Search for CP Violation in Neutrino and Antineutrino Oscillations by the T2K Experiment with 2.2×1021 Protons on Target

Abe, K. (University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan) ; Akutsu, R. (University of Tokyo, Institute for Cosmic Ray Research, Research Center for Cosmic Neutrinos, Kashiwa, Japan) ; Ali, A. (INFN Sezione di Padova and Università di Padova, Dipartimento di Fisica, Padova, Italy) ; Amey, J. (Imperial College London, Department of Physics, London, United Kingdom) ; Andreopoulos, C. (STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom) (University of Liverpool, Department of Physics, Liverpool, United Kingdom) ; Anthony, L. (University of Liverpool, Department of Physics, Liverpool, United Kingdom) ; Antonova, M. (IFIC (CSIC and University of Valencia), Valencia, Spain) ; Aoki, S. (Kobe University, Kobe, Japan) ; Ariga, A. (University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland) ; Ashida, Y. (Kyoto University, Department of Physics, Kyoto, Japan) ; Azuma, Y. (Osaka City University, Department of Physics, Osaka, Japan) ; Ban, S. (Kyoto University, Department of Physics, Kyoto, Japan) ; Barbi, M. (University of Regina, Department of Physics, Regina, Saskatchewan, Canada) ; Barker, G. J. (University of Warwick, Department of Physics, Coventry, United Kingdom) ; Barr, G. (Oxford University, Department of Physics, Oxford, United Kingdom) ; Barry, C. (University of Liverpool, Department of Physics, Liverpool, United Kingdom) ; Batkiewicz, M. (H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland) ; Bench, F. (University of Liverpool, Department of Physics, Liverpool, United Kingdom) ; Berardi, V. (INFN Sezione di Bari and Università e Politecnico di Bari, Dipartimento Interuniversitario di Fisica, Bari, Italy) ; Berkman, S. (University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada) (TRIUMF, Vancouver, British Columbia, Canada) ; Berner, R. M. (University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland) ; Berns, L. (Tokyo Institute of Technology, Department of Physics, Tokyo, Japan) ; Bhadra, S. (York University, Department of Physics and Astronomy, Toronto, Ontario, Canada) ; Bienstock, S. (UPMC, Université Paris Diderot, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Paris, France) ; Blondel, A. (University of Geneva, Section de Physique, DPNC, Geneva, Switzerland) ; Bolognesi, S. (IRFU, CEA Saclay, Gif-sur-Yvette, France) ; Bourguille, B. (Institut de Fisica d’Altes Energies (IFAE), The Barcelona Institute of Science and Technology, Campus UAB, Bellaterra (Barcelona), Spain) ; Boyd, S. B. (University of Warwick, Department of Physics, Coventry, United Kingdom) ; Brailsford, D. (Lancaster University, Physics Department, Lancaster, United Kingdom) ; Bravar, A. (University of Geneva, Section de Physique, DPNC, Geneva, Switzerland) ; Bronner, C. (University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan) ; Buizza Avanzini, M. (Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France) ; Calcutt, J. (Michigan State University, Department of Physics and Astronomy, East Lansing, Michigan, USA) ; Campbell, T. (Colorado State University, Department of Physics, Fort Collins, Colorado, USA) ; Cao, S. (High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan) ; Cartwright, S. L. (University of Sheffield, Department of Physics and Astronomy, Sheffield, United Kingdom) ; Catanesi, M. G. (INFN Sezione di Bari and Università e Politecnico di Bari, Dipartimento Interuniversitario di Fisica, Bari, Italy) ; Cervera, A. (IFIC (CSIC and University of Valencia), Valencia, Spain) ; Chappell, A. (University of Warwick, Department of Physics, Coventry, United Kingdom) ; Checchia, C. (INFN Sezione di Padova and Università di Padova, Dipartimento di Fisica, Padova, Italy) ; Cherdack, D. (Colorado State University, Department of Physics, Fort Collins, Colorado, USA) ; Chikuma, N. (University of Tokyo, Department of Physics, Tokyo, Japan) ; Christodoulou, G. (University of Liverpool, Department of Physics, Liverpool, United Kingdom) ; Coleman, J. (University of Liverpool, Department of Physics, Liverpool, United Kingdom) ; Collazuol, G. (INFN Sezione di Padova and Università di Padova, Dipartimento di Fisica, Padova, Italy) ; Coplowe, D. (Oxford University, Department of Physics, Oxford, United