/ hep-ex arXiv:1701.00432


First combined analysis of neutrino and antineutrino oscillations at T2K


Abe, K. (Kamioka Observ.) ; Amey, J. (Imperial Coll., London) ; Andreopoulos, C. (Liverpool U.) ; Antonova, M. (Moscow, INR) ; Aoki, S. (Kobe U.) ; Ariga, A. (Bern U., LHEP) ; Autiero, D. (Lyon, IPN) ; Ban, S. (Kyoto U.) ; Barbi, M. (Regina U.) ; Barker, G.J. (Warwick U.) ; Barr, G. (Oxford U.) ; Barry, C. (Liverpool U.) ; Bartet-Friburg, P. (Paris U., VI-VII) ; Batkiewicz, M. (Cracow, INP) ; Berardi, V. (INFN, Bari) ; Berkman, S. (TRIUMF) ; Bhadra, S. (York U., Toronto, Dept. Phys. Astron.) ; Bienstock, S. (Paris U., VI-VII) ; Blondel, A. (Geneva U.) ; Bolognesi, S. (IRFU, SPhN, Saclay) ; Bordoni, S. (Barcelona, IFAE) ; Boyd, S.B. (Warwick U.) ; Brailsford, D. (Lancaster U.) ; Bravar, A. (Geneva U.) ; Bronner, C. (Tokyo U., IPMU) ; Buizza Avanzini, M. (Ecole Polytechnique) ; Calland, R.G. (Tokyo U., IPMU) ; Campbell, T. (Colorado State U.) ; Cao, S. (KEK, Tsukuba) ; Cartwright, S.L. (Sheffield U.) ; Catanesi, M.G. (INFN, Bari) ; Cervera, A. (Valencia U., IFIC) ; Checchia, C. (Padua U.) ; Cherdack, D. (Colorado State U.) ; Chikuma, N. (Tokyo U.) ; Christodoulou, G. (Liverpool U.) ; Clifton, A. (Colorado State U.) ; Coleman, J. (Liverpool U.) ; Collazuol, G. (Padua U.) ; Coplowe, D. (Oxford U.) ; Cudd, A. (Michigan State U.) ; Dabrowska, A. (Cracow, INP) ; De Rosa, G. (Naples U.) ; Dealtry, T. (Lancaster U.) ; Denner, P.F. (Warwick U.) ; Dennis, S.R. (Liverpool U.) ; Densham, C. (Rutherford) ; Dewhurst, D. (Oxford U.) ; Di Lodovico, F. (Queen Mary, U. of London) ; Di Luise, S. (Zurich, ETH) ; Dolan, S. (Oxford U.) ; Drapier, O. (Ecole Polytechnique) ; Duffy, K.E. (Oxford U.) ; Dumarchez, J. (Paris U., VI-VII) ; Dziewiecki, M. (Warsaw U. of Tech.) ; Emery-Schrenk, S. (IRFU, SPhN, Saclay) ; Ereditato, A. (Bern U., LHEP) ; Feusels, T. (TRIUMF) ; Finch, A.J. (Lancaster U.) ; Fiorentini, G.A. (York U., Toronto, Dept. Phys. Astron.) ; Friend, M. (KEK, Tsukuba) ; Fujii, Y. (KEK, Tsukuba) ; Fukuda, D. (Okayama U.) ; Fukuda, Y. (Miyagi U. of Education) ; Galymov, V. (Lyon, IPN) ; Garcia, A. (Barcelona, IFAE) ; Giganti, C. (Paris U., VI-VII) ; Gizzarelli, F. (IRFU, SPhN, Saclay) ; Golan, T. (Wroclaw U.) ; Gonin, M. (Ecole Polytechnique) ; Hadley, D.R. (Warwick U.) ; Haegel, L. (Geneva U.) ; Haigh, M.D. (Warwick U.) ; Hansen, D. (Pittsburgh U.) ; Harada, J. (Osaka