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Measurement of the atmospheric muon charge ratio with the OPERA detector
Date
2010-05-01
Author
Agafonova, N.
Anokhina, A.
Aoki, S.
Ariga, A.
Ariga, T.
Autiero, D.
Badertscher, A.
Bagulya, A.
Bertolin, A.
Besnier, M.
Bick, D.
Boyarkin, V.
Bozza, C.
Brugiere, T.
Brugnera, R.
Brunetti, G.
Buontempo, S.
Cazes, A.
Chaussard, L.
Chernyavsky, M.
Chiarella, V.
Chon-Sen, N.
Chukanov, A.
Cozzi, M.
D'Amato, G.
Dal Corso, F.
D'Ambrosio, N.
De Lellis, G.
Declais, Y.
De Serio, M.
Di Capua, F.
Di Ferdinando, D.
Di Giovanni, A.
Di Marco, N.
Dmitrievski, S.
Dracos, M.
Duchesneau, D.
Dusini, S.
Ebert, J.
Egorov, O.
Enikeev, R.
Ereditato, A.
Esposito, L. S.
Favier, J.
Felici, G.
Ferber, T.
Fini, R.
Frekers, D.
Fukuda, T.
Fukushima, C.
Galkin, V. I.
Garfagnini, A.
Giacomelli, G.
Giorgini, M.
Goellnitz, C.
Goldberg, J.
Golubkov, D.
Goncharova, L.
Gornushkin, Y.
Grella, G.
Grianti, F.
Güler, Ali Murat
Gustavino, C.
Hagner, C.
Hamada, K.
Hara, T.
Hierholzer, M.
Hoshino, K.
Ieva, M.
Jakovcic, K.
Jollet, C.
Juget, F.
Kazuyama, M.
Kim, S. H.
Kimura, M.
Klicek, B.
Knuesel, J.
Kodama, K.
Komatsu, M.
Kose, U.
Kreslo, I.
Kubota, H.
Lazzaro, C.
Lenkeit, J.
Ljubicic, A.
Longhin, A.
Lutter, G.
Malgin, A.
Mandrioli, G.
Marotta, A.
Marteau, J.
Matsuo, T.
Matveev, V.
Mauri, N.
Medinaceli, E.
Meisel, F.
Meregaglia, A.
Migliozzi, P.
Mikado, S.
Miyamoto, S.
Monacelli, P.
Morishima, K.
Moser, U.
Muciaccia, M. T.
Naganawa, N.
Naka, T.
Nakamura, M.
Nakano, T.
Naumov, D.
Nikitina, V.
Niwa, K.
Nonoyama, Y.
Ogawa, S.
Olchevski, A.
Oldorf, C.
Orlova, G.
Osedlo, V.
Paniccia, M.
Paoloni, A.
Park, B. D.
Park, I. G.
Pastore, A.
Patrizii, L.
Pennacchio, E.
Pessard, H.
Pilipenko, V.
Pistillo, C.
Policastro, G.
Polukhina, N.
Pozzato, M.
Pretzl, K.
Publichenko, P.
Pupilli, F.
Rescigno, R.
Roganova, T.
Rokujo, H.
Romano, G.
Rosa, G.
Rostovtseva, I.
Rubbia, A.
Russo, A.
Ryasny, V.
Ryazhskaya, O.
Sato, O.
Sato, Y.
Schembri, A.
Parzefall, W. Schmidt
Schroeder, H.
Lavina, L. Scotto
Sheshukov, A.
Shibuya, H.
Simone, S.
Sioli, M.
Sirignano, C.
Sirri, G.
Song, J. S.
Spinetti, M.
Stanco, L.
Starkov, N.
Stipcevic, M.
Strauss, T.
Strolin, P.
Takahashi, S.
Tenti, M.
Terranova, F.
Tezuka, I.
Tioukov, V.
Tolun, P.
Tran, T.
Tufanli, S.
Vilain, P.
Vladimirov, M.
Votano, L.
Vuilleumier, J. L.
Wilquet, G.
Wonsak, B.
Yakushev, V.
Yoon, C. S.
Yoshioka, T.
Yoshida, J.
Zaitsev, Y.
Zemskova, S.
Zghiche, A.
Zimmermann, R.
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The OPERA detector at the Gran Sasso underground laboratory (LNGS) was used to measure the atmospheric muon charge ratio R-mu = N-mu+/N-mu- in the TeV energy region. We analyzed 403069 atmospheric muons corresponding to 113.4 days of livetime during the 2008 CNGS run. We computed separately the muon charge ratio for single and for multiple muon events in order to select different energy regions of the primary cosmic ray spectrum and to test the R-mu dependence on the primary composition. The measured R-mu values were corrected taking into account the charge-misidentification errors. Data have also been grouped in five bins of the "vertical surface energy" epsilon(mu) cos theta. A fit to a simplified model of muon production in the atmosphere allowed the determination of the pion and kaon charge ratios weighted by the cosmic ray energy spectrum.
URI
https://hdl.handle.net/11511/69647
Journal
EUROPEAN PHYSICAL JOURNAL C
DOI
https://doi.org/10.1140/epjc/s10052-010-1284-8
Collections
Department of Physics, Article
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N. Agafonova et al., “Measurement of the atmospheric muon charge ratio with the OPERA detector,”
EUROPEAN PHYSICAL JOURNAL C
, pp. 25–37, 2010, Accessed: 00, 2020. [Online]. Available: https://hdl.handle.net/11511/69647.