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First combined analysis of neutrino and antineutrino oscillations at T2K

Abe, K. and Amey, J. and Andreopoulos, C. and Antonova, M. and Aoki, S. and Ariga, A. and Autiero, D. and Ban, S. and Barbi, M. and Barker, G. J. and Barr, G. and Barry, C. and Bartet-Friburg, P. and Batkiewicz, M. and Berardi, V. and Berkman, S. and Bhadra, S. and Bienstock, S. and Blondel, A. and Bolognesi, S. and Bordoni, S. and Brailsford, D. and Bravar, A. and Bronner, C. and Avanzini, M. Buizza and Calland, R. G. and Campbell, T. and Cao, S. and Catanesi, M. G. and Cervera, A. and Checchia, C. and Cherdack, D. and Chikuma, N. and Christodoulou, G. and Coleman, J. and Collazuol, G. and Coplowe, D. and Cudd, A. and Dabrowska, A. and Rosa, G. De and Dealtry, T. and Denner, P. F. and Dennis, S. R. and Densham, C. and Dewhurst, D. and Lodovico, F. Di and Luise, S. Di and Dolan, S. and Drapier, O. and Duffy, K. E. and Dumarchez, J. and Dziewiecki, M. and Emery-Schrenk, S. and Ereditato, A. and Feusels, T. and Finch, A. J. and Fiorentini, G. A. and Friend, M. and Fujii, Y. and Fukuda, D. and Fukuda, Y. and Galymov, V. and Giganti, C. and Gizzarelli, F. and Golan, T. and Gonin, M. and Hadley, D. R. and Haegel, L. and Haigh, M. D. and Hansen, D. and Harada, J. and Hartz, M. and Hasegawa, T. and Hastings, N. C. and Hayashino, T. and Hayato, Y. and Helmer, R. L. and Hillairet, A. and Hiraki, T. and Hiramoto, A. and Hirota, S. and Hogan, M. and Holeczek, J. and Hosomi, F. and Huang, K. and Ichikawa, A. K. and Ikeda, M. and Imber, J. and Insler, J. and Intonti, R. A. and Ishida, T. and Ishii, T. and Iwai, E. and Iwamoto, K. and Izmaylov, A. and Jamieson, B. and Jiang, M. and Jonsson, P. and Kabirnezhad, M. and Kaboth, A. C. and Kajita, T. and Kakuno, H. and Kameda, J. and Karlen, D. and Katori, T. and Kearns, E. and Khabibullin, M. and Khotjantsev, A. and Kisiel, J. and Knight, A. and Knox, A. and Kobayashi, T. and Koch, L. and Koga, T. and Konaka, A. and Kondo, K. and Kormos, L. L. and Korzenev, A. and Koshio, Y. and Kowalik, K. and Kropp, W. and Kudenko, Y. and Kurjata, R. and Kutter, T. and Lagoda, J. and Lamont, I. and Lamoureux, M. and Larkin, E. and Lasorak, P. and Laveder, M. and Lawe, M. and Licciardi, M. and Lindner, T. and Liptak, Z. J. and Litchfield, R. P. and Longhin, A. and Lopez, J. P. and Lou, T. and Ludovici, L. and Lu, X. and Magaletti, L. and Mahn, K. and Malek, M. and Manly, S. and Marino, A. D. and Martins, P. and Martynenko, S. and Maruyama, T. and Matveev, V. and Mavrokoridis, K. and Mazzucato, E. and McCarthy, M. and McCauley, N. and McFarland, K. S. and McGrew, C. and Mefodiev, A. and Metelko, C. and Mezzetto, M. and Mijakowski, P. and Minamino, A. and Mineev, O. and Mine, S. and Missert, A. and Miura, M. and Moriyama, S. and Mueller, Th A. and Myslik, J. and Nakadaira, T. and Nakahata, M. and Nakamura, K. G. and Nakamura, K. and Nakamura, K. D. and Nakanishi, Y. and Nakayama, S. and Nakaya, T. and Nakayoshi, K. and Nantais, C. and Nielsen, C. and Nirkko, M. and Nishikawa, K. and Nishimura, Y. and Novella, P. and Nowak, J. and O'Keeffe, H. M. and Okusawa, T. and Oryszczak, W. and Oser, S. M. and Ovsyannikova, T. and Oyama, Y. and Palladino, V. and Palomino, J. L. and Paolone, V. and Patel, N. D. and Paudyal, P. and Pavin, M. and Payne, D. and Perkin, J. D. and Petrov, Y. and Pickard, L. and Guerra, E. S. Pinzon and Pistillo, C. and Popov, B. and Posiadala-Zezula, M. and Poutissou, J. -M. and Poutissou, R. and Przewlocki, P. and Quilain, B. and Radermacher, T. and Radicioni, E. and Ratoff, P. N. and Ravonel, M. and Rayner, M. A. and Redij, A. and Reinherz-Aronis, E. and Riccio, C. and Rodrigues, P. A. and Rondio, E. and Rossi, B. and Roth, S. and Rubbia, A. and Rychter, A. and Sakashita, K. and Sánchez, F. and Scantamburlo, E. and Scholberg, K. and Schwehr, J. and Seiya, Y. and Sekiguchi, T. and Sekiya, H. and Sgalaberna, D. and Shaikhiev, A. and Shaker, F. and Shaw, D. and Shiozawa, M. and Shirahige, T. and Smy, M. and Sobczyk, J. T. and Sobel, H. and Sorel, M. and Southwell, L. and Steinmann, J. and Stewart, T. and Stowell, P. and Suda, Y. and Suvorov, S. and Suzuki, A. and Suzuki, S. Y. and Suzuki, Y. and Tacik, R. and Tada, M. and Takeda, A. and Tanaka, H. K. and Tanaka, H. A. and Terhorst, D. and Terri, R. and Thakore, T. and Tobayama, S. and Toki, W. and Tomura, T. and Touramanis, C. and Tsukamoto, T. and Tzanov, M. and Uchida, Y. and Vagins, M. and Vallari, Z. and Vasseur, G. and Vladisavljevic, T. and Wachala, T. and Wark, D. and Wascko, M. O. and Weber, A. and Wendell, R. and Wilkes, R. J. and Wilking, M. J. and Wret, C. and Yamamoto, K. and Yamamoto, M. and Yanagisawa, C. and Yano, T. and Yen, S. and Yershov, N. and Yokoyama, M. and Yoshida, K. and Yuan, T. and Yu, M. and Zalewska, A. and Zalipska, J. and Zambelli, L. and Zaremba, K. and Ziembicki, M. and Zimmerman, E. D. and Zito, M. and Żmuda, J. (2017) First combined analysis of neutrino and antineutrino oscillations at T2K. Physical Review Letters, 118 (15). ISSN 1079-7114