City U.) ; Hartz, M. (TRIUMF) ; Hasegawa, T. (KEK, Tsukuba) ; Hastings, N.C. (Regina U.) ; Hayashino, T. (Kyoto U.) ; Hayato, Y. (Tokyo U., IPMU) ; Helmer, R.L. (TRIUMF) ; Hillairet, A. (Victoria U.) ; Hiraki, T. (Kyoto U.) ; Hiramoto, A. (Kyoto U.) ; Hirota, S. (Kyoto U.) ; Hogan, M. (Colorado State U.) ; Holeczek, J. (Silesia U.) ; Hosomi, F. (Tokyo U.) ; Huang, K. (Kyoto U.) ; Ichikawa, A.K. (Kyoto U.) ; Ikeda, M. (Kamioka Observ.) ; Imber, J. (Ecole Polytechnique) ; Insler, J. (Louisiana State U.) ; Intonti, R.A. (INFN, Bari) ; Ishida, T. (KEK, Tsukuba) ; Ishii, T. (KEK, Tsukuba) ; Iwai, E. (KEK, Tsukuba) ; Iwamoto, K. (Rochester U.) ; Izmaylov, A. (Moscow, INR) ; Jamieson, B. (Manitoba U.) ; Jiang, M. (Kyoto U.) ; Johnson, S. (Colorado U.) ; Jonsson, P. (Imperial Coll., London) ; Jung, C.K. (SUNY, Stony Brook) ; Kabirnezhad, M. (Warsaw, Inst. Nucl. Studies) ; Kaboth, A.C. (Rutherford) ; Kajita, T. (Tokyo U., ICRR) ; Kakuno, H. (Tokyo Metropolitan U.) ; Kameda, J. (Kamioka Observ.) ; Karlen, D. (TRIUMF) ; Katori, T. (Queen Mary, U. of London) ; Kearns, E. (Tokyo U., IPMU) ; Khabibullin, M. (Moscow, INR) ; Khotjantsev, A. (Moscow, INR) ; Kim, H. (Osaka City U.) ; Kim, J. (TRIUMF) ; King, S. (Queen Mary, U. of London) ; Kisiel, J. (Silesia U.) ; Knight, A. (Warwick U.) ; Knox, A. (Lancaster U.) ; Kobayashi, T. (KEK, Tsukuba) ; Koch, L. (Aachen, Tech. Hochsch.) ; Koga, T. (Tokyo U.) ; Konaka, A. (TRIUMF) ; Kondo, K. (Kyoto U.) ; Kormos, L.L. (Lancaster U.) ; Korzenev, A. (Geneva U.) ; Koshio, Y. (Okayama U.) ; Kowalik, K. (Warsaw, Inst. Nucl. Studies) ; Kropp, W. (UC, Irvine) ; Kudenko, Y. (Moscow, INR) ; Kurjata, R. (Warsaw U. of Tech.) ; Kutter, T. (Louisiana State U.) ; Lagoda, J. (Warsaw, Inst. Nucl. Studies) ; Lamont, I. (Lancaster U.) ; Lamoureux, M. (IRFU, SPhN, Saclay) ; Larkin, E. (Warwick U.) ; Lasorak, P. (Queen Mary, U. of London) ; Laveder, M. (Padua U.) ; Lawe, M. (Lancaster U.) ; Licciardi, M. (Ecole Polytechnique) ; Lindner, T. (TRIUMF) ; Liptak, Z.J. (Colorado U.) ; Litchfield, R.P. (Imperial Coll., London) ; Li, X. (SUNY, Stony Brook) ; Longhin, A. (Padua U.) ; Lopez, J.P. (Colorado U.) ; Lou, T. (Tokyo U.) ; Ludovici, L. (INFN, Rome) ; Lu, X. (Oxford U.) ; Magaletti, L. (INFN, Bari) ; Mahn, K. (Michigan State U.) ; Malek, M. (Sheffield U.) ; Manly, S. (Rochester U.) ; Marino, A.D. (Colorado U.) ; Martin, J.F. (Toronto U.) ; Martins, P. (Queen Mary, U. of London) ; Martynenko, S. (SUNY, Stony Brook) ; Maruyama, T. (KEK, Tsukuba) ; Matveev, V. (Moscow, INR) ; Mavrokoridis, K. (Liverpool U.) ; Ma, W.Y. (Imperial Coll., London) ; Mazzucato, E. (IRFU, SPhN, Saclay) ; McCarthy, M. (York U., Toronto, Dept. Phys. 