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  • Search for light sterile ne...
    Andreopoulos, C.; Ariga, A.; Ashida, Y.; Bench, F.; Berardi, V.; Berkman, S.; Bhadra, S.; Bourguille, B.; Brailsford, D.; Bravar, A.; Bronner, C.; Buizza Avanzini, M.; Cervera, A.; Chappell, A.; Checchia, C.; Cherdack, D.; Dealtry, T.; Denner, P. F.; Dennis, S. R.; Di Lodovico, F.; Duffy, K. E.; Dunne, P.; Emery-Schrenk, S.; Francois, C.; Friend, M.; Fujita, R.; Fukuda, Y.; Gizzarelli, F.; Golan, T.; Haigh, J. T.; Hayato, Y.; Hiramoto, A.; Hogan, M.; Holeczek, J.; Intonti, R. A.; Jesus, C.; Johnson, S.; Jonsson, P.; Jung, C. K.; Kaboth, A. C.; Kakuno, H.; Kameda, J.; Karlen, D.; Katori, T.; Kudenko, Y.; Kutter, T.; Lamoureux, M.; Laveder, M.; Lawe, M.; Lindner, T.; Litchfield, R. P.; Li, X.; Lopez, J. P.; Ludovici, L.; Marino, A. D.; Mezzetto, M.; Mineev, O.; Morrison, J.; Murphy, S.; Nagai, Y.; Nakamura, K.; Nakanishi, Y.; Nakaya, T.; Nishikawa, K.; Nishimura, Y.; Novella, P.; Okumura, K.; Oser, S. M.; Palomino, J. L.; Posiadala-Zezula, M.; Radics, B.; Ratoff, P. N.; Rubbia, A.; Sánchez, F.; Sasaki, S.; Scott, M.; Shaker, F.; Shaw, D.; Smy, M.; Sobczyk, J. T.; Sonoda, Y.; Sztuc, A. A.; Tacik, R.; Takeuchi, Y.; Tanaka, H. K.; Thompson, L. F.; Vagins, M.; Vargas, D.; Volkov, V. V.; Wachala, T.; Wang, Y.; Wark, D.; Wendell, R.; Yamasu, S.; Yasutome, K.; Yershov, N.; Yoshida, T.; Zalipska, J.; Zaremba, K.; Ziembicki, M.

    Physical review. D, 04/2019, Letnik: 99, Številka: 7
    Journal Article

    We perform a search for light sterile neutrinos using the data from the T2K far detector at a baseline of 295 km, with an exposure of 14.7(7.6)×1020 protons on target in neutrino (antineutrino) mode. A selection of neutral-current interaction samples is also used to enhance the sensitivity to sterile mixing. No evidence of sterile neutrino mixing in the 3+1 model was found from a simultaneous fit to the charged-current muon, electron and neutral-current neutrino samples. We set the most stringent limit on the sterile oscillation amplitude sin2θ24 for the sterile neutrino mass splitting Δm412<3×10−3 eV2/c4.