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Preprint
Report number arXiv:1107.2594 ; CERN-PH-EP-2011-116
Title Search for $\nu_{\mu} \to \nu_{\tau}$ oscillation with the OPERA experiment in the CNGS beam
Author(s)

Agafonova, N. (Moscow, INR) ; Aleksandrov, A. (INFN, Naples) ; Altinok, O. (Middle East Tech. U., Ankara) ; Anokhina, A. (Moscow State U.) ; Aoki, S. (Kobe U.) ; Ariga, A. (Bern U.) ; Ariga, T. (Bern U.) ; Autiero, D. (Lyon, IPN) ; Badertscher, A. (Zurich, ETH) ; Bagulya, A. (Lebedev Inst.) ; Bendhabi, A. (Tunis U.) ; Bertolin, A. (INFN, Padua) ; Bozza, C. (Salerno U. ; INFN, Salerno) ; Brugiere, T. (Lyon, IPN) ; Brugnera, R. (INFN, Padua ; Padua U.) ; Brunet, F. (Annecy, LAPP) ; Brunetti, G. (Lyon, IPN ; Bologna U.) ; Buontempo, S. (INFN, Naples) ; Cazes, A. (Lyon, IPN) ; Chaussard, L. (Lyon, IPN) ; Chernyavsky, M. (Lebedev Inst.) ; Chiarella, V. (INFN, Rome) ; Chukanov, A. (Dubna, JINR) ; D'Ambrosio, N. (Gran Sasso) ; Dal Corso, F. (INFN, Padua) ; Declais, Y. (Lyon, IPN) ; del Amo Sanchez, P. (Annecy, LAPP) ; De Lellis, G. (Naples U. ; INFN, Naples) ; De Serio, M. (INFN, Bari) ; Di Capua, F. (INFN, Naples) ; Di Crescenzo, A. (Naples U. ; INFN, Naples) ; Di Ferdinando, D. (INFN, Bologna) ; Di Marco, N. (INFN, Aquila) ; Dmitrievsky, S. (Dubna, JINR) ; Dracos, M. (Louis Pasteur U., Strasbourg I) ; Duchesneau, D. (Annecy, LAPP) ; Dusini, S. (INFN, Padua) ; Dzhatdoev, T. (Moscow State U.) ; Ebert, J. (Hamburg U., Inst. Theor. Phys. II) ; Egorov, O. (Moscow, ITEP) ; Enikeev, R. (Moscow, INR) ; Ereditato, A. (Bern U.) ; Esposito, L.S. (Zurich, ETH) ; Favier, J. (Annecy, LAPP) ; Ferber, T. (Hamburg U., Inst. Theor. Phys. II) ; Fini, R.A. (INFN, Bari) ; Frekers, D. (Munster U.) ; Fukuda, T. (Nagoya U.) ; Garfagnini, A. (INFN, Padua ; Padua U.) ; Giacomelli, G. (Bologna U. ; INFN, Bologna) ; Giorgini, M. (Bologna U. ; INFN, Bologna) ; Goldberg, J. (Technion) ; Gollnitz, C. (Hamburg U., Inst. Theor. Phys. II) ; Golubkov, D. (Moscow, ITEP) ; Goncharova, L. (Lebedev Inst.) ; Gornushkin, Y. (Dubna, JINR) ; Grella, G. (Salerno U. ; INFN, Salerno) ; Grianti, F. (Urbino U. ; INFN, Rome) ; Guler, A.M. (Middle East Tech. U., Ankara) ; Gustavino, C. (Gran Sasso) ; Hagner, C. (Hamburg U., Inst. Theor. Phys. II) ; Hamada, K. (Nagoya U.) ; Hara, T. (Kobe U.) ; Hierholzer, M. (Hamburg U., Inst. Theor. Phys. II) ; Hollnagel, A. (Hamburg U., Inst. Theor. Phys. II) ; Hoshino, K. (Nagoya U.) ; Ieva, M. (INFN, Bari) ; Ishida, H. (Toho U.) ; Ishiguro, K. (Nagoya U.) ; Jakovcic, K. (Boskovic