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(Lancaster U.) ; Okumura, K. (Tokyo U., IPMU) ; Okusawa, T. (Osaka City U.) ; Oryszczak, W. (Warsaw U.) ; Oser, S.M. (TRIUMF) ; Ovsyannikova, T. (Moscow, INR) ; Owen, R.A. (Queen Mary, U. of London) ; Oyama, Y. (KEK, Tsukuba) ; Palladino, V. (Naples U.) ; Palomino, J.L. (SUNY, Stony Brook) ; Paolone, V. (Pittsburgh U.) ; Patel, N.D. (Kyoto U.) ; Paudyal, P. (Liverpool U.) ; Pavin, M. (Paris U., VI-VII) ; Payne, D. (Liverpool U.) ; Perkin, J.D. (Sheffield U.) ; Petrov, Y. (TRIUMF) ; Pickard, L. (Sheffield U.) ; Pickering, L. (Imperial Coll., London) ; Pinzon Guerra, E.S. (York U., Toronto, Dept. Phys. Astron.) ; Pistillo, C. (Bern U., LHEP) ; Popov, B. (Paris U., VI-VII) ; Posiadala-Zezula, M. (Warsaw U.) ; Poutissou, J.-M. (TRIUMF) ; Poutissou, R. (TRIUMF) ; Przewlocki, P. (Warsaw, Inst. Nucl. Studies) ; Quilain, B. (Kyoto U.) ; Radermacher, T. (Aachen, Tech. Hochsch.) ; Radicioni, E. (INFN, Bari) ; Ratoff, P.N. (Lancaster U.) ; Ravonel, M. (Geneva U.) ; Rayner, M.A. (Geneva U.) ; Redij, A. (Bern U., LHEP) ; Reinherz-Aronis, E. (Colorado State U.) ; Riccio, C. (Naples U.) ; Rodrigues, P.A. (Rochester U.) ; Rondio, E. (Warsaw, Inst. Nucl. Studies) ; Rossi, B. (Naples U.) ; Roth, S. (Aachen, Tech. Hochsch.) ; Rubbia, A. (Zurich, ETH) ; Rychter, A. (Warsaw U. of Tech.) ; Sakashita, K. (KEK, Tsukuba) ; Sánchez, F. (Barcelona, IFAE) ; Scantamburlo, E. (Geneva U.) ; Scholberg, K. (Duke U.) ; Schwehr, J. (Colorado State U.) ; Scott, M. (TRIUMF) ; Seiya, Y. (Osaka City U.) ; Sekiguchi, T. (KEK, Tsukuba) ; Sekiya, H. (Tokyo U., IPMU) ; Sgalaberna, D. (Geneva U.) ; Shah, R. (Oxford U.) ; Shaikhiev, A. (Moscow, INR) ; Shaker, F. (Manitoba U.) ; Shaw, D. (Lancaster U.) ; Shiozawa, M. (Tokyo U., IPMU) ; Shirahige, T. (Okayama U.) ; Short, S. (Queen Mary, U. of London) ; Smy, M. (UC, Irvine) ; Sobczyk, J.T. (Wroclaw U.) ; Sobel, H. (Tokyo U., IPMU) ; Sorel, M. (Valencia U., IFIC) ; Southwell, L. (Lancaster U.) ; Steinmann, J. (Aachen, Tech. Hochsch.) ; Stewart, T. (Rutherford) ; Stowell, P. (Sheffield