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Search for short baseline νe disappearance with the T2K near detector

  • 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, G. Christodoulou, A. Clifton, J. Coleman, S. J. Coleman, G. Collazuol, K. Connolly, L. Cremonesi, A. Dabrowska, 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, 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, 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, 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, C. Touramanis, T. Tsukamoto, M. Tzanov, Y. Uchida, A. Vacheret, M. Vagins, G. Vasseur, T. Wachala, K. Wakamatsu, M. Wallbank, 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, 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
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  • CCLRC Rutherford Appleton Laboratory
  • Kobe University
  • University of Bern
  • Colorado State University
  • IGFL, Université de Lyon, Université Lyon 1
  • University of Regina
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  • University of Oxford
  • Laboratoire de Probabilités et Modèles Aléatoires
  • Institute for Nuclear Physics
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  • Politecnico di Bari
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  • University of Pittsburgh
  • Warsaw University of Technology
  • Lancaster University
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  • Miyagi University of Education
  • Wroclaw University
  • Institute for Nuclear Research of the Russian Academy of Sciences
  • TRIUMF
  • Kyoto University
  • 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

Résultats de recherche: Contribution à un journalArticleRevue par des pairs

Résumé

The T2K experiment has performed a search for νe disappearance due to sterile neutrinos using 5.9×1020 protons on target for a baseline of 280 m in a neutrino beam peaked at about 500 MeV. A sample of νe CC interactions in the off-axis near detector has been selected with a purity of 63% and an efficiency of 26%. The p-value for the null hypothesis is 0.085 and the excluded region at 95% C.L. is approximately sin22θee>0.3 for Δmeff2>7eV2/c4.

langue originaleAnglais
Numéro d'article051102
journalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume91
Numéro de publication5
Les DOIs
étatPublié - 16 mars 2015

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