Study of neutrino interactions with the electronic detectors of the OPERA experiment

N. Agafonova A. Aleksandrov O. Altinok A. Anokhina S. Aoki A. Ariga T. Ariga D. Autiero 1 A. Badertscher A. Bagulya A. Bendhabi A. Bertolin C. Bozza T. Brugière 1 R. Brugnera F. Brunet 2 G. Brunetti 1 S. Buontempo A. Cazes 1 L. Chaussard 1 M. Chernyavskiy V. Chiarella A. Chukanov N. d'Ambrosio F. Dal Corso G. de Lellis P. del Amo Sanchez 2 Y. Déclais 1 M. de Serio F. Di Capua A. Di Crescenzo D. Di Ferdinando N. Di Marco S. Dmitrievski M. Dracos 3 D. Duchesneau 2 S. Dusini T. Dzhatdoev J. Ebert O. Egorov R. Enikeev A. Ereditato L. S. Esposito J. Favier 2 T. Ferber R.A. Fini D. Frekers T. Fukuda A. Garfagnini G. Giacomelli M. Giorgini C. Göllnitz J. Goldberg D. Golubkov L. Goncharova Y. Gornushkin G. Grella F. Grianti A. M. Guler C. Gustavino C. Hagner K. Hamada T. Hara M. Hierholzer A. Hollnagel K. Hoshino M. Ieva H. Ishida K. Jakovcic C. Jollet F. Juget M. Kamiscioglu K. Kazuyama S. H. Kim M. Kimura N. Kitagawa B. Klicek J. Knuesel K. Kodama M. Komatsu U. Kose I. Kreslo H. Kubota C. Lazzaro J. Lenkeit I. Lippi A. Ljubicic A. Longhin P. Loverre G. Lutter A. Malgin G. Mandrioli K. Mannai J. Marteau 1 T. Matsuo V. Matveev N. Mauri E. Medinaceli F. Meisel A. Meregaglia 3 P. Migliozzi S. Mikado S. Miyamoto P. Monacelli K. Morishima U. Moser M. T. Muciaccia N. Naganawa T. Naka M. Nakamura T. Nakano D. Naumov V. Nikitina K. Niwa Y. Nonoyama S. Ogawa N. Okateva A. Olchevski M. Paniccia A. Paoloni B. D. Park I. G. Park A. Pastore L. Patrizii E. Pennacchio 1 H. Pessard 2 K. Pretzl V. Pilipenko C. Pistillo N. Polukhina M. Pozzato F. Pupilli R. Rescigno T. Roganova H. Rokujo G. Romano G. Rosa I. Rostovtseva A. Rubbia A. Russo V. Ryasny O. Ryazhskaya O. Sato Y. Sato A. Schembri W. Schmidt-Parzefall H. Schroeder L. Scotto Lavina A. Sheshukov H. Shibuya G. Shoziyeov S. Simone M. Sioli C. Sirignano G. Sirri J.S. Song M. Spinetti L. Stanco N. Starkov M. Stipcevic T. Strauss P. Strolin S. Takahashi M. Tenti F. Terranova I. Tezuka V. Tioukov P. Tolun A. Trabelsi T. Tran 1 S. Tufanli P. Vilain M. Vladimirov L. Votano J. L. Vuilleumier G. Wilquet B. Wonsak V. Yakushev C. S. Yoon T. Yoshioka J. Yoshida Y. Zaitsev S. Zemskova A. Zghiche 2 R. Zimmermann
Abstract : The OPERA experiment is based on a hybrid technology combining electronic detectors and nuclear emulsions. OPERA collected muon-neutrino interactions during the 2008 and 2009 physics runs of the CNGS neutrino beam, produced at CERN with an energy range of about 5-35 GeV. A total of $5.3 \times 10^{19}$ protons on target equivalent luminosity has been analysed with the OPERA electronic detectors: scintillator strips target trackers and magnetic muon spectrometers equipped with resistive plate gas chambers and drift tubes, allowing a detailed reconstruction of muon-neutrino interactions. Charged Current (CC) and Neutral Current (NC) interactions are identified, using the measurements in the electronic detectors, and the NC/CC ratio is computed. The momentum distribution and the charge of the muon tracks produced in CC interactions are analysed. Calorimetric measurements of the visible energy are performed for both the CC and NC samples. For CC events the Bjorken-$y$ distribution and the hadronic shower profile are computed. The results are compared to a detailed Monte Carlo simulation of the electronic detectors' response.
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N. Agafonova, A. Aleksandrov, O. Altinok, A. Anokhina, S. Aoki, et al.. Study of neutrino interactions with the electronic detectors of the OPERA experiment. New Journal of Physics, Institute of Physics: Open Access Journals, 2011, 13, pp.053051. ⟨10.1088/1367-2630/13/5/053051⟩. ⟨in2p3-00564791⟩

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