/ hep-ex arXiv:1404.4357


Procedure for short-lived particle detection in the OPERA experiment and its application to charm decays


Agafonova, N. (Moscow, INR) ; Anokhina, A. (Moscow State U.) ; Aoki, S. (Kobe U.) ; Ariga, A. (Bern U.) ; Ariga, T. (Bern U.) ; Bender, D. (Middle East Tech. U., Ankara) ; Bertolin, A. (INFN, Padua) ; Bozza, C. (INFN, Salerno) ; Brugnera, R. (INFN, Padua) ; Buonaura, A. (INFN, Naples) ; Buontempo, S. (INFN, Naples) ; Buttner, B. (Hamburg U.) ; Chernyavsky, M. (Lebedev Inst.) ; Chukanov, A. (Dubna, JINR) ; Consiglio, L. (INFN, Naples) ; D'Ambrosio, N. (Gran Sasso) ; De Lellis, G. (INFN, Naples) ; De Serio, M. (INFN, Bari) ; del Amo Sanchez, P. (Savoie U.) ; Di Crescenzo, A. (INFN, Naples) ; Di Ferdinando, D. (INFN, Bologna) ; Di Marco, N. (Gran Sasso) ; Dmitrievski, S. (Dubna, JINR) ; Dracos, M. (Louis Pasteur U., Strasbourg I) ; Duchesneau, D. (Savoie U.) ; Dusini, S. (INFN, Padua) ; Dzhatdoev, T. (Moscow State U.) ; Ebert, J. (Hamburg U.) ; Ereditato, A. (Bern U.) ; Fini, R.A. (INFN, Bari) ; Fukuda, T. (Toho U.) ; Galati, G. (INFN, Naples) ; Garfagnini, A. (INFN, Padua) ; Giacomelli, G. (INFN, Bologna) ; Gollnitz, C. (Hamburg U.) ; Goldberg, J. (Technion) ; Gornushkin, Y. (Dubna, JINR) ; Grella, G. (INFN, Salerno) ; Guler, M. (Middle East Tech. U., Ankara) ; Gustavino, C. (INFN, Rome) ; Hagner, C. (Hamburg U.) ; Hara, T. (Kobe U.) ; Hollnagel, A. (Hamburg U.) ; Hosseini, B. (INFN, Naples) ; Ishida, H. (Toho U.) ; Ishiguro, K. (Nagoya U.) ; Jakovcic, K. (Boskovic Inst., Zagreb) ; Jollet, C. (Louis Pasteur U., Strasbourg I) ; Kamiscioglu, C. (Middle East Tech. U., Ankara) ; Kamiscioglu, M. (Middle East Tech. U., Ankara) ; Kawada, J. (Bern U.) ; Kim, J.H. (Gyeongsang Natl. U.) ; Kim, S.H. (Gyeongsang Natl. U.) ; Kitagawa, N. (Nagoya U.) ; Klicek, B. (Boskovic Inst., Zagreb) ; Kodama, K. (Aichi U.) ; Komatsu, M. (Nagoya U.) ; Kose, U. (INFN, Padua) ; Kreslo, I. (Bern U.) ; Lauria, A. (INFN, Naples) ; Lenkeit, J. (Hamburg U.) ; Ljubicic, A. (Boskovic Inst., Zagreb) ; Longhin, A. (INFN, Rome) ; Loverre, P. (INFN, Rome) ; Malgin, A. (Moscow, INR) ; Malenica, M. (Boskovic Inst., Zagreb) ; Mandrioli, G. (INFN, Bologna) ; Matsuo, T. (Toho U.) ; Matveev, V. (Moscow, INR) ; Mauri, N. (INFN, Bologna) ; Medinaceli, E. (INFN, Padua) ; Meregaglia, A. (Louis Pasteur U., Strasbourg I) ; Mikado, S. (Nihon U., Narashino) ; Monacelli, P. (INFN, Rome) ; Montesi, M.C. (INFN, Naples) ; Morishima, K. (Nagoya U.) ; Muciaccia, M.T. (INFN, Bari) ; Naganawa, N. (Nagoya U.) ; Naka, T. (Nagoya U.) ; Nakamura, M. (Nagoya U.) ; Nakano, T. (Nagoya U.) ; Nakatsuka, Y. (Nagoya U.) ; Niwa, K. (Nagoya U.) ; Ogawa, S. (Toho