OPERA tau neutrino charged current interactions

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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 det...

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Detalles Bibliográficos
Autores principales: Agafonova, N, Alexandrov, A, Anokhina, A, Aoki, S, Ariga, A, Ariga, T, Bertolin, A, Bozza, C, Brugnera, R, Buonaura, A, Buontempo, S, Chernyavskiy, M, Chukanov, A, Consiglio, L, D'Ambrosio, N, De Lellis, G, De Serio, M, del Amo Sanchez, P, Di Crescenzo, A, Di Ferdinando, D, Di Marco, N, Dmitrievsky, S, Dracos, M, Duchesneau, D, Dusini, S, Dzhatdoev, T, Ebert, J, Ereditato, A, Fini, R A, Fornari, F, Fukuda, T, Galati, G, Garfagnini, A, Gentile, V, Goldberg, J, Gorbunov, S, Gornushkin, Y, Grella, G, Guler, A M, Gustavino, C, Hagner, C, Hara, T, Hayakawa, T, Hollnagel, A, Ishiguro, K, Iuliano, A, Jakovčić, K, Jollet, C, Kamiscioglu, C, Kamiscioglu, M, Kim, S H, Kitagawa, N, Kliček, B, Kodama, K, Komatsu, M, Kose, U, Kreslo, I, Laudisio, F, Lauria, A, Lavasa, A, Longhin, A, Loverre, P, Malgin, A, Mandrioli, G, Matsuo, T, Matveev, V, Mauri, N, Medinaceli, E, Meregaglia, A, Mikado, S, Miyanishi, M, Mizutani, F, Monacelli, P, Montesi, M C, Morishima, K, Muciaccia, M T, Naganawa, N, Naka, T, Nakamura, M, Nakano, T, Niwa, K, Ogawa, S, Okateva, N, Ozaki, K, Paoloni, A, Park, B D, Pasqualini, L, Pastore, A, Patrizii, L, Pessard, H, Podgrudkov, D, Polukhina, N, Pozzato, M, Pupilli, F, Roda, M, Roganova, T, Rokujo, H, Rosa, G, Ryazhskaya, O, Sato, O, Shakirianova, I, Schembri, A, Shchedrina, T, Shibayama, E, Shibuya, H, Shiraishi, T, Šimko, T, Simone, S, Sirignano, C, Sirri, G, Sotnikov, A, Spinetti, M, Stanco, L, Starkov, N, Stellacci, S M, Stipčević, M, Strolin, P, Takahashi, S, Tenti, M, Terranova, F, Tioukov, V, Tsanaktsidis, I, Tufanli, S, Ustyuzhanin, A, Vasina, S, García, M Vidal, Vilain, P, Voevodina, E, Votano, L, Vuilleumier, J L, Wilquet, G, Yoon, C S
Lenguaje:eng
Publicado: 2021
Materias:
Particle Physics - Experiment
Acceso en línea:https://dx.doi.org/10.1038/s41597-021-00991-y
http://cds.cern.ch/record/2783198
Descripción
Sumario: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 vμ beam with a baseline of 730 km, collecting a total of 1.8·10$^{20}$ protons on target. The OPERA Collaboration eventually assessed the discovery of v$_\mu \to$ 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 detailed description of the v$_\tau data sample to make it usable by the whole community.

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