Inst., Zagreb) ; Jollet, C. (Louis Pasteur U., Strasbourg I) ; Juget, F. (Bern U.) ; Kamiscioglu, M. (Middle East Tech. U., Ankara) ; Kawada, J. (Bern U.) ; Kim, S.H. (Gyeongsang Natl. U.) ; Kimura, M. (Toho U.) ; Kitagawa, N. (Nagoya U.) ; Klicek, B. (Boskovic Inst., Zagreb) ; Knuesel, J. (Bern U.) ; Kodama, K. (Aichi U.) ; Kogiso, Y. (Nagoya U.) ; Komatsu, M. (Nagoya U.) ; Kose, U. (INFN, Padua ; Padua U.) ; Kreslo, I. (Bern U.) ; Lazzaro, C. (Zurich, ETH) ; Lenkeit, J. (Hamburg U., Inst. Theor. Phys. II) ; Lippi, I. (INFN, Padua) ; Ljubicic, A. (Boskovic Inst., Zagreb) ; Longhin, A. (INFN, Rome) ; Loverre, P. (Rome U. ; INFN, Rome) ; Lutter, G. (Bern U.) ; Malgin, A. (Moscow, INR) ; Mandrioli, G. (INFN, Bologna) ; Mannai, K. (Tunis U.) ; Marteau, J. (Lyon, IPN) ; Masuda, H. (Nagoya U.) ; Matsuo, T. (Toho U.) ; Matveev, V. (Moscow, INR) ; Mauri, N. (Bologna U. ; INFN, Bologna) ; Medinaceli, E. (INFN, Bologna) ; Meisel, F. (Bern U.) ; Meregaglia, A. (Louis Pasteur U., Strasbourg I) ; Migliozzi, P. (INFN, Naples) ; Mikado, S. (Toho U.) ; Miyamoto, S. (Nagoya U.) ; Monacelli, P. (INFN, Aquila) ; Morishima, K. (Nagoya U.) ; Moser, U. (Bern U.) ; Muciaccia, M.T. (INFN, Bari ; Bari U.) ; Naganawa, N. (Nagoya U.) ; Naka, T. (Nagoya U.) ; Nakamura, M. (Nagoya U.) ; Nakano, T. (Nagoya U.) ; Nakatsuka, Y. (Nagoya U.) ; Naumov, D. (Dubna, JINR) ; Nikitina, V. (Moscow State U.) ; Niwa, K. (Nagoya U.) ; Nonoyama, Y. (Nagoya U.) ; Ogawa, S. (Toho U.) ; Okateva, N. (Lebedev Inst.) ; Olchevsky, A. (Dubna, JINR) ; Omura, T. (Nagoya U.) ; Palamara, O. (Gran Sasso) ; Paniccia, M. (INFN, Rome) ; Paoloni, A. (INFN, Rome) ; Park, B.D. (Gyeongsang Natl. U.) ; Park, I.G. (Gyeongsang Natl. U.) ; Pastore, A. (INFN, Bari ; Bari U.) ; Patrizii, L. (INFN, Bologna) ; Pennacchio, E. (Lyon, IPN) ; Pessard, H. (Annecy, LAPP) ; Pilipenko, V. (Munster U.) ; Pistillo, C. (Bern U.) ; Polukhina, N. (Lebedev Inst.) ; Pozzato, M. (Bologna U.) ; Pretzl, K. (Bern U.) ; Pupilli, F. (INFN, Aquila) ; Rescigno, R. (Salerno U. ; INFN, Salerno) ; Roganova, T. (Moscow State U.) ; Rokujo, H. (Kobe U.) ; Romano, G. (Salerno U. ; INFN, Salerno) ; Rosa, G. (Rome U. ; INFN, Rome) ; Rostovtseva, I. (Moscow, ITEP) ; Rubbia, A. (Zurich, ETH) ; Russo, A. (Naples U. ; INFN, Naples) ; Ryasny, V. (Moscow, INR) ; Ryazhskaya, O. (Moscow, INR) ; Sakatani, Y. (Nagoya U.) ; Sato, O. (Nagoya U.) ; Sato, Y. (Utsunomiya U.) ; Schembri, A. (Gran Sasso) ; Schmidt-Parzefall, W. (Hamburg U., Inst. Theor. Phys. II) ; Scotto Lavina, L. (Bern