U.) ; Okateva, N. (Lebedev Inst.) ; Olshevsky, A. (Dubna, JINR) ; Omura, T. (Nagoya U.) ; Ozaki, K. (Kobe U.) ; Paoloni, A. (INFN, Rome) ; Park, B.D. (Gyeongsang Natl. U.) ; Park, I.G. (Gyeongsang Natl. U.) ; Pasqualini, L. (INFN, Bologna) ; Pastore, A. (INFN, Bari) ; Patrizii, L. (INFN, Bologna) ; Pessard, H. (Savoie U.) ; Pistillo, C. (Bern U.) ; Podgrudkov, D. (Moscow State U.) ; Polukhina, N. (Lebedev Inst.) ; Pozzato, M. (INFN, Bologna) ; Pupilli, F. (Gran Sasso) ; Roda, M. (INFN, Padua) ; Rokujo, H. (Nagoya U.) ; Roganova, T. (Moscow State U.) ; Rosa, G. (INFN, Rome) ; Ryazhskaya, O. (Moscow, INR) ; Sato, O. (Nagoya U.) ; Schembri, A. (Gran Sasso) ; Shakiryanova, I. (Moscow, INR) ; Shchedrina, T. (INFN, Naples) ; Sheshukov, A. (Dubna, JINR) ; Shibuya, H. (Toho U.) ; Shiraishi, T. (Nagoya U.) ; Shoziyoev, G. (Moscow State U.) ; Simone, S. (INFN, Bari) ; Sioli, M. (INFN, Bologna) ; Sirignano, C. (INFN, Padua) ; Sirri, G. (INFN, Bologna) ; Spinetti, M. (INFN, Rome) ; Stanco, L. (INFN, Padua) ; Starkov, N. (Lebedev Inst.) ; Stellacci, S.M. (INFN, Salerno) ; Stipcevic, M. (Boskovic Inst., Zagreb) ; Strauss, T. (Bern U.) ; Strolin, P. (INFN, Naples) ; Takahashi, S. (Kobe U.) ; Tenti, M. (INFN, Bologna) ; Terranova, F. (Milan U.) ; Tioukov, V. (INFN, Naples) ; Tufanli, S. (Bern U.) ; 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.) ; Yoon, C.S. (Gyeongsang Natl. U.) ; Zemskova, S. (Dubna, JINR) ; Zghiche, A. (Savoie U.)

Abstract: The OPERA experiment, designed to perform the first observation of $\nu_\mu \rightarrow \nu_\tau$ oscillations in appearance mode through the detection of the $\tau$ leptons produced in $\nu_\tau$ charged current interactions, has collected data from 2008 to 2012. In the present paper, the procedure developed to detect $\tau$ particle decays, occurring over distances of the order of 1 mm from the neutrino interaction point, is described in detail. The results of its application to the search for charmed hadrons are then presented as a validation of the methods for $\nu_\tau$ appearance detection.

Web-Page: http://inspirehep.net/record/1291039/files/DZero_v1.png; http://inspirehep.net/record/1291039/files/Evis_all_errorbar_zeroentry.png; http://inspirehep.net/record/1291039/files/dl_charm_zeroentry.png; http://inspirehep.net/record/1291039/files/ip.png; http://inspirehep.net/record/1291039/files/ip_charm_zeroentry.png; http://inspirehep.net/record/1291039/files/ip_dz.png; http://inspirehep.net/record/1291039/files/phi_charm.png; http://inspirehep.net/record/1291039/files/pmu_charm_zeroentry2.png; http://inspirehep.net/record/1291039/files/arXiv:1404.4357.pdf


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