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Upper bound on neutrino mass based on T2K neutrino timing measurements

  • K. Abe
  • , J. Adam
  • , H. Aihara
  • , T. Akiri
  • , C. Andreopoulos
  • , S. Aoki
  • , A. Ariga
  • , S. Assylbekov
  • , D. Autiero
  • , M. Barbi
  • , G. J. Barker
  • , G. Barr
  • , P. Bartet-Friburg
  • , M. Bass
  • , M. Batkiewicz
  • , F. Bay
  • , V. Berardi
  • , B. E. Berger
  • , S. Berkman
  • , S. Bhadra
  • F. D.M. Blaszczyk, A. Blondel, C. Bojechko, S. Bolognesi, 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, N. Chikuma, 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, D. Dewhurst, F. Di Lodovico, S. Di Luise, S. Dolan, O. Drapier, T. Duboyski, K. Duffy, J. Dumarchez, S. Dytman, M. Dziewiecki, S. Emery-Schrenk, A. Ereditato, L. Escudero, T. Feusels, A. J. Finch, G. A. Fiorentini, M. Friend, Y. Fujii, Y. Fukuda, A. P. Furmanski, V. Galymov, A. Garcia, S. Giffin, C. Giganti, K. Gilje, D. Goeldi, T. Golan, M. Gonin, N. Grant, D. Gudin, D. R. Hadley, L. Haegel, A. Haesler, M. D. Haigh, P. Hamilton, D. Hansen, T. Hara, M. Hartz, T. Hasegawa, N. C. Hastings, T. Hayashino, Y. Hayato, C. Hearty, R. L. Helmer, M. Hierholzer, J. Hignight, A. Hillairet, A. Himmel, T. Hiraki, S. Hirota, J. Holeczek, S. Horikawa, F. Hosomi, K. Huang, A. K. Ichikawa, K. Ieki, M. Ieva, M. Ikeda, J. Imber, J. Insler, T. J. Irvine, T. Ishida, T. Ishii, E. Iwai, K. Iwamoto, K. Iyogi, A. Izmaylov, A. Jacob, B. Jamieson, M. Jiang, R. A. Johnson, S. 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, T. Katori, E. Kearns, M. Khabibullin, A. Khotjantsev, D. Kielczewska, T. Kikawa, A. Kilinski, J. Kim, S. King, J. Kisiel, P. Kitching, T. Kobayashi, L. Koch, T. Koga, A. Kolaceke, A. Konaka, A. Kopylov, L. L. Kormos, A. Korzenev, Y. Koshio, W. Kropp, H. Kubo, Y. Kudenko, R. Kurjata, T. Kutter, J. Lagoda, I. Lamont, E. Larkin, M. Laveder, M. Lawe, M. Lazos, T. Lindner, C. Lister, R. P. Litchfield, A. Longhin, J. P. Lopez, L. Ludovici, L. Magaletti, K. Mahn, M. Malek, S. Manly, A. D. Marino, J. Marteau, J. F. Martin, P. Martins, S. Martynenko, T. Maruyama, V. Matveev, K. Mavrokoridis, E. Mazzucato, M. McCarthy, N. McCauley, K. S. McFarland, C. McGrew, A. Mefodiev, C. Metelko, M. Mezzetto, P. Mijakowski, C. A. Miller, A. Minamino, O. Mineev, A. Missert, M. Miura, S. Moriyama, Th A. Mueller, A. Murakami, M. Murdoch, S. Murphy, J. Myslik, T. Nakadaira, M. Nakahata, K. G. Nakamura, K. Nakamura, S. Nakayama, T. Nakaya, K. Nakayoshi, C. Nantais, C. Nielsen, M. Nirkko, K. Nishikawa, Y. Nishimura, J. Nowak, H. M. O'Keeffe, R. Ohta, K. Okumura, T. Okusawa, W. Oryszczak, S. M. Oser, T. Ovsyannikova, R. A. Owen, Y. Oyama, V. Palladino, J. L. 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-Zezula, 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, C. Riccio, P. A. Rodrigues, P. Rojas, E. Rondio, S. Roth, A. Rubbia, D. Ruterbories, A. Rychter, 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, R. Shah, F. Shaker, D. Shaw, M. Shiozawa, S. Short, Y. Shustrov, P. Sinclair, B. 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, 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, Y. Totsuka, C. Touramanis, T. Tsukamoto, M. Tzanov, Y. Uchida, A. Vacheret, M. Vagins, G. Vasseur, T. Wachala, K. Wakamatsu, C. W. Walter, D. Wark, W. Warzycha, 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, T. Yano, S. Yen, N. Yershov, M. Yokoyama, J. Yoo, K. Yoshida, T. Yuan, M. Yu, A. Zalewska, J. Zalipska, L. Zambelli, K. Zaremba, M. Ziembicki, E. D. Zimmerman, M. Zito, J. Zmuda
  • University of Tokyo
  • Stony Brook University
  • Duke University
  • University of Liverpool
  • CCLRC Rutherford Appleton Laboratory
  • Kobe University
  • University of Bern
  • Colorado State University
  • IGFL, Université de Lyon, Université Lyon 1
  • University of Regina
  • University of Warwick
  • University of Oxford
  • Laboratoire de Probabilités et Modèles Aléatoires
  • Institute for Nuclear Physics
  • ETH Zurich
  • Politecnico di Bari
  • University of British Columbia
  • York University
  • Boston University
  • University of Geneva
  • University of Victoria
  • Universite Paris-Saclay
  • The Barcelona Institute of Science and Technology
  • Imperial College London
  • The University of Sheffield
  • University of Sheffield
  • University of Colorado Boulder
  • University of Padova
  • University of Washington
  • Queen Mary University of London
  • University of Pittsburgh
  • University of Toronto
  • University of Naples Federico II
  • Warsaw University of Technology
  • Lancaster University
  • High Energy Accelerator Research Organization (KEK)
  • J-PARC
  • Miyagi University of Education
  • Wroclaw University
  • Institute for Nuclear Research of the Russian Academy of Sciences
  • TRIUMF
  • Kyoto University
  • Institute of Particle Physics
  • University of Silesia
  • Louisiana State University
  • University of Rochester
  • University of Winnipeg
  • National Centre for Nuclear Research (NCBJ)
  • Tokyo Metropolitan University
  • University of Warsaw
  • University of Alberta
  • RWTH Aachen University
  • Okayama University
  • Long Beach VA and University of California
  • National Research Nuclear University MEPhI
  • University of Rome
  • Michigan State University
  • Ip Paris
  • Osaka City University
  • Joint Institute for Nuclear Research, Dubna
  • York College/The City University of New York

Research output: Contribution to journalArticlepeer-review

Abstract

The Tokai to Kamioka (T2K) long-baseline neutrino experiment consists of a muon neutrino beam, produced at the J-PARC accelerator, a near detector complex and a large 295-km-distant far detector. The present work utilizes the T2K event timing measurements at the near and far detectors to study neutrino time of flight as a function of derived neutrino energy. Under the assumption of a relativistic relation between energy and time of flight, constraints on the neutrino rest mass can be derived. The sub-GeV neutrino beam in conjunction with timing precision of order tens of ns provide sensitivity to neutrino mass in the few MeV/c2 range. We study the distribution of relative arrival times of muon and electron neutrino candidate events at the T2K far detector as a function of neutrino energy. The 90% C.L. upper limit on the mixture of neutrino mass eigenstates represented in the data sample is found to be mν2<5.6 MeV2/c4.

Original languageEnglish
Article number012006
JournalPhysical Review D
Volume93
Issue number1
DOIs
Publication statusPublished - 27 Jan 2016

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