Kingdom) ; Cudd, A. (Michigan State University, Department of Physics and Astronomy, East Lansing, Michigan, USA) ; Dabrowska, A. (H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland) ; De Rosa, G. (INFN Sezione di Napoli and Università di Napoli, Dipartimento di Fisica, Napoli, Italy) ; Dealtry, T. (Lancaster University, Physics Department, Lancaster, United Kingdom) ; Denner, P. F. (University of Warwick, Department of Physics, Coventry, United Kingdom) ; Dennis, S. R. (University of Liverpool, Department of Physics, Liverpool, United Kingdom) ; Densham, C. (STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom) ; Di Lodovico, F. (Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom) ; Dokania, N. (State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA) ; Dolan, S. (Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France) (IRFU, CEA Saclay, Gif-sur-Yvette, France) ; Drapier, O. (Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France) ; Duffy, K. E. (Oxford University, Department of Physics, Oxford, United Kingdom) ; Dumarchez, J. (UPMC, Université Paris Diderot, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Paris, France) ; Dunne, P. (Imperial College London, Department of Physics, London, United Kingdom) ; Emery-Schrenk, S. (IRFU, CEA Saclay, Gif-sur-Yvette, France) ; Ereditato, A. (University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland) ; Fernandez, P. (IFIC (CSIC and University of Valencia), Valencia, Spain) ; Feusels, T. (University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada) (TRIUMF, Vancouver, British Columbia, Canada) ; Finch, A. J. (Lancaster University, Physics Department, Lancaster, United Kingdom) ; Fiorentini, G. A. (York University, Department of Physics and Astronomy, Toronto, Ontario, Canada) ; Fiorillo, G. (INFN Sezione di Napoli and Università di Napoli, Dipartimento di Fisica, Napoli, Italy) ; Francois, C. (University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland) ; Friend, M. (High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan) ; Fujii, Y. (High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan) ; Fujita, R. (University of Tokyo, Department of Physics, Tokyo, Japan) ; Fukuda, D. (Okayama University, Department of Physics, Okayama, Japan) ; Fukuda, Y. (Miyagi University of Education, Department of Physics, Sendai, Japan) ; Gameil, K. (University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada) (TRIUMF, Vancouver, British Columbia, Canada) ; Giganti, C. (UPMC, Université Paris Diderot, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Paris, France) ; Gizzarelli, F. (IRFU, CEA Saclay, Gif-sur-Yvette, France) ; Golan, T. (Wroclaw University, Faculty of Physics and Astronomy, Wroclaw, Poland) ; Gonin, M. (Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France) ; Hadley, D. R. (University of Warwick, Department of Physics, Coventry, United Kingdom) ; Haegel, L. (University of Geneva, Section de Physique, DPNC, Geneva, Switzerland) ; Haigh, J. T. (University of Warwick, Department of Physics, Coventry, United Kingdom) ; Hamacher-Baumann, P. (RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany) ; Hansen, D. (University of Pittsburgh, Department of Physics and Astronomy, Pittsburgh, Pennsylvania, USA) ; Harada, J. (Osaka City University, Department of Physics, Osaka, Japan) ; Hartz, M. (TRIUMF, Vancouver, British Columbia, Canada) (Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan) ; Hasegawa, T. (High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan) ; Hastings, N. C. (University of Regina, Department of Physics, Regina, Saskatchewan, Canada) ; Hayashino, T. (Kyoto University, Department of Physics, Kyoto, Japan) ; Hayato, Y. (University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan) (Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan) ; Hiramoto, A. (Kyoto University, Department of Physics, Kyoto, Japan) ; Hogan, M. (Colorado State University, Department of Physics, Fort Collins, Colorado, USA) ; Holeczek, J. (University of Silesia, Institute of Physics, Katowice, Poland) ; Hosomi, F. (University of Tokyo, Department of Physics, Tokyo, Japan) ; Ichikawa, A. K. (Kyoto University, Department of Physics, Kyoto, Japan) ; Ikeda, M. (University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan) ; Imber, J. (Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France) ; Inoue, T. (Osaka