U.) ; Suda, Y. (Tokyo U.) ; Suvorov, S. (Moscow, INR) ; Suzuki, A. (Kobe U.) ; Suzuki, S.Y. (KEK, Tsukuba) ; Suzuki, Y. (Tokyo U., IPMU) ; Tacik, R. (TRIUMF) ; Tada, M. (KEK, Tsukuba) ; Takeda, A. (Kamioka Observ.) ; Takeuchi, Y. (Tokyo U., IPMU) ; Tanaka, H.K. (Kamioka Observ.) ; Tanaka, H.A. (TRIUMF) ; Terhorst, D. (Aachen, Tech. Hochsch.) ; Terri, R. (Queen Mary, U. of London) ; Thakore, T. (Louisiana State U.) ; Thompson, L.F. (Sheffield U.) ; Tobayama, S. (TRIUMF) ; Toki, W. (Colorado State U.) ; Tomura, T. (Kamioka Observ.) ; Touramanis, C. (Liverpool U.) ; Tsukamoto, T. (KEK, Tsukuba) ; Tzanov, M. (Louisiana State U.) ; Uchida, Y. (Imperial Coll., London) ; Vagins, M. (UC, Irvine) ; Vallari, Z. (SUNY, Stony Brook) ; Vasseur, G. (IRFU, SPhN, Saclay) ; Vladisavljevic, T. (Tokyo U., IPMU) ; Wachala, T. (Cracow, INP) ; Walter, C.W. (Duke U.) ; Wark, D. (Oxford U.) ; Wascko, M.O. (KEK, Tsukuba) ; Weber, A. (Oxford U.) ; Wendell, R. (Kyoto U.) ; Wilkes, R.J. (Washington U., Seattle) ; Wilking, M.J. (SUNY, Stony Brook) ; Wilkinson, C. (Bern U., LHEP) ; Wilson, J.R. (Queen Mary, U. of London) ; Wilson, R.J. (Colorado State U.) ; Wret, C. (Imperial Coll., London) ; Yamada, Y. (KEK, Tsukuba) ; Yamamoto, K. (Osaka City U.) ; Yamamoto, M. (Kyoto U.) ; Yanagisawa, C. (SUNY, Stony Brook) ; Yano, T. (Kobe U.) ; Yen, S. (TRIUMF) ; Yershov, N. (Moscow, INR) ; Yokoyama, M. (Tokyo U.) ; Yoshida, K. (Kyoto U.) ; Yuan, T. (Colorado U.) ; Yu, M. (York U., Toronto, Dept. Phys. Astron.) ; Zalewska, A. (Cracow, INP) ; Zalipska, J. (Warsaw, Inst. Nucl. Studies) ; Zambelli, L. (KEK, Tsukuba) ; Zaremba, K. (Warsaw U. of Tech.) ; Ziembicki, M. (Warsaw U. of Tech.) ; Zimmerman, E.D. (Colorado U.) ; Zito, M. (IRFU, SPhN, Saclay) ; Zmuda, J. (Wroclaw U.)

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.

Web-Page: http://inspirehep.net/record/1507465/files/plots_dcp_mh_react_run17_interval_90cl_v4.png; http://inspirehep.net/record/1507465/files/plots_spectra_divide_fhcRe_K_noratio.png; http://inspirehep.net/record/1507465/files/plots_spectra_divide_rhcRe_K_noratio.png; http://inspirehep.net/record/1507465/files/plots_sinsqth13vsdcp_t2konly_run17_constdchisq.png; http://inspirehep.net/record/1507465/files/plots_sinsqth23vsdmsq_react_othexp_nh_NOvA2015.png; http://inspirehep.net/record/1507465/files/arXiv:1701.00432.pdf


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