OPERA Tau Neutrino Charged Current Interactions.

N. Agafonova,A. Alexandrov,A. Anokhina,S. Aoki,A. Ariga,T. Ariga,A. Bertolin,C. Bozza,R. Brugnera,A. Buonaura,S. Buontempo,M. Chernyavskiy,A. Chukanov,L. Consiglio,N. D'Ambrosio,G. De Lellis,M. De Serio,P. del Amo Sanchez,A. Di Crescenzo,D. Di Ferdinando,N. Di Marco,S. Dmitrievsky,M. Dracos,D. Duchesneau, S. Dusini,T. Dzhatdoev,J. Ebert,A. Ereditato,R. A. Fini,F. Fornari,T. Fukuda,G. Galati,A. Garfagnini,V. Gentile,J. Goldberg,S. Gorbunov,Y. Gornushkin,G. Grella,A. M. Guler,C. Gustavino,C. Hagner,T. Hara,T. Hayakawa,A. Hollnagel,K. Ishiguro,A. Iuliano,K. Jakovcic,C. Jollet,C. Kamiscioglu,M. Kamiscioglu,S. H. Kim,N. Kitagawa,B. Klicek,K. Kodama,M. Komatsu,U. Kose,I. Kreslo,F. Laudisio,A. Lauria,A. Lavasa,A. Longhin,P. Loverre,A. Malgin,G. Mandrioli,T. Matsuo,V. Matveev,N. Mauri,E. Medinaceli,A. Meregaglia,S. Mikado,M. Miyanishi,F. Mizutani,P. Monacelli,M. C. Montesi,K. Morishima,M. T. Muciaccia,N. Naganawa,T. Naka,M. Nakamura,T. Nakano,K. Niwa,S. Ogawa,N. Okateva,K. Ozaki,A. Paoloni,B. D. Park,L. Pasqualini,A. Pastore,L. Patrizii,H. Pessard,D. Podgrudkov,N. Polukhina,M. Pozzato,F. Pupilli,M. Roda,T. Roganova,H. Rokujo,G. Rosa,O. Ryazhskaya,O. Sato,I. Shakirianova,A. Schembri,T. Shchedrina,E. Shibayama,H. Shibuya,T. Shiraishi,T. Simko,S. Simone,C. Sirignano,G. Sirri,A. Sotnikov,M. Spinetti,L. Stanco,N. Starkov,S. M. Stellacci,M. Stipcevic,P. Strolin,S. Takahashi,M. Tenti,F. Terranova,V. Tioukov, I. Tsanaktsidis,S. Tufanli,A. Ustyuzhanin,S. Vasina, M. Vidal Garcia,P. Vilain,E. Voevodina,L. Votano,J. L. Vuilleumier,G. Wilquet,C. S. Yoon

Scientific data（2021）

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摘要

The OPERA experiment was designed to discover the v(tau) appearance in a v(mu) beam, due to neutrino oscillations. The detector, located in the underground Gran Sasso Laboratory, consisted of a nuclear photographic emulsion/lead target with a mass of about 1.25 kt, complemented by electronic detectors. It was exposed from 2008 to 2012 to the CNGS beam: an almost pure v(mu) beam with a baseline of 730 km, collecting a total of 1.8 center dot 10(20) protons on target. The OPERA Collaboration eventually assessed the discovery of v(mu)-> v(tau) oscillations with a statistical significance of 6.1 sigma by observing ten v(tau) CC interaction candidates. These events have been published on the Open Data Portal at CERN. This paper provides a ydetailed description of the v(tau) data sample to make it usable by the whole community.

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