학술논문

Search for short baseline $\nu_e$ disappearance with the T2K near detector
Document Type
Working Paper
Author
Abe, K.Adam, J.Aihara, H.Akiri, T.Andreopoulos, C.Aoki, S.Ariga, A.Assylbekov, S.Autiero, D.Barbi, M.Barker, G. J.Barr, G.Bass, M.Batkiewicz, M.Bay, F.Berardi, V.Berger, B. E.Berkman, S.Bhadra, S.Blaszczyk, F. d. M.Blondel, A.Bojechko, C.Bordoni, S.Boyd, S. B.Brailsford, D.Bravar, A.Bronner, C.Buchanan, N.Calland, R. G.Rodríguez, J. CaravacaCartwright, S. L.Castillo, R.Catanesi, M. G.Cervera, A.Cherdack, D.Christodoulou, G.Clifton, A.Coleman, J.Coleman, S. J.Collazuol, G.Connolly, K.Cremonesi, L.Dabrowska, A.Danko, I.Das, R.Davis, S.de Perio, P.De Rosa, G.Dealtry, T.Dennis, S. R.Densham, C.Dewhurst, D.Di Lodovico, F.Di Luise, S.Drapier, O.Duboyski, T.Duffy, K.Dumarchez, J.Dytman, S.Dziewiecki, M.Emery-Schrenk, S.Ereditato, A.Escudero, L.Finch, A. J.Aguirre, G. A. FiorentiniFriend, M.Fujii, Y.Fukuda, Y.Furmanski, A. P.Galymov, V.Giffin, S.Giganti, C.Gilje, K.Goeldi, D.Golan, T.Gonin, M.Grant, N.Gudin, D.Hadley, D. R.Haegel, L.Haesler, A.Haigh, M. D.Hamilton, P.Hansen, D.Hara, T.Hartz, M.Hasegawa, T.Hastings, N. C.Hayashino, T.Hayato, Y.Hearty, C.Helmer, R. L.Hierholzer, M.Hignight, J.Hillairet, A.Himmel, A.Hiraki, T.Hirota, S.Holeczek, J.Horikawa, S.Huang, K.Ichikawa, A. K.Ieki, K.Ieva, M.Ikeda, M.Imber, J.Insler, J.Irvine, T. J.Ishida, T.Ishii, T.Iwai, E.Iwamoto, K.Iyogi, K.Izmaylov, A.Jacob, A.Jamieson, B.Jiang, M.Johnson, S.Jo, J. H.Jonsson, P.Jung, C. K.Kabirnezhad, M.Kaboth, A. C.Kajita, T.Kakuno, H.Kameda, J.Kanazawa, Y.Karlen, D.Karpikov, I.Katori, T.Kearns, E.Khabibullin, M.Khotjantsev, A.Kielczewska, D.Kikawa, T.Kilinski, A.Kim, J.King, S.Kisiel, J.Kitching, P.Kobayashi, T.Koch, L.Kolaceke, A.Konaka, A.Kormos, L. L.Korzenev, A.Koshio, Y.Kropp, W.Kubo, H.Kudenko, Y.Kurjata, R.Kutter, T.Lagoda, J.Lamont, I.Larkin, E.Laveder, M.Lawe, M.Lazos, M.Lindner, T.Lister, C.Litchfield, R. P.Longhin, A.Ludovici, L.Magaletti, L.Mahn, K.Malek, M.Manly, S.Marino, A. D.Marteau, J.Martin, J. F.Martins, P.Martynenko, S.Maruyama, T.Matveev, V.Mavrokoridis, K.Mazzucato, E.McCarthy, M.McCauley, N.McFarland, K. S.McGrew, C.Mefodiev, A.Metelko, C.Mezzetto, M.Mijakowski, P.Miller, C. A.Minamino, A.Mineev, O.Missert, A.Miura, M.Moriyama, S.Mueller, Th. A.Murakami, A.Murdoch, M.Murphy, S.Myslik, J.Nakadaira, T.Nakahata, M.Nakamura, K.Nakayama, S.Nakaya, T.Nakayoshi, K.Nantais, C.Nielsen, C.Nirkko, M.Nishikawa, K.Nishimura, Y.Nowak, J.O'Keeffe, H. M.Ohta, R.Okumura, K.Okusawa, T.Oryszczak, W.Oser, S. M.Ovsyannikova, T.Owen, R. A.Oyama, Y.Palladino, V.Palomino, J. L.Paolone, V.Payne, D.Perevozchikov, O.Perkin, J. D.Petrov, Y.Pickard, L.Guerra, E. S. PinzonPistillo, C.Plonski, P.Poplawska, E.Popov, B.Posiadala-Zezula, M.Poutissou, J. -M.Poutissou, R.Przewlocki, P.Quilain, B.Radicioni, E.Ratoff, P. N.Ravonel, M.Rayner, M. A. M.Redij, A.Reeves, M.Reinherz-Aronis, E.Riccio, C.Rodrigues, P. A.Rojas, P.Rondio, E.Roth, S.Rubbia, A.Ruterbories, D.Sacco, R.Sakashita, K.Sánchez, F.Sato, F.Scantamburlo, E.Scholberg, K.Schoppmann, S.Schwehr, J.Scott, M.Seiya, Y.Sekiguchi, T.Sekiya, H.Sgalaberna, D.