/ hep-ex arXiv:1409.7469


Neutrino Oscillation Physics Potential of the T2K Experiment


Abe, K. (Tokyo U., ICRR) ; Adam, J. (SUNY, Stony Brook) ; Aihara, H. (Tokyo U., IPMU) ; Akiri, T. (Duke U.) ; Andreopoulos, C. (Rutherford) ; Aoki, S. (Kobe U.) ; Ariga, A. (Bern U.) ; Assylbekov, S. (Colorado State U.) ; Autiero, D. (Lyon, IPN) ; Barbi, M. (Regina U.) ; Barker, G.J. (Warwick U.) ; Barr, G. (Liverpool U.) ; Bass, M. (Colorado State U.) ; Batkiewicz, M. (Cracow, INP) ; Bay, F. (Zurich, ETH) ; Berardi, V. (INFN, Bari) ; Berger, B.E. (Tokyo U., IPMU) ; Berkman, S. (British Columbia U.) ; Bhadra, S. (York U., Canada) ; Blaszczyk, F. d. M. (Louisiana State U.) ; Blondel, A. (Geneva U.) ; Bojechko, C. (Victoria U.) ; Bordoni, S. (Barcelona, IFAE) ; Boyd, S.B. (Warwick U.) ; Brailsford, D. (Imperial Coll., London) ; Bravar, A. (Geneva U.) ; Bronner, C. (Tokyo U., IPMU) ; Buchanan, N. (Colorado State U.) ; Calland, R.G. (Liverpool U.) ; Caravaca Rodriguez, J. (Barcelona, IFAE) ; Cartwright, S.L. (Sheffield U.) ; Castillo, R. (Barcelona, IFAE) ; Catanesi, M.G. (INFN, Bari) ; Cervera, A. (Valencia U., IFIC) ; Cherdack, D. (Colorado State U.) ; Christodoulou, G. (Liverpool U.) ; Clifton, A. (Colorado State U.) ; Coleman, J. (Liverpool U.) ; Coleman, S.J. (Colorado U.) ; Collazuol, G. (INFN, Padua) ; Connolly, K. (Washington U., Seattle) ; Cremonesi, L. (Queen Mary, U. of London) ; Dabrowska, A. (Cracow, INP) ; Danko, I. (Pittsburgh U.) ; Das, R. (Colorado State U.) ; Davis, S. (Washington U., Seattle) ; de Perio, P. (Toronto U.) ; De Rosa, G. (INFN, Naples) ; Dealtry, T. (Liverpool U.) ; Dennis, S.R. (Rutherford) ; Densham, C. (Rutherford) ; Dewhurst, D. (Liverpool U.) ; Di Lodovico, F. (Queen Mary, U. of London) ; Di Luise, S. (Zurich, ETH) ; Drapier, O. (Ecole Polytechnique) ; Duboyski, T. (Queen Mary, U. of London) ; Duffy, K. (Liverpool U.) ; Dumarchez, J. (Paris U., VI-VII) ; Dytman, S. (Pittsburgh U.) ; Dziewiecki, M. (Warsaw U. of Tech.) ; Emery-Schrenk, S. (DAPNIA, Saclay) ; Ereditato, A. (Bern U.) ; Escudero, L. (Valencia U., IFIC) ; Finch, A.J. (Lancaster U.) ; Friend, M. (JAEA, Ibaraki) ; Fujii, Y. (KEK, Tsukuba) ; Fukuda, Y. (Miyagi U. of Education) ; Furmanski, A.P. (Warwick U.) ; Galymov, V. (Lyon, IPN) ; Giffin, S. (Regina U.) ; Giganti, C. (Paris U., VI-VII) ; Gilje, K. (SUNY, Stony Brook) ; Goeldi, D. (Bern U.) ; Golan, T. (Wroclaw U.) ; Gonin, M. (Ecole Polytechnique) ; Grant, N. (Lancaster U.) ; Gudin, D. (Moscow, INR) ; Hadley, D.R. (Warwick U.) ; Haesler, A. (Geneva U.) ; Haigh, M.D. (Warwick U.) ; Hamilton, P. (Imperial Coll., London) ; Hansen, D. (Pittsburgh U.) ; Hara, T. (Kobe U.) ; Hartz, M. (TRIUMF) ; Hasegawa, T. (KEK, Tsukuba) ; Hastings, N.C. (Regina U.) ; Hayato, Y. (Tokyo U., IPMU) ; Hearty, C. (IPP, Canada) ; Helmer, R.L. (TRIUMF) ; Hierholzer, M. (Bern U.) ; Hignight, J. (SUNY, Stony Brook) ; Hillairet, A. (Victoria U.) ; Himmel, A. (Duke U.) ; Hiraki, T. (Kyoto U.) ; Hirota, S. (Kyoto U.) ; Holeczek, J. (Silesia U.) ; Horikawa, S. (Zurich, ETH) ; Huang, K. (Kyoto U.) ; Ichikawa, A.K. (Kyoto U.) ; Ieki, K. (Kyoto U.) ; Ieva, M. (Barcelona, IFAE) ; Ikeda, M. (Tokyo U., ICRR) ; Imber, J. (SUNY, Stony Brook) ; Insler, J. (Louisiana State U.) ; Irvine, T.J. (Tokyo U., ICRR) ; Ishida, T. (KEK, Tsukuba) ; Ishii, T. (KEK, Tsukuba) ; Iwai, E. (KEK, Tsukuba) ; Iwamoto, K. (Rochester