City University, Department of Physics, Osaka, Japan) ; Intonti, R. A. (INFN Sezione di Bari and Università e Politecnico di Bari, Dipartimento Interuniversitario di Fisica, Bari, Italy) ; Ishida, T. (High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan) ; Ishii, T. (High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan) ; Ishitsuka, M. (Tokyo University of Science, Faculty of Science and Technology, Department of Physics, Noda, Chiba, Japan) ; Iwamoto, K. (University of Tokyo, Department of Physics, Tokyo, Japan) ; Izmaylov, A. (IFIC (CSIC and University of Valencia), Valencia, Spain) (Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia) ; Jamieson, B. (University of Winnipeg, Department of Physics, Winnipeg, Manitoba, Canada) ; Jiang, M. (Kyoto University, Department of Physics, Kyoto, Japan) ; Johnson, S. (University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA) ; Jonsson, P. (Imperial College London, Department of Physics, London, United Kingdom) ; Jung, C. K. (State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA) ; Kabirnezhad, M. (Oxford University, Department of Physics, Oxford, United Kingdom) ; Kaboth, A. C. (Royal Holloway University of London, Department of Physics, Egham, Surrey, United Kingdom) (STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom) ; Kajita, T. (University of Tokyo, Institute for Cosmic Ray Research, Research Center for Cosmic Neutrinos, Kashiwa, Japan) ; Kakuno, H. (Tokyo Metropolitan University, Department of Physics, Tokyo, Japan) ; Kameda, J. (University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan) ; Karlen, D. (University of Victoria, Department of Physics and Astronomy, Victoria, British Columbia, Canada) (TRIUMF, Vancouver, British Columbia, Canada) ; Katori, T. (Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom) ; Kato, Y. (University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan) ; Kearns, E. (Boston University, Department of Physics, Boston, Massachusetts, USA) (Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan) ; Khabibullin, M. (Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia) ; Khotjantsev, A. (Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia) ; Kim, H. (Osaka City University, Department of Physics, Osaka, Japan) ; Kim, J. (University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada) (TRIUMF, Vancouver, British Columbia, Canada) ; King, S. (Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom) ; Kisiel, J. (University of Silesia, Institute of Physics, Katowice, Poland) ; Knight, A. (University of Warwick, Department of Physics, Coventry, United Kingdom) ; Knox, A. (Lancaster University, Physics Department, Lancaster, United Kingdom) ; Kobayashi, T. (High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan) ; Koch, L. (STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom) ; Koga, T. (University of Tokyo, Department of Physics, Tokyo, Japan) ; Koller, P. P. (University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland) ; Konaka, A. (TRIUMF, Vancouver, British Columbia, Canada) ; Kormos, L. L. (Lancaster University, Physics Department, Lancaster, United Kingdom) ; Koshio, Y. (Okayama University, Department of Physics, Okayama, Japan) ; Kowalik, K. (National Centre for Nuclear Research, Warsaw, Poland) ; Kubo, H. (Kyoto University, Department of Physics, Kyoto, Japan) ; Kudenko, Y. (Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia) ; Kurjata, R. (Warsaw University of Technology, Institute of Radioelectronics, Warsaw, Poland) ; Kutter, T. (Louisiana State University, Department of Physics and Astronomy, Baton Rouge, Louisiana, USA) ; Kuze, M. (Tokyo Institute of Technology, Department of Physics, Tokyo, Japan) ; Labarga, L. (University Autonoma Madrid, Department of Theoretical Physics, Madrid, Spain) ; Lagoda, J. (National Centre for Nuclear Research, Warsaw, Poland) ; Lamoureux, M. (IRFU, CEA Saclay, Gif-sur-Yvette, France) ; Lasorak, P. (Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom) ; Laveder, M. (INFN Sezione di Padova and Università di Padova, Dipartimento di Fisica, Padova, Italy) ; Lawe, M. (Lancaster University, Physics Department, Lancaster, United