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Precise measurement of the neutrino mixing parameter θ23from muon neutrino disappearance in an off-axis beam

  • K. Abe
  • , J. Adam
  • , H. Aihara
  • , T. Akiri
  • , C. Andreopoulos
  • , S. Aoki
  • , A. Ariga
  • , T. Ariga
  • , S. Assylbekov
  • , D. Autiero
  • , M. Barbi
  • , G. J. Barker
  • , G. Barr
  • , M. Bass
  • , M. Batkiewicz
  • , F. Bay
  • , S. W. Bentham
  • , V. Berardi
  • , B. E. Berger
  • , S. Berkman
  • I. Bertram, S. Bhadra, F. D.M. Blaszczyk, A. Blondel, C. Bojechko, S. Bordoni, S. B. Boyd, D. Brailsford, A. Bravar, C. Bronner, N. Buchanan, R. G. Calland, J. Caravaca Rodríguez, S. L. Cartwright, R. Castillo, M. G. Catanesi, A. Cervera, D. Cherdack, G. Christodoulou, A. Clifton, J. Coleman, S. J. Coleman, G. Collazuol, K. Connolly, L. Cremonesi, A. Dabrowska, I. Danko, R. Das, S. Davis, P. De Perio, G. De Rosa, T. Dealtry, S. R. Dennis, C. Densham, F. Di Lodovico, S. Di Luise, O. Drapier, T. Duboyski, K. Duffy, F. Dufour, J. Dumarchez, S. Dytman, M. Dziewiecki, S. Emery, A. Ereditato, L. Escudero, A. J. Finch, L. Floetotto, M. Friend, Y. Fujii, Y. Fukuda, A. P. Furmanski, V. Galymov, S. Giffin, C. Giganti, K. Gilje, D. Goeldi, T. Golan, M. Gonin, N. Grant, D. Gudin, D. R. Hadley, A. Haesler, M. D. Haigh, P. Hamilton, D. Hansen, T. Hara, M. Hartz, T. Hasegawa, N. C. Hastings, Y. Hayato, C. Hearty, R. L. Helmer, M. Hierholzer, J. Hignight, A. Hillairet, A. Himmel, T. Hiraki, S. Hirota, J. Holeczek, S. Horikawa, K. Huang, A. K. Ichikawa, K. Ieki, M. Ieva, M. Ikeda, J. Imber, J. Insler, T. J. Irvine, T. Ishida, T. Ishii, S. J. Ives, E. Iwai, K. Iyogi, A. Izmaylov, A. Jacob, B. Jamieson, R. A. Johnson, J. H. Jo, P. Jonsson, C. K. Jung, M. Kabirnezhad, A. C. Kaboth, T. Kajita, H. Kakuno, J. Kameda, Y. Kanazawa, D. Karlen, I. Karpikov, E. Kearns, M. Khabibullin, A. Khotjantsev, D. Kielczewska, T. Kikawa, A. Kilinski, J. Kim, J. Kisiel, P. Kitching, T. Kobayashi, L. Koch, A. Kolaceke, A. Konaka, L. L. Kormos, A. Korzenev, K. Koseki, Y. Koshio, I. Kreslo, W. Kropp, H. Kubo, Y. Kudenko, S. Kumaratunga, R. Kurjata, T. Kutter, J. Lagoda, K. Laihem, I. Lamont, M. Laveder, M. Lawe, M. Lazos, K. P. Lee, T. Lindner, C. Lister, R. P. Litchfield, A. Longhin, L. Ludovici, M. Macaire, L. Magaletti, K. Mahn, M. Malek, S. Manly, A. D. Marino, J. Marteau, J. F. Martin, T. Maruyama, J. Marzec, E. L. Mathie, V. Matveev, K. Mavrokoridis, E. Mazzucato, M. McCarthy, N. McCauley, K. S. McFarland, C. McGrew, C. Metelko, M. Mezzetto, P. Mijakowski, C. A. Miller, A. Minamino, O. Mineev, S. Mine, A. Missert, M. Miura, L. Monfregola, S. Moriyama, Th A. Mueller, A. Murakami, M. Murdoch, S. Murphy, J. Myslik, T. Nagasaki, T. Nakadaira, M. Nakahata, T. Nakai, K. Nakamura, S. Nakayama, T. Nakaya, K. Nakayoshi, D. Naples, C. Nielsen, M. Nirkko, K. Nishikawa, Y. Nishimura, H. M. O'Keeffe, R. Ohta, K. Okumura, T. Okusawa, W. Oryszczak, S. M. Oser, R. A. Owen, Y. Oyama, V. Palladino, J. Palomino, V. Paolone, D. Payne, O. Perevozchikov, J. D. Perkin, Y. Petrov, L. Pickard, E. S. Pinzon Guerra, C. Pistillo, P. Plonski, E. Poplawska, B. Popov, M. Posiadala, J. M. Poutissou, R. Poutissou, P. Przewlocki, B. Quilain, E. Radicioni, P. N. Ratoff, M. Ravonel, M. A.M. Rayner, A. Redij, M. Reeves, E. Reinherz-Aronis, F. Retiere, A. Robert, P. A. Rodrigues, P. Rojas, E. Rondio, S. Roth, A. Rubbia, D. Ruterbories, R. Sacco, K. Sakashita, F. Sánchez, F. Sato, E. Scantamburlo, K. Scholberg, S. Schoppmann, J. Schwehr, M. Scott, Y. Seiya, T. Sekiguchi, H. Sekiya, D. Sgalaberna, M. Shiozawa, S. Short, Y. Shustrov, P. Sinclair, B. Smith, R. J. Smith, M. Smy, J. T. Sobczyk, H. Sobel, M. Sorel, L. Southwell, P. Stamoulis, J. Steinmann, B. Still, Y. Suda, A. Suzuki, K. Suzuki, S. Y. Suzuki, Y. Suzuki, T. Szeglowski, R. Tacik, M. Tada, S. Takahashi, A. Takeda, Y. Takeuchi, H. K. Tanaka, H. A. Tanaka, M. M. Tanaka, D. Terhorst, R. Terri, L. F. Thompson, A. Thorley, S. Tobayama, W. Toki, T. Tomura, C. Touramanis, Y. Totsuka, T. Tsukamoto, M. Tzanov, Y. Uchida, K. Ueno, A. Vacheret, M. Vagins, G. Vasseur, T. Wachala, A. V. Waldron, C. W. Walter, D. Wark, M. O. Wascko, A. Weber, R. Wendell, R. J. Wilkes, M. J. Wilking, C. Wilkinson, Z. Williamson, J. R. Wilson, R. J. Wilson, T. Wongjirad, Y. Yamada, K. Yamamoto, C. Yanagisawa, S. Yen, N. Yershov, M. Yokoyama, T. Yuan, M. Yu, A. Zalewska, J. Zalipska, L. Zambelli, K. Zaremba, M. Ziembicki, E. D. Zimmerman, M. Zito, J. Zmuda