U.) ; Iyogi, K. (Tokyo U., ICRR) ; Izmaylov, A. (Moscow, INR) ; Jacob, A. (Liverpool U.) ; Jamieson, B. (Winnipeg U.) ; Johnson, R.A. (Colorado U.) ; Johnson, S. (Colorado U.) ; Jo, J.H. (SUNY, Stony Brook) ; Jonsson, P. (Imperial Coll., London) ; Jung, C.K. (Tokyo U., IPMU) ; Kabirnezhad, M. (NCBJ, Swierk) ; Kaboth, A.C. (Imperial Coll., London) ; Kajita, T. (Tokyo U., ICRR) ; Kakuno, H. (Tokyo Metropolitan U.) ; Kameda, J. (Tokyo U., ICRR) ; Kanazawa, Y. (Tokyo U.) ; Karlen, D. (TRIUMF) ; Karpikov, I. (Moscow, INR) ; Katori, T. (Queen Mary, U. of London) ; Kearns, E. (Tokyo U., IPMU) ; Khabibullin, M. (Moscow, INR) ; Khotjantsev, A. (Moscow, INR) ; Kielczewska, D. (Warsaw U. of Tech.) ; Kikawa, T. (Kyoto U.) ; Kilinski, A. (NCBJ, Swierk) ; Kim, J. (British Columbia U.) ; King, S. (Queen Mary, U. of London) ; Kisiel, J. (Silesia U.) ; Kitching, P. (Alberta U.) ; Kobayashi, T. (KEK, Tsukuba) ; Koch, L. (Aachen, Tech. Hochsch.) ; Kolaceke, A. (Regina U.) ; Konaka, A. (TRIUMF) ; Kormos, L.L. (Lancaster U.) ; Korzenev, A. (Geneva U.) ; Koseki, K. (KEK, Tsukuba) ; Koshio, Y. (Okayama U.) ; Kropp, W. (UC, Irvine) ; Kubo, H. (Kyoto U.) ; Kudenko, Y. (Moscow Phys. Eng. Inst.) ; Kurjata, R. (Warsaw U. of Tech.) ; Kutter, T. (Louisiana State U.) ; Lagoda, J. (NCBJ, Swierk) ; Laihem, K. (Aachen, Tech. Hochsch.) ; Lamont, I. (Lancaster U.) ; Larkin, E. (Warwick U.) ; Laveder, M. (INFN, Padua) ; Lawe, M. (Sheffield U.) ; Lazos, M. (Liverpool U.) ; Lindner, T. (TRIUMF) ; Lister, C. (Warwick U.) ; Litchfield, R.P. (Warwick U.) ; Longhin, A. (INFN, Padua) ; Ludovici, L. (INFN, Rome) ; Magaletti, L. (INFN, Bari) ; Mahn, K. (TRIUMF) ; Malek, M. (Imperial Coll., London) ; Manly, S. (Rochester U.) ; Marino, A.D. (Colorado U.) ; Marteau, J. (Lyon, IPN) ; Martin, J.F. (Toronto U.) ; Martynenko, S. (Moscow, INR) ; Maruyama, T. (KEK, Tsukuba) ; Matveev, V. (Moscow, INR) ; Mavrokoridis, K. (Liverpool U.) ; Mazzucato, E. (DAPNIA, Saclay) ; McCarthy, M. (British Columbia U.) ; McCauley, N. (Liverpool U.) ; McFarland, K.S. (Rochester U.) ; McGrew, C. (SUNY, Stony Brook) ; Mefodiev, A. (Moscow, INR) ; Metelko, C. (Liverpool U.) ; Mezzetto, M. (INFN, Padua) ; Mijakowski, P. (NCBJ, Swierk) ; Miller, C.A. (TRIUMF) ; Minamino, A. (Kyoto U.) ; Mineev, O. (Moscow, INR) ; Missert, A. (Colorado U.) ; Miura, M. (Tokyo U., ICRR) ; Moriyama, S. (Tokyo U., ICRR) ; Mueller, Th. A. (Ecole Polytechnique) ; Murakami, A. (Kyoto U.) ; Murdoch, M. (Liverpool U.) ; Murphy, S. (Zurich, ETH) ; Myslik, J. (Victoria U.) ; Nakadaira, T. (KEK, Tsukuba) ; Nakahata, M. (Tokyo U., IPMU) ; Nakamura, K. (KEK, Tsukuba) ; Nakayama, S. (Tokyo U., ICRR) ; Nakaya, T. (Tokyo U., IPMU) ; Nakayoshi, K. (KEK, Tsukuba) ; Nielsen, C. (British Columbia U.) ; Nirkko, M. (Bern U.) ; Nishikawa, K. (KEK, Tsukuba) ; Nishimura, Y. (Tokyo U., ICRR) ; O'Keeffe, H.M. (Lancaster U.) ; Ohta, R. (KEK, Tsukuba) ; Okumura, K. (Tokyo U., IPMU) ; Okusawa, T. (Osaka City U.) ; Oryszczak, W. (Warsaw U. of Tech.) ; Oser, S.M. (British Columbia U.) ; Ovsyannikova, T. (Moscow, INR) ; Owen, R.A. (Queen Mary, U. of London) ; Oyama, Y. (KEK, Tsukuba) ; Palladino, V. (INFN, Naples) ; Palomino, J.L. (SUNY, Stony Brook) ; Paolone, V. (Pittsburgh U.) ; Payne, D. (Liverpool U.) ; Perevozchikov, O. (Louisiana State U.) ; Perkin, J.D. (Sheffield U.) ; Petrov, Y. (British Columbia U.) ; Pickard, L. (Sheffield