Kingdom) ; Licciardi, M. (Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France) ; Lindner, T. (TRIUMF, Vancouver, British Columbia, Canada) ; Liptak, Z. J. (University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA) ; Litchfield, R. P. (Imperial College London, Department of Physics, London, United Kingdom) ; Li, X. (State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA) ; Longhin, A. (INFN Sezione di Padova and Università di Padova, Dipartimento di Fisica, Padova, Italy) ; Lopez, J. P. (University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA) ; Lou, T. (University of Tokyo, Department of Physics, Tokyo, Japan) ; Ludovici, L. (INFN Sezione di Roma and Università di Roma “La Sapienza,” Roma, Italy) ; Lu, X. (Oxford University, Department of Physics, Oxford, United Kingdom) ; Magaletti, L. (INFN Sezione di Bari and Università e Politecnico di Bari, Dipartimento Interuniversitario di Fisica, Bari, Italy) ; Mahn, K. (Michigan State University, Department of Physics and Astronomy, East Lansing, Michigan, USA) ; Malek, M. (University of Sheffield, Department of Physics and Astronomy, Sheffield, United Kingdom) ; Manly, S. (University of Rochester, Department of Physics and Astronomy, Rochester, New York, USA) ; Maret, L. (University of Geneva, Section de Physique, DPNC, Geneva, Switzerland) ; Marino, A. D. (University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA) ; Martin, J. F. (University of Toronto, Department of Physics, Toronto, Ontario, Canada) ; Martins, P. (Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom) ; Maruyama, T. (High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan) ; Matsubara, T. (High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan) ; Matveev, V. (Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia) ; Mavrokoridis, K. (University of Liverpool, Department of Physics, Liverpool, United Kingdom) ; Ma, W. Y. (Imperial College London, Department of Physics, London, United Kingdom) ; Mazzucato, E. (IRFU, CEA Saclay, Gif-sur-Yvette, France) ; McCarthy, M. (York University, Department of Physics and Astronomy, Toronto, Ontario, Canada) ; McCauley, N. (University of Liverpool, Department of Physics, Liverpool, United Kingdom) ; McFarland, K. S. (University of Rochester, Department of Physics and Astronomy, Rochester, New York, USA) ; McGrew, C. (State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA) ; Mefodiev, A. (Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia) ; Metelko, C. (University of Liverpool, Department of Physics, Liverpool, United Kingdom) ; Mezzetto, M. (INFN Sezione di Padova and Università di Padova, Dipartimento di Fisica, Padova, Italy) ; Minamino, A. (Yokohama National University, Faculty of Engineering, Yokohama, Japan) ; Mineev, O. (Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia) ; Mine, S. (University of California, Irvine, Department of Physics and Astronomy, Irvine, California, USA) ; Missert, A. (University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA) ; Miura, M. (University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan) ; Moriyama, S. (University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan) ; Morrison, J. (Michigan State University, Department of Physics and Astronomy, East Lansing, Michigan, USA) ; Mueller, Th. A. (Ecole Polytechnique, IN2P3-CNRS, Laboratoire Leprince-Ringuet, Palaiseau, France) ; Murphy, S. (ETH Zurich, Institute for Particle Physics, Zurich, Switzerland) ; Nagai, Y. (University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA) ; Nakadaira, T. (High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan) ; Nakahata, M. (University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan) (Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan) ; Nakajima, Y. (University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan) ; Nakamura, K. G. (Kyoto University, Department of Physics, Kyoto, Japan) ; Nakamura, K. (Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan) (High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan) ; Nakamura, K. D. (Kyoto University, Department of Physics, Kyoto, Japan) ; Nakanishi, Y. (Kyoto University, Department of Physics, Kyoto, Japan) ; Nakayama, S. (University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan) ; Nakaya, T. (Kyoto University, Department of