  • Kamioka Observatory
  • University of Tokyo
  • Department of Physics and Astronomy
  • Stony Brook University
  • Kavli Institute for the Physics and Mathematics of the Universe
  • Department of Physics
  • Department of Physics
  • Duke University
  • CCLRC Rutherford Appleton Laboratory
  • Kobe University
  • Centre for Research and Education in Fundamental Physics
  • University of Bern
  • Colorado State University
  • IGFL, Université de Lyon, Université Lyon 1
  • Department of Physics
  • University of Regina
  • Department of Physics
  • University of Warwick
  • University of Oxford
  • Institute for Nuclear Physics
  • ETH Zurich
  • ETH Zurich
  • Lancaster University
  • Politecnico di Bari
  • Departement of Physics and Astronomy
  • University of British Columbia
  • York University
  • Department of Physics & Astronomy
  • Louisiana State University
  • Section de Physique
  • University of Geneva
  • Department of Physics and Astronomy
  • University of Victoria
  • The Barcelona Institute of Science and Technology
  • Department of Physics
  • Imperial College London
  • Department of Physics
  • Kyoto University
  • Department of Physics
  • University of Liverpool
  • Department of Physics and Astronomy
  • The University of Sheffield
  • University of Sheffield
  • Department of Physics
  • University of Colorado Boulder
  • University of Padova
  • Department of Physics
  • University of Washington
  • School of Physics and Astronomy
  • Queen Mary University of London
  • Department of Physics and Astronomy
  • University of Pittsburgh
  • Department of Physics
  • University of Toronto
  • University of Naples Federico II
  • UPMC
  • Laboratoire de Probabilités et Modèles Aléatoires
  • Institute of Radioelectronics
  • Warsaw University of Technology
  • Universite Paris-Saclay
  • RWTH Aachen University
  • High Energy Accelerator Research Organization (KEK)
  • J-PARC
  • Department of Physics
  • Miyagi University of Education
  • Faculty of Physics and Astronomy
  • Wroclaw University
  • Institute for Nuclear Research of the Russian Academy of Sciences
  • TRIUMF
  • Institute of Particle Physics
  • University of Silesia
  • Research Center for Cosmic Neutrinos
  • Department of Physics
  • University of Winnipeg
  • National Centre for Nuclear Research (NCBJ)
  • Department of Physics
  • Tokyo Metropolitan University
  • Boston University
  • Faculty of Physics
  • University of Warsaw
  • Department of Physics
  • University of Alberta
  • Department of Physics
  • Okayama University
  • Department of Physics and Astronomy
  • Long Beach VA and University of California
  • Moscow Institute of Physics and Technology
  • National Research Nuclear University MEPhI
  • University of Rome
  • Department of Physics and Astronomy
  • University of Rochester
  • Ip Paris
  • Department of Physics
  • Osaka City University
  • Joint Institute for Nuclear Research, Dubna
  • Department of Science
  • York College/The City University of New York

Résultats de recherche: Contribution à un journal › Article › Revue par des pairs

204 Citations (Scopus)

Résumé

New data from the T2K neutrino oscillation experiment produce the most precise measurement of the neutrino mixing parameter θ23. Using an off-axis neutrino beam with a peak energy of 0.6 GeV and a data set corresponding to 6.57 × 1020protons on target, T2K has fit the energy-dependent νμoscillation probability to determine oscillation parameters. The 68% confidence limit on sin2(θ23) is 0.514-0.056 +0.055(0.511 ± 0.055), assuming normal (inverted) mass hierarchy. The best-fit mass-squared splitting for normal hierarchy is Δm32 2= (2.51 × 0.10) × 10-3eV2/c4(inverted hierarchy: Δm13= (2.48 ± 0.10) × 10-3eV2/c4). Adding a model of multinucleon interactions that affect neutrino energy reconstruction is found to produce only small biases in neutrino oscillation parameter extraction at current levels of statistical uncertainty.

langue originaleAnglais
Numéro d'article181801
journalPhysical Review Letters
Volume112
Numéro de publication18
Les DOIs
étatPublié - 8 mai 2014

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