U.) ; Guerra, E.S. Pinzon (York U., Canada) ; Pistillo, C. (Bern U.) ; Plonski, P. (Warsaw U. of Tech.) ; Poplawska, E. (Queen Mary, U. of London) ; Popov, B. (Dubna, JINR) ; Posiadala-Zezula, M. (Warsaw U. of Tech.) ; Poutissou, J.M. (TRIUMF) ; Poutissou, R. (TRIUMF) ; Przewlocki, P. (NCBJ, Swierk) ; Quilain, B. (Ecole Polytechnique) ; Radicioni, E. (INFN, Bari) ; Ratoff, P.N. (Lancaster U.) ; Ravonel, M. (Geneva U.) ; Rayner, M.A.M. (Geneva U.) ; Redij, A. (Bern U.) ; Reeves, M. (Lancaster U.) ; Reinherz-Aronis, E. (Colorado State U.) ; Riccio, C. (INFN, Naples) ; Rodrigues, P.A. (Rochester U.) ; Rojas, P. (Colorado State U.) ; Rondio, E. (NCBJ, Swierk) ; Roth, S. (Aachen, Tech. Hochsch.) ; Rubbia, A. (Zurich, ETH) ; Ruterbories, D. (Rochester U.) ; Sacco, R. (Queen Mary, U. of London) ; Sakashita, K. (KEK, Tsukuba) ; Sanchez, F. (Barcelona, IFAE) ; Sato, F. (KEK, Tsukuba) ; Scantamburlo, E. (Geneva U.) ; Scholberg, K. (Duke U.) ; Schoppmann, S. (Aachen, Tech. Hochsch.) ; Schwehr, J. (Colorado State U.) ; Scott, M. (TRIUMF) ; Seiya, Y. (Osaka City U.) ; Sekiguchi, T. (KEK, Tsukuba) ; Sekiya, H. (Tokyo U., ICRR) ; Sgalaberna, D. (Zurich, ETH) ; Shaker, F. (Winnipeg U.) ; Shiozawa, M. (Tokyo U., IPMU) ; Short, S. (Queen Mary, U. of London) ; Shustrov, Y. (Moscow, INR) ; Sinclair, P. (Imperial Coll., London) ; Smith, B. (Imperial Coll., London) ; Smy, M. (UC, Irvine) ; Sobczyk, J.T. (Wroclaw U.) ; Sobel, H. (Tokyo U., IPMU) ; Sorel, M. (Valencia U., IFIC) ; Southwell, L. (Lancaster U.) ; Stamoulis, P. (Valencia U., IFIC) ; Steinmann, J. (Aachen, Tech. Hochsch.) ; Still, B. (Queen Mary, U. of London) ; Suda, Y. (Tokyo U.) ; Suzuki, A. (Kobe U.) ; Suzuki, K. (Kyoto U.) ; Suzuki, S.Y. (KEK, Tsukuba) ; Suzuki, Y. (Tokyo U., IPMU) ; Tacik, R. (TRIUMF) ; Tada, M. (KEK, Tsukuba) ; Takahashi, S. (Kyoto U.) ; Takeda, A. (Tokyo U., ICRR) ; Takeuchi, Y. (Tokyo U., IPMU) ; Tanaka, H.K. (Tokyo U., ICRR) ; Tanaka, H.A. (British Columbia U.) ; Tanaka, M.M. (KEK, Tsukuba) ; Terhorst, D. (Aachen, Tech. Hochsch.) ; Terri, R. (Queen Mary, U. of London) ; Thompson, L.F. (Sheffield U.) ; Thorley, A. (Liverpool U.) ; Tobayama, S. (British Columbia U.) ; Toki, W. (Colorado State U.) ; Tomura, T. (Tokyo U., ICRR) ; Touramanis, C. (Liverpool U.) ; Tsukamoto, T. (KEK, Tsukuba) ; Tzanov, M. (Louisiana State U.) ; Uchida, Y. (Imperial Coll., London) ; Vacheret, A. (Liverpool U.) ; Vagins, M. (UC, Irvine) ; Vasseur, G. (DAPNIA, Saclay) ; Wachala, T. (Cracow, INP) ; Waldron, A.V. (Liverpool U.) ; Walter, C.W. (Duke U.) ; Wark, D. (Liverpool U.) ; Wascko, M.O. (Imperial Coll., London) ; Weber, A. (Liverpool U.) ; Wendell, R. (Tokyo U., ICRR) ; Wilkes, R.J. (Washington U., Seattle) ; Wilking, M.J. (TRIUMF) ; Wilkinson, C. (Sheffield U.) ; Williamson, Z. (Liverpool U.) ; Wilson, J.R. (Queen Mary, U. of London) ; Wilson, R.J. (Colorado State U.) ; Wongjirad, T. (Duke U.) ; Yamada, Y. (KEK, Tsukuba) ; Yamamoto, K. (Osaka City U.) ; Yanagisawa, C. (BMCC, New York) ; Yano, T. (Kobe U.) ; Yen, S. (TRIUMF) ; Yershov, N. (Moscow, INR) ; Yokoyama, M. (Tokyo U.) ; Yuan, T. (Colorado U.) ; Yu, M. (York U., Canada) ; Zalewska, A. (Cracow, INP) ; Zalipska, J. (NCBJ, Swierk) ; Zambelli, L. (KEK, Tsukuba) ; Zaremba, K. (Warsaw U. of Tech.) ; Ziembicki, M. (Warsaw U. of Tech.) ; Zimmerman, E.D. (Colorado U.) ; Zito, M. (DAPNIA, Saclay) ; Zmuda, J. (Wroclaw U.)