Physics, Kyoto, Japan) (Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan) ; Nakayoshi, K. (High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan) ; Nantais, C. (University of Toronto, Department of Physics, Toronto, Ontario, Canada) ; Nielsen, C. (University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada) (TRIUMF, Vancouver, British Columbia, Canada) ; Niewczas, K. (Wroclaw University, Faculty of Physics and Astronomy, Wroclaw, Poland) ; Nishikawa, K. (High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan) ; Nishimura, Y. (University of Tokyo, Institute for Cosmic Ray Research, Research Center for Cosmic Neutrinos, Kashiwa, Japan) ; Nonnenmacher, T. S. (Imperial College London, Department of Physics, London, United Kingdom) ; Novella, P. (IFIC (CSIC and University of Valencia), Valencia, Spain) ; Nowak, J. (Lancaster University, Physics Department, Lancaster, United Kingdom) ; O’Keeffe, H. M. (Lancaster University, Physics Department, Lancaster, United Kingdom) ; O’Sullivan, L. (University of Sheffield, Department of Physics and Astronomy, Sheffield, United Kingdom) ; Okumura, K. (University of Tokyo, Institute for Cosmic Ray Research, Research Center for Cosmic Neutrinos, Kashiwa, Japan) (Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan) ; Okusawa, T. (Osaka City University, Department of Physics, Osaka, Japan) ; Oryszczak, W. (University of Warsaw, Faculty of Physics, Warsaw, Poland) ; Oser, S. M. (University of British Columbia, Department of Physics and Astronomy, Vancouver, British Columbia, Canada) (TRIUMF, Vancouver, British Columbia, Canada) ; Owen, R. A. (Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom) ; Oyama, Y. (High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan) ; Palladino, V. (INFN Sezione di Napoli and Università di Napoli, Dipartimento di Fisica, Napoli, Italy) ; Palomino, J. L. (State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA) ; Paolone, V. (University of Pittsburgh, Department of Physics and Astronomy, Pittsburgh, Pennsylvania, USA) ; Paudyal, P. (University of Liverpool, Department of Physics, Liverpool, United Kingdom) ; Pavin, M. (TRIUMF, Vancouver, British Columbia, Canada) ; Payne, D. (University of Liverpool, Department of Physics, Liverpool, United Kingdom) ; Pickering, L. (Michigan State University, Department of Physics and Astronomy, East Lansing, Michigan, USA) ; Pidcott, C. (University of Sheffield, Department of Physics and Astronomy, Sheffield, United Kingdom) ; Pinzon Guerra, E. S. (York University, Department of Physics and Astronomy, Toronto, Ontario, Canada) ; Pistillo, C. (University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland) ; Popov, B. (UPMC, Université Paris Diderot, CNRS/IN2P3, Laboratoire de Physique Nucléaire et de Hautes Energies (LPNHE), Paris, France) ; Porwit, K. (University of Silesia, Institute of Physics, Katowice, Poland) ; Posiadala-Zezula, M. (University of Warsaw, Faculty of Physics, Warsaw, Poland) ; Pritchard, A. (University of Liverpool, Department of Physics, Liverpool, United Kingdom) ; Quilain, B. (Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan) ; Radermacher, T. (RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany) ; Radicioni, E. (INFN Sezione di Bari and Università e Politecnico di Bari, Dipartimento Interuniversitario di Fisica, Bari, Italy) ; Ratoff, P. N. (Lancaster University, Physics Department, Lancaster, United Kingdom) ; Reinherz-Aronis, E. (Colorado State University, Department of Physics, Fort Collins, Colorado, USA) ; Riccio, C. (INFN Sezione di Napoli and Università di Napoli, Dipartimento di Fisica, Napoli, Italy) ; Rondio, E. (National Centre for Nuclear Research, Warsaw, Poland) ; Rossi, B. (INFN Sezione di Napoli and Università di Napoli, Dipartimento di Fisica, Napoli, Italy) ; Roth, S. (RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany) ; Rubbia, A. (ETH Zurich, Institute for Particle Physics, Zurich, Switzerland) ; Ruggeri, A. C. (INFN Sezione di Napoli and Università di Napoli, Dipartimento di Fisica, Napoli, Italy) ; Rychter, A. (Warsaw University of Technology, Institute of Radioelectronics, Warsaw, Poland) ; Sakashita, K. (High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan) ; Sánchez, F. (University of Geneva, Section de Physique, DPNC, Geneva, Switzerland) ; Sasaki, S. (Tokyo Metropolitan