CERN Accelerating science

Article
Report number arXiv:1404.5933
Title The Angular Matching Method for the Muon Charge Sign Measurement in the OPERA Experiment
Author(s)

Agafonova, N. (Moscow, INR) ; Aleksandrov, A. (INFN, Naples) ; Anokhina, A. (Moscow State U. ; SINP, Moscow) ; Aoki, S. (Kobe U.) ; Ariga, A. (Bern U., LHEP) ; Ariga, T. (Bern U., LHEP) ; Bender, D. (Middle East Tech. U., Ankara) ; Bertolin, A. (INFN, Padua) ; Bozza, C. (Salerno U. ; INFN, Salerno) ; Brugnera, R. (Padua U. ; INFN, Padua) ; Buonaura, A. (INFN, Naples ; Naples U.) ; Buontempo, S. (INFN, Naples) ; Buttner, B. (U. Hamburg (main)) ; Chernyavsky, M. (LPI, Moscow (main)) ; Chukanov, A. (Dubna, JINR) ; Consiglio, L. (INFN, Naples) ; D'Ambrosio, N. (Gran Sasso) ; De Lellis, G. (INFN, Naples ; Naples U.) ; De Serio, M. (INFN, Bari ; Bari U.) ; del Amo Sanchez, P. (Annecy, LAPP) ; Di Crescenzo, A. (INFN, Naples) ; Di Ferdinando, D. (INFN, Bologna) ; Di Marco, N. (Gran Sasso) ; Dmitrievski, S. (Dubna, JINR) ; Dracos, M. (Strasbourg, IPHC) ; Duchesneau, D. (Annecy, LAPP) ; Dusini, S. (INFN, Padua) ; Dzhatdoev, T. (Moscow State U. ; SINP, Moscow) ; Ebert, J. (U. Hamburg (main)) ; Ereditato, A. (Bern U., LHEP) ; Fini, R.A. (INFN, Bari) ; Fukuda, T. (Toho U.) ; Galati, G. (INFN, Bari) ; Garfagnini, A. (Padua U. ; INFN, Padua) ; Giacomelli, G. (Bologna U. ; INFN, Bologna) ; Gollnitz, C. (Hamburg U., Inst. Theor. Phys. II) ; Goldberg, J. (Technion) ; Goloubkov, D. (Moscow, ITEP) ; Gornushkin, Y. (Dubna, JINR) ; Grella, G. (Salerno U. ; INFN, Salerno) ; Guler, M. (Middle East Tech. U., Ankara) ; Gustavino, C. (INFN, Rome) ; Hagner, C. (U. Hamburg (main)) ; Hara, T. (Kobe U.) ; Hollnagel, A. (U. Hamburg (main)) ; Hosseini, B. (INFN, Naples ; Naples U.) ; Ishida, H. (Toho U.) ; Ishiguro, K. (Nagoya U.) ; Jakovcic, K. (Boskovic Inst., Zagreb) ; Jollet, C. (Strasbourg, IPHC) ; Kamiscioglu, C. (Middle East Tech. U., Ankara ; Ankara U.) ; Kamiscioglu, M. (Middle East Tech. U., Ankara) ; Kawada, J. (Bern U., LHEP) ; 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. of Education) ; Komatsu, M. (Nagoya U.) ; Kose, U. (INFN, Padua) ; Kreslo, I. (Bern U., LHEP) ; Lauria, A. (INFN, Naples ; Naples U.) ; Lenkeit, J. (U. Hamburg (main)) ; Ljubicic, A. (Boskovic Inst., Zagreb) ; Longhin, A. (Frascati) ; Loverre, P. (Rome U. ; 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. (Bologna U. ; INFN, Bologna) ; Medinaceli, E. (Padua U. ; INFN, Padua) ; Meregaglia, A. (Strasbourg, IPHC) ; Meyer, M. (U. Hamburg (main) ; LPI, Moscow (main)) ; Mikado, S. (Toho U.) ; Monacelli, P. (INFN, Aquila) ; Montesi, M.C. (INFN, Naples ; Naples U.) ; Morishima, K. (Nagoya 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.) ; Niwa, K. (Nagoya U.) ; Ogawa, S. (Toho U.) ; Okateva, N. (LPI, Moscow (main)) ; Olshevsky, A. (Dubna, JINR) ; Omura, T. (Nagoya U.) ; Ozaki, K. (Kobe U.) ; Paoloni, A. (Frascati) ; Park, B.D. (Gyeongsang Natl. U.) ; Park, I.G. (Gyeongsang Natl. U.) ; Pasqualini, L. (Bologna U. ; INFN, Bologna) ; Pastore, A. (INFN, Bari) ; Patrizii, L. (INFN, Bologna) ; Pessard, H. (Annecy, LAPP) ; Pistillo, C. (Bern U., LHEP) ; Podgrudkov, D. (Moscow State U. ; SINP, Moscow) ; Polukhina, N. (LPI, Moscow (main) ; Moscow Phys. Eng. Inst.) ; Pozzato, M. (Bologna U.) ; Pupilli, F. (Gran Sasso) ; Roda, M. (Padua U. ; INFN, Padua) ; Rokujo, H. (Nagoya U.) ; Roganova, T. (Moscow State U. ; SINP, Moscow) ; Rosa, G. (Rome U. ; INFN, Rome) ; Rostovtseva, I. (Moscow, ITEP) ; Ryazhskaya, O. (Moscow, INR) ; Sato, O. (Nagoya U.) ; Sato, Y. (Utsunomiya U.) ; Schembri, A. (Gran Sasso) ; Shakiryanova, I. (Moscow, INR) ; Shchedrina, T. (INFN, Naples) ; Sheshukov, A. (INFN, Naples) ; Shibuya, H. (Toho U.) ; Shiraishi, T. (Nagoya U.) ; Shoziyoev, G. (Moscow State U. ; SINP, Moscow) ; Simone, S. (INFN, Bari ; Bari U.) ; Sioli, M. (Bologna U. ; INFN, Bologna) ; Sirignano, C. (Padua U. ; INFN, Padua) ; Sirri, G. (INFN, Bologna) ; Spinetti, M. (Frascati) ; Stanco, L. (INFN, Padua) ; Starkov, N. (LPI, Moscow (main)) ; Stellacci, S.M. (Salerno U. ; INFN, Salerno) ; Stipcevic, M. (Boskovic Inst., Zagreb) ; Strolin, P. (INFN, Naples ; Naples U.) ; Takahashi, S. (Kobe U.) ; Tenti, M. (INFN, Bologna) ; Terranova, F. (Frascati ; Milan U.) ; Tioukov, V. (INFN, Naples) ; Tufanli, S. (Bern U., LHEP) ; Vilain, P. (Brussels U.) ; Vladimirov, M. (LPI, Moscow (main)) ; Votano, L. (Frascati) ; Vuilleumier, J.L. (Bern U., LHEP) ; Wilquet, G. (Brussels U.) ; Wonsak, B. (U. Hamburg (main)) ; Yoon, C.S. (Gyeongsang Natl. U.) ; Zaitsev, Y. (Moscow, ITEP) ; Zemskova, S. (Dubna, JINR) ; Zghiche, A. (Annecy, LAPP)