Pages: 40

Abstract: The observation of the recent electron neutrino appearance in a muon neutrino beam and the high-precision measurement of the mixing angle $\theta_{13}$ have led to a re-evaluation of the physics potential of the T2K long-baseline neutrino oscillation experiment. Sensitivities are explored for CP violation in neutrinos, non-maximal $\sin^22\theta_{23}$, the octant of $\theta_{23}$, and the mass hierarchy, in addition to the measurements of $\delta_{CP}$, $\sin^2\theta_{23}$, and $\Delta m^2_{32}$, for various combinations of $\nu$-mode and $\bar{\nu}$-mode data-taking. With an exposure of $7.8\times10^{21}$~protons-on-target, T2K can achieve 1-$\sigma$ resolution of 0.050(0.054) on $\sin^2\theta_{23}$ and $0.040(0.045)\times10^{-3}~\rm{eV}^2$ on $\Delta m^2_{32}$ for 100%(50%) neutrino beam mode running assuming $\sin^2\theta_{23}=0.5$ and $\Delta m^2_{32} = 2.4\times10^{-3}$ eV$^2$. T2K will have sensitivity to the CP-violating phase $\delta_{\rm{CP}}$ at 90% C.L. or better over a significant range. For example, if $\sin^22\theta_{23}$ is maximal (i.e $\theta_{23}$=$45^\circ$) the range is $-115^\circ<\delta_{\rm{CP}}<-60^\circ$ for normal hierarchy and $+50^\circ<\delta_{\rm{CP}}<+130^\circ$ for inverted hierarchy. When T2K data is combined with data from the NO$\nu$A experiment, the region of oscillation parameter space where there is sensitivity to observe a non-zero $\delta_{CP}$ is substantially increased compared to if each experiment is analyzed alone.

Web-Page: http://inspirehep.net/record/1319174/files/arXiv:1409.7469.pdf


Note: 40 pages, 27 figures, submitted to PTEP

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