University, Department of Physics, Tokyo, Japan) ; Scantamburlo, E. (University of Geneva, Section de Physique, DPNC, Geneva, Switzerland) ; Scholberg, K. (Duke University, Department of Physics, Durham, North Carolina, USA) ; Schwehr, J. (Colorado State University, Department of Physics, Fort Collins, Colorado, USA) ; Scott, M. (Imperial College London, Department of Physics, London, United Kingdom) ; Seiya, Y. (Osaka City University, Department of Physics, Osaka, Japan) ; Sekiguchi, T. (High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan) ; Sekiya, H. (University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan) (Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan) ; Sgalaberna, D. (University of Geneva, Section de Physique, DPNC, Geneva, Switzerland) ; Shah, R. (STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom) (Oxford University, Department of Physics, Oxford, United Kingdom) ; Shaikhiev, A. (Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia) ; Shaker, F. (University of Winnipeg, Department of Physics, Winnipeg, Manitoba, Canada) ; Shaw, D. (Lancaster University, Physics Department, Lancaster, United Kingdom) ; Shiozawa, M. (University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan) (Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan) ; Smirnov, A. (Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia) ; Smy, M. (University of California, Irvine, Department of Physics and Astronomy, Irvine, California, USA) ; Sobczyk, J. T. (Wroclaw University, Faculty of Physics and Astronomy, Wroclaw, Poland) ; Sobel, H. (University of California, Irvine, Department of Physics and Astronomy, Irvine, California, USA) (Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan) ; Sonoda, Y. (University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan) ; Steinmann, J. (RWTH Aachen University, III. Physikalisches Institut, Aachen, Germany) ; Stewart, T. (STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom) ; Stowell, P. (University of Sheffield, Department of Physics and Astronomy, Sheffield, United Kingdom) ; Suda, Y. (University of Tokyo, Department of Physics, Tokyo, Japan) ; Suvorov, S. (Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia) (IRFU, CEA Saclay, Gif-sur-Yvette, France) ; Suzuki, A. (Kobe University, Kobe, Japan) ; Suzuki, S. Y. (High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan) ; Suzuki, Y. (Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan) ; Sztuc, A. A. (Imperial College London, Department of Physics, London, United Kingdom) ; Tacik, R. (University of Regina, Department of Physics, Regina, Saskatchewan, Canada) (TRIUMF, Vancouver, British Columbia, Canada) ; Tada, M. (High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan) ; Takeda, A. (University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan) ; Takeuchi, Y. (Kobe University, Kobe, Japan) (Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan) ; Tamura, R. (University of Tokyo, Department of Physics, Tokyo, Japan) ; Tanaka, H. K. (University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan) ; Tanaka, H. A. (SLAC National Accelerator Laboratory, Stanford University, Menlo Park, California, USA) (University of Toronto, Department of Physics, Toronto, Ontario, Canada) ; Thakore, T. (Louisiana State University, Department of Physics and Astronomy, Baton Rouge, Louisiana, USA) ; Thompson, L. F. (University of Sheffield, Department of Physics and Astronomy, Sheffield, United Kingdom) ; Toki, W. (Colorado State University, Department of Physics, Fort Collins, Colorado, USA) ; Touramanis, C. (University of Liverpool, Department of Physics, Liverpool, United Kingdom) ; Tsui, K. M. (University of Tokyo, Institute for Cosmic Ray Research, Research Center for Cosmic Neutrinos, Kashiwa, Japan) ; Tsukamoto, T. (High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan) ; Tzanov, M. (Louisiana State University, Department of Physics and Astronomy, Baton Rouge, Louisiana, USA) ; Uchida, Y. (Imperial College London, Department of Physics, London, United Kingdom) ; Uno, W. (Kyoto University, Department of Physics, Kyoto, Japan) ; Vagins, M. (Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan) (University of California, Irvine, Department of Physics and