U.) ; Sheshukov, A. (Dubna, JINR) ; Shibuya, H. (Toho U.) ; Shoziyoev, G. (Moscow State U.) ; Simone, S. (INFN, Bari ; Bari U.) ; Sioli, M. (Bologna U. ; INFN, Bologna) ; Sirignano, C. (Salerno U. ; INFN, Salerno) ; Sirri, G. (INFN, Bologna) ; Song, J.S. (Gyeongsang Natl. U.) ; Spinetti, M. (INFN, Rome) ; Stanco, L. (INFN, Padua) ; Starkov, N. (Lebedev Inst.) ; Stellacci, M. (Salerno U. ; INFN, Salerno) ; Stipcevic, M. (Boskovic Inst., Zagreb) ; Strauss, T. (Zurich, ETH) ; Strolin, P. (Naples U. ; INFN, Naples) ; Suzuki, K. (Nagoya U.) ; Takahashi, S. (Nagoya U.) ; Tenti, M. (Bologna U. ; INFN, Bologna) ; Terranova, F. (INFN, Rome) ; Tezuka, I. (Utsunomiya U.) ; Tioukov, V. (INFN, Naples) ; Tolun, P. (Middle East Tech. U., Ankara) ; Trabelsi, A. (Tunis U.) ; Tran, T. (Lyon, IPN) ; Tufanli, S. (Middle East Tech. U., Ankara) ; Vilain, P. (Brussels U.) ; Vladimirov, M. (Lebedev Inst.) ; Votano, L. (INFN, Rome) ; Vuilleumier, J.L. (Bern U.) ; Wilquet, G. (Brussels U.) ; Wonsak, B. (Hamburg U., Inst. Theor. Phys. II) ; Yakushev, V. (Moscow, INR) ; Yoon, C.S. (Gyeongsang Natl. U.) ; Yoshida, J. (Nagoya U.) ; Yoshioka, T. (Nagoya U.) ; Zaitsev, Y. (Moscow, ITEP) ; Zemskova, S. (Dubna, JINR) ; Zghiche, A. (Annecy, LAPP) ; Zimmermann, R. (Hamburg U., Inst. Theor. Phys. II)

Publication 2011
Imprint 14 Jul 2011
Number of pages 23
Note Comments: 23 pages, 5 figures
23 pages, 5 figures
Published in: Phys. Lett. B
Subject category Particle Physics - Experiment ; Particle Physics - Experiment
Accelerator/Facility, Experiment CERN SPS ; OPERA CNGS1
Keywords neutrino ; oscillations ; tau-neutrino appearance
Abstract The OPERA neutrino experiment in the underground Gran Sasso Laboratory (LNGS) was designed to perform the first detection of neutrino oscillations in direct appearance mode in the nu_mu to nu_tau channel, the nu_tau signature being the identification of the tau-lepton created in its charged current interaction. The hybrid apparatus consists of a large mass emulsion film/lead target complemented by electronic detectors. It is placed in the high energy long-baseline CERN to LNGS neutrino beam (CNGS) 730 km away from the neutrino source. The observation of a first nu_tau candidate event was reported in 2010. In this paper, we present the status of the experiment based on the analysis of the data taken during the first two years of operation (2008-2009). The statistical significance of the one event observed so far is then assessed.
Other source Inspire
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