Publication 2016-07-25
Imprint 23 Apr 2014
Number of pages 10
Note 10 pages. Improvements in the text
In: JINST 11 (2016) P07022
DOI 10.1088/1748-0221/11/07/P07022
Subject category Detectors and Experimental Techniques
Accelerator/Facility, Experiment CERN SPS ; OPERA CNGS1
Abstract The long baseline neutrino oscillation experiment OPERA is searching for $\nu_{\tau}$ appearance in the CNGS beam of $\nu_{\mu}$. The task of the two muon spectrometers of the OPERA detector is to clarify the signature of a muonic $\tau$ decay ($\mu^{-}$) and to reduce background originating from charmed particles produced in $\nu_{\mu}$ interactions ($\mu^{+}$). Based on geometric considerations a method called angular matching method is developed which allows to improve the charge sign determination. In a realistic beam Monte Carlo simulation it is shown that the fraction of misidentified muon charges can be reduced by 39%. A first estimation of the fraction of misidentified muon charges with tracks crossing one spectrometer is presented and compared with real data. Furthermore the potential of the new method is demonstrated as it can lead to an improvement of one order of magnitude concerning the fraction of misidentified muon charges.
Copyright/License arXiv nonexclusive-distrib. 1.0



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 Δημιουργία εγγραφής 2014-05-05, τελευταία τροποποίηση 2024-10-27


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