C., Bozza, C., Brooijman, J., Brunner, A., Bulte, S., Buontempo, A., Capone, F., Cassol, M. G., Catanesi, M., Chikawa, A., Cocco, D., Cussan, N., D'Ambrosio, R. v., Dantzig, G. D., Lelli, D. D., Pedi, E. D., Capua, U., Dore, R. E., Aidi, A., Ereditato, D., Favart, R., Ferreira, Fiorillo, Giuliana, D., Freker, J., Goldberg, P., Gorbunov, G., Gregoire, G., Grella, T., Hara, J., Herin, K., Hoshino, G., Iovane, Y., Ishii, M. d., Jong, T., Kawamura, A., Kayi, M., Kazuno, V., Khovansky, K., Kodama, M., Komatsu, J., Konijn, Y., Kotaka, T., Kozaki, M., Litmaath, P. F., Loverre, L., Ludovici, M., Meinhard, O., Melzer, M., Messina, P., Migliozzi, M., Miyanishi, M. T., Muciaccia, K., Nakamura, M., Nakamura, T., Nakano, E., Niu, K., Niu, K., Niwa, Y., Obayashi, S., Ogawa, T., Okusawa, R. G., C., G., Onengut, H., Overa, Palladino, Vittorio, J., Panman, I. M., Papadopoulo, I. G., Park, E., Pesen, G., Piredda, C. A., F., E., Radicioni, S., Ricciardi, P., Righini, G., Romano, D., Rondeshagen, G., Rosa, D., Saltzberg, B., Saitta, R., Santacesaria, O., Sato, Y., Sato, A., Satta, V., Shamanov, H., Shibuya, S., Simone, J. S., Song, S., Sorrentino, P., Strolin, I., Tezuka, V., Tioukov, P., Tolun, T., Toshito, R., Tsenov, J. W., E., N., Ushida, M. V., Dockt, B. V., De, P., Vilain, J. L., Visscher, L., Vivolo, C., Weinheimer, G., Wilquet, K., Winter, T., Wolff, H., Wong, C. S., Yoon, M. T., Zeyrek, and P., Zucchelli

Subjects
PHYSICS, FRAGMENTATION, VECTOR-MESONS
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*(+) --> D-s(+) gamma, D-s(+) --> tau(+) v(tau),tau(+) --> mu(+) v(mu)v(tau). The event is characterised by small Q(2) and small four-momentum transfer squared t to the target nucleon, which indicates a diffractive production mechanism. A complete analysis of the event is presented. (C) 1998 Elsevier Science B.V. All rights reserved.