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    Abstract

    T2K reports its first results in the search for CP violation in neutrino oscillations using appearance and disappearance channels for neutrino- and antineutrino-mode beam. The data include all runs from Jan 2010 to May 2016 and comprise $7.482\times10^{20}$,protons on target in neutrino mode, which yielded in the far detector 32 e-like and 135 $\mu$-like events, and $7.471\times10^{20}$,protons on target in antineutrino mode which yielded 4 e-like and 66 $\mu$-like events. Reactor measurements of $\sin^{2}2\theta_{13}$ have been used as an additional constraint. The one-dimensional confidence interval at 90% for $\delta_{CP}$ spans the range ($-3.13$, $-0.39$) for normal mass ordering. The CP conservation hypothesis ($\delta_{CP}=0,\pi$) is excluded at 90% C.L.

    Item Type: Article
    Journal or Publication Title: Physical Review Letters
    Uncontrolled Keywords: hep-ex
    Subjects:
    Departments: Faculty of Science and Technology > Physics
    ID Code: 85655
    Deposited By: ep_importer_pure
    Deposited On: 22 Mar 2017 14:04
    Refereed?: Yes
    Published?: Published
    Last Modified: 21 Sep 2017 01:56
    Identification Number:
    URI: http://eprints.lancs.ac.uk/id/eprint/85655

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