Astronomy, Irvine, California, USA) ; Vallari, Z. (State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA) ; Vasseur, G. (IRFU, CEA Saclay, Gif-sur-Yvette, France) ; Vilela, C. (State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA) ; Vladisavljevic, T. (Oxford University, Department of Physics, Oxford, United Kingdom) (Kavli Institute for the Physics and Mathematics of the Universe (WPI), The University of Tokyo Institutes for Advanced Study, University of Tokyo, Kashiwa, Chiba, Japan) ; Volkov, V. V. (Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia) ; Wachala, T. (H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland) ; Walker, J. (University of Winnipeg, Department of Physics, Winnipeg, Manitoba, Canada) ; Wang, Y. (State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA) ; Wark, D. (STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom) (Oxford University, Department of Physics, Oxford, United Kingdom) ; Wascko, M. O. (Imperial College London, Department of Physics, London, United Kingdom) ; Weber, A. (STFC, Rutherford Appleton Laboratory, Harwell Oxford, and Daresbury Laboratory, Warrington, United Kingdom) (Oxford University, Department of Physics, Oxford, United Kingdom) ; Wendell, R. (Kyoto University, Department of Physics, Kyoto, Japan) ; Wilking, M. J. (State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA) ; Wilkinson, C. (University of Bern, Albert Einstein Center for Fundamental Physics, Laboratory for High Energy Physics (LHEP), Bern, Switzerland) ; Wilson, J. R. (Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom) ; Wilson, R. J. (Colorado State University, Department of Physics, Fort Collins, Colorado, USA) ; Wret, C. (University of Rochester, Department of Physics and Astronomy, Rochester, New York, USA) ; Yamada, Y. (High Energy Accelerator Research Organization (KEK), Tsukuba, Ibaraki, Japan) ; Yamamoto, K. (Osaka City University, Department of Physics, Osaka, Japan) ; Yamasu, S. (Okayama University, Department of Physics, Okayama, Japan) ; Yanagisawa, C. (State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA) ; Yang, G. (State University of New York at Stony Brook, Department of Physics and Astronomy, Stony Brook, New York, USA) ; Yano, T. (University of Tokyo, Institute for Cosmic Ray Research, Kamioka Observatory, Kamioka, Japan) ; Yasutome, K. (Kyoto University, Department of Physics, Kyoto, Japan) ; Yen, S. (TRIUMF, Vancouver, British Columbia, Canada) ; Yershov, N. (Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia) ; Yokoyama, M. (University of Tokyo, Department of Physics, Tokyo, Japan) ; Yoshida, T. (Tokyo Institute of Technology, Department of Physics, Tokyo, Japan) ; Yu, M. (York University, Department of Physics and Astronomy, Toronto, Ontario, Canada) ; Zalewska, A. (H. Niewodniczanski Institute of Nuclear Physics PAN, Cracow, Poland) ; Zalipska, J. (National Centre for Nuclear Research, Warsaw, Poland) ; Zaremba, K. (Warsaw University of Technology, Institute of Radioelectronics, Warsaw, Poland) ; Zarnecki, G. (National Centre for Nuclear Research, Warsaw, Poland) ; Ziembicki, M. (Warsaw University of Technology, Institute of Radioelectronics, Warsaw, Poland) ; Zimmerman, E. D. (University of Colorado at Boulder, Department of Physics, Boulder, Colorado, USA) ; Zito, M. (IRFU, CEA Saclay, Gif-sur-Yvette, France) ; Zsoldos, S. (Queen Mary University of London, School of Physics and Astronomy, London, United Kingdom) ; Zykova, A. (Institute for Nuclear Research of the Russian Academy of Sciences, Moscow, Russia)

30 October 2018

Abstract: The T2K experiment measures muon neutrino disappearance and electron neutrino appearance in accelerator-produced neutrino and antineutrino beams. With an exposure of 14.7(7.6)×1020 protons on target in the neutrino (antineutrino) mode, 89 νe candidates and seven anti-νe candidates are observed, while 67.5 and 9.0 are expected for δCP=0 and normal mass ordering. The obtained 2σ confidence interval for the CP-violating phase, δCP, does not include the CP-conserving cases (δCP=0, π). The best-fit values of other parameters are sin2θ23=0.5260.036+0.032 and Δm322=2.4630.070+0.071×103 eV2/c4.


Published in: Physical Review Letters 121 (2018)
Published by: APS
DOI: 10.1103/PhysRevLett.121.171802
arXiv: 1807.07891
License: CC-BY-4.0



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