Published
1998

4. Search for nu(mu) -> nu(tau) oscillation using the tau decay modes into a single charged particle

Author

E. Eskut, A. Kayis, G. Onengut, R. v. Dantzig, M. d. Jong, J. Konijn, O. Melzer, R. G. C. , C. A. F., J. W. E., J. L. Visschers, M. Guler, M. Serin Zeyrek, R. Sever, P. Tolun, M. T. Zeyrek, N. Armenise, F. Cassol, M. G. Catanesi, M. T. Muciaccia, E. Radicioni, S. Simone, L. Vivolo, A. Bulte, T. Patzak, K. Winter, P. Annis, R. E. Aidi, M. Gruwe, C. Mommaert, M. V. Donckt, B. V. de, P. Vilain, G. Wilquet, P. Righini, B. Saitta, E. D. Capua, C. Luppi, P. Zucchelli, Y. Ishii, T. Kawamura, M. Kazuno, S. Ogawa, H. Shibuya, J. Brunner, D. Cussans, J. P. Fabre, R. Ferreira, W. Flegel, M. Litmaath, D. Macina, R. M. Drees, H. Meinhard, P. Migliozzi, E. Niu, H. Overas, J. Panman, I. M. Papadopoulos, E. Pesen, F. Riccardi, S. Ricciardi, A. Rozanov, D. Salzberg, P. Strolin, R. Tsenov, C. Weinheimer, H. Wong, J. Goldberg, K. Hoepfner, M. Chikawa, E. Arik, A. A. Mailov, H. I. Jang, I. G. Park, J. S. Song, C. S. Yoon, K. Kodama, N. Ushida, S. Aoki, T. Hara, G. Brooijmans, D. Favart, G. Gregoire, J. Herin, A. Artamonov, P. Gorbunov, V. Khovansky, V. Shamanov, D. Bonekamper, D. Frekers, D. Rondeshagen, T. Wolff, K. Hoshino, M. Kobayashi, M. Komatsu, Y. Kotaka, T. Kozaki, M. Miyanishi, M. Nakamura, K. Nakazawa, T. Nakano, K. Niu, K. Niwa, Y. Obayashi, O. Sato, T. Toshito, S. Buontempo, A. Cocco, N. D'Ambrosio, G. D. Lellis, A. Ereditato, M. Messina, S. Sorrentino, V. Tioukov, K. Nakamura, T. Okusawa, T. Yoshida, A. Capone, D. D. Pedis, S. D. Liberto, U. Dore, P. F. Loverre, L. Ludovici, A. Maslennikov, M. A. Mazzoni, G. Piredda, R. Santacesaria, A. Satta, E. Barbuto, A. d. Bartolomeo, C. Bozza, G. Grella, G. Iovane, G. Romano, G. Rosa, Y. Sato, I. Tezuka, FIORILLO, GIULIANA, GARUFI, FABIO, PALLADINO, VITTORIO, E., Eskut, A., Kayi, G., Onengut, R. v., Dantzig, M. d., Jong, J., Konijn, O., Melzer, R. G. C., C. A. F., J. W., E., J. L., Visscher, M., Guler, M., Serin Zeyrek, R., Sever, P., Tolun, M. T., Zeyrek, N., Armenise, F., Cassol, M. G., Catanesi, M. T., Muciaccia, E., Radicioni, S., Simone, L., Vivolo, A., Bulte, T., Patzak, K., Winter, P., Anni, R. E., Aidi, M., Gruwe, C., Mommaert, M. V., Donckt, B. V., De, P., Vilain, G., Wilquet, P., Righini, B., Saitta, E. D., Capua, C., Luppi, P., Zucchelli, Y., Ishii, T., Kawamura, M., Kazuno, S., Ogawa, H., Shibuya, J., Brunner, D., Cussan, J. P., Fabre, R., Ferreira, W., Flegel, M., Litmaath, D., Macina, R. M., Dree, H., Meinhard, P., Migliozzi, E., Niu, H., Overa, J., Panman, I. M., Papadopoulo, E., Pesen, F., Riccardi, S., Ricciardi, A., Rozanov, D., Salzberg, P., Strolin, R., Tsenov, C., Weinheimer, H., Wong, J., Goldberg, K., Hoepfner, M., Chikawa, E., Arik, A. A., Mailov, H. I., Jang, I. G., Park, J. S., Song, C. S., Yoon, K., Kodama, N., Ushida, S., Aoki, T., Hara, G., Brooijman, D., Favart, G., Gregoire, J., Herin, A., Artamonov, P., Gorbunov, V., Khovansky, V., Shamanov, D., Bonekamper, D., Freker, D., Rondeshagen, T., Wolff, K., Hoshino, M., Kobayashi, M., Komatsu, Y., Kotaka, T., Kozaki, M., Miyanishi, M., Nakamura, K., Nakazawa, T., Nakano, K., Niu, K., Niwa, Y., Obayashi, O., Sato, T., Toshito, S., Buontempo, A., Cocco, N., D'Ambrosio, G. D., Lelli, A., Ereditato, Fiorillo, Giuliana, Garufi, Fabio, M., Messina, Palladino, Vittorio, S., Sorrentino, V., Tioukov, K., Nakamura, T., Okusawa, T., Yoshida, A., Capone, D. D., Pedi, S. D., Liberto, U., Dore, P. F., Loverre, L., Ludovici, A., Maslennikov, M. A., Mazzoni, G., Piredda, R., Santacesaria, A., Satta, E., Barbuto, A. d., Bartolomeo, C., Bozza, G., Grella, G., Iovane, G., Romano, G., Rosa, Y., Sato, and I., Tezuka

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 decay into a single charged negative hadron, a possible indication for nu(mu) --> nu(tau) oscillation. A sample of 6844 events without an identified muon has been located in the emulsion target. Within the selection criteria, no tau(-) candidate has been found. Combining this result with the one from the search fur nu(tau) interactions using the muonic decay mode (36182 events with an identified muon), a 90% C.L. limit on the mixing angle sin(2)2 theta(mu tau) < 1.8.10(-3) (at large Delta m(2)) has been derived. (C) 1998 Published by Elsevier Science B.V. All rights reserved.

Published
1998

5. The CHORUS experiment to search for nu(mu)->nu(tau) oscillation

Author

E. Eskut, A. Kayis, G. Onengut, R. vanDantzig, J. Konijn, R. G. C. , C. A. F., J. W. E., J. L. Visschers, A. S. Ayan, E. Pesen, M. SerinZeyrek, R. Sever, P. Tolun, M. T. Zeyrek, N. Armenise, F. Cassol, M. G. Catanesi, M. T. Muciaccia, E. Radicioni, S. Simone, L. Vivolo, D. Eckstein, P. Lendermann, A. MeyerSievers, T. Patzak, K. Winter, P. Righini, B. Saitta, P. Annis, M. Gruwe, C. Mommaert, M. VanderDonckt, B. VandeVyver, P. Vilain, G. Wilquet, E. DiCapua, M. Ferroni, C. Luppi, S. Ricciardi, Y. Ishii, T. Kawamura, M. Kazuno, S. Ogawa, H. Shibuya, R. Beyer, J. Brunner, G. Carnevale, J. P. Fabre, R. Ferreira, W. Flegel, R. Gurin, M. deJong, M. Litmaath, L. Ludovici, D. Macina, R. M. Drees, H. Meinhard, E. Niu, H. Overas, J. Panman, F. Riccardi, A. Rozanov, D. Saltzberg, G. Stefanini, R. Tzenov, C. Weinheimer, H. T. Wong, P. Zucchelli, J. Goldberg, K. Hoepfner, H. Chikawa, E. Arik, I. Birol, A. A. Mailov, C. H. Hahn, H. I. Jang, J. Y. Kim, S. N. Kim, I. G. Park, M. S. Park, J. S. Song, C. S. Yoon, K. Kodama, N. Ushida, S. Aoki, T. Hara, G. Brooijmans, D. Favart, G. Gregoire, J. Herin, V. Lemaitre, A. Artamonov, V. Epstein, P. Gorbunov, V. Khovansky, V. Shamanov, V. Smirnitsky, D. Bonekamper, D. Frekers, D. Rondeshagen, T. Wolff, K. Hoshino, M. Kobayashi, M. Komatzu, Y. Kotaka, T. Kozaki, M. Miyanishi, M. Nakamura, T. Nakano, K. Niu, K. Niwa, Y. Obayashi, O. Sato, T. Toshito, S. Buontempo, L. Casagrande, A. G. Cocco, N. DAmbrosio, A. Ereditato, F. MarchettiStasi, M. Messina, P. Migliozzi, S. Sorrentino, P. Strolin, K. Nakamura, T. Okusawa, T. Yoshida, A. Capone, D. DePedis, S. DiLiberto, U. Dore, P. F. Loverre, A. Maslennikov, M. A. Mazzoni, F. Meddi, G. Piredda, R. Santacesaria, A. D. Bartolomeo, C. Bozza, G. Grella, G. Iovane, G. Romano, G. Rosa, Y. Sato, I. Tezuka, FIORILLO, GIULIANA, GARUFI, FABIO, PALLADINO, VITTORIO, E., Eskut, A., Kayi, G., Onengut, R., Vandantzig, J., Konijn, R. G. C., C. A. F., J. W., E., J. L., Visscher, A. S., Ayan, E., Pesen, M., Serinzeyrek, R., Sever, P., Tolun, M. T., Zeyrek, N., Armenise, F., Cassol, M. G., Catanesi, M. T., Muciaccia, E., Radicioni, S., Simone, L., Vivolo, D., Eckstein, P., Lendermann, A., Meyersiever, T., Patzak, K., Winter, P., Righini, B., Saitta, P., Anni, M., Gruwe, C., Mommaert, M., Vanderdonckt, B., Vandevyver, P., Vilain, G., Wilquet, E., Dicapua, M., Ferroni, C., Luppi, S., Ricciardi, Y., Ishii, T., Kawamura, M., Kazuno, S., Ogawa, H., Shibuya, R., Beyer, J., Brunner, G., Carnevale, J. P., Fabre, R., Ferreira, W., Flegel, R., Gurin, M., Dejong, M., Litmaath, L., Ludovici, D., Macina, R. M., Dree, H., Meinhard, E., Niu, H., Overa, J., Panman, F., Riccardi, A., Rozanov, D., Saltzberg, G., Stefanini, R., Tzenov, C., Weinheimer, H. T., Wong, P., Zucchelli, J., Goldberg, K., Hoepfner, H., Chikawa, E., Arik, I., Birol, A. A., Mailov, C. H., Hahn, H. I., Jang, J. Y., Kim, S. N., Kim, I. G., Park, M. S., Park, J. S., Song, C. S., Yoon, K., Kodama, N., Ushida, S., Aoki, T., Hara, G., Brooijman, D., Favart, G., Gregoire, J., Herin, V., Lemaitre, A., Artamonov, V., Epstein, P., Gorbunov, V., Khovansky, V., Shamanov, V., Smirnitsky, D., Bonekamper, D., Freker, D., Rondeshagen, T., Wolff, K., Hoshino, M., Kobayashi, M., Komatzu, Y., Kotaka, T., Kozaki, M., Miyanishi, M., Nakamura, T., Nakano, K., Niu, K., Niwa, Y., Obayashi, O., Sato, T., Toshito, S., Buontempo, L., Casagrande, A. G., Cocco, N., Dambrosio, A., Ereditato, Fiorillo, Giuliana, Garufi, Fabio, F., Marchettistasi, M., Messina, P., Migliozzi, Palladino, Vittorio, S., Sorrentino, P., Strolin, K., Nakamura, T., Okusawa, T., Yoshida, A., Capone, D., Depedi, S., Diliberto, U., Dore, P. F., Loverre, A., Maslennikov, M. A., Mazzoni, F., Meddi, G., Piredda, R., Santacesaria, A. D., Bartolomeo, C., Bozza, G., Grella, G., Iovane, G., Romano, G., Rosa, Y., Sato, and I., Tezuka

Subjects
CALIBRATION, ELECTRON-SCATTERING, LIMITS, HYBRID EXPERIMENT, PARTICLES, NEUTRINO-ELECTRON, CALORIMETER, PERFORMANCE, READOUT, DETECTOR
Abstract

A new experimental apparatus, designed principally for a high sensitivity search for nu( --> mu(tau) oscillation, has been successfully constructed and made operational by the CHORUS Collaboration for the CERN-WA95 experiment. It consists of a large emulsion target, a scintillating fiber tracker system with optoelectronics read-out, an air-core magnet, a set of trigger hodoscopes, a calorimeter based on the lead/scintillating-fiber technique, and a muon spectrometer. The design, construction and performance of the entire apparatus and of the different detectors are described.

Published
1997

6. Flavour universality of neutrino couplings with the Z

Author

B. AKKUS, E. ARIK, R. BEYER, F. W. BUSSER, A. CAPONE, A. G. COCCO, D. DEPEDIS, E. DICAPUA, U. DORE, A. EREDITATO, D. FAVART, W. FLEGEL, C. FOOS, A. FRENKELRAMBALDI, L. GERLAND, P. GORBUNOV, G. GREGOIRE, E. GRIGORIEV, H. GROTE, K. HILLER, V. KHOVANSKY, E. KNOOPS, V. LAIMAITRE, T. LAYDA, W. LIPPICH, D. MACINA, F. MARCHETTISTASI, A. MASLENNIKOV, T. MOUTHUY, R. NAHNHAUER, A. NATHANIEL, F. NIEBERGALL, H. OVERAS, J. PANMAN, G. PIREDDA, G. RADEL, S. RICCIARDI, H. E. ROLOFF, A. ROZANOV, B. SAITTI, R. SANTACESARIA, M. SERINZEYREK, R. SEVER, P. STAHELIN, A. STRAUDE, P. STROLIN, P. TOLUN, P. VILAIN, J. VOGT, T. VOSS, G. WILQUET, K. WINTER, G. ZACEK, V. ZACEK, FIORILLO, GIULIANA, PALLADINO, VITTORIO, P. Bussey (Editor), I. G. Knowles (Editor), B., Akku, E., Arik, R., Beyer, F. W., Busser, A., Capone, A. G., Cocco, D., Depedi, E., Dicapua, U., Dore, A., Ereditato, D., Favart, Fiorillo, Giuliana, W., Flegel, C., Foo, A., Frenkelrambaldi, L., Gerland, P., Gorbunov, G., Gregoire, E., Grigoriev, H., Grote, K., Hiller, V., Khovansky, E., Knoop, V., Laimaitre, T., Layda, W., Lippich, D., Macina, F., Marchettistasi, A., Maslennikov, T., Mouthuy, R., Nahnhauer, A., Nathaniel, F., Niebergall, H., Overa, Palladino, Vittorio, J., Panman, G., Piredda, G., Radel, S., Ricciardi, H. E., Roloff, A., Rozanov, B., Saitti, R., Santacesaria, M., Serinzeyrek, R., Sever, P., Stahelin, A., Straude, P., Strolin, P., Tolun, P., Vilain, J., Vogt, T., Vo, G., Wilquet, K., Winter, G., Zacek, and V., Zacek

Published
1995

7. Clusters of 16/32 bit minicomputers in high energy physics experiments at CERN

Author

M. Ferran, D.A. Jacobs, Jessica Ogilvie, P. Bahler, J.O. Petersen, C. Eck, A. Bogaerts, H. Overas, and A. Lacourt

Subjects
Large Hadron Collider, Data acquisition, Hardware and Architecture, Computer science, law, General Physics and Astronomy, Multiprocessing, 32-bit, Detectors and Experimental Techniques, Particle detector, Minicomputer, law.invention, Computational science
Abstract

A description is given of multiprocessor on-line systems, based on NORD computers, for large physics experiments at CERN. In complex experiments the data acquisition and control functions may be performed by different CPUs in a dual 16-bit NORD-100 computer system. Some configurations include a 32-bit NORD-50 processor, allowing large analysis programs to be implemented and executed in the on-line system. Several examples from currently running CERN physics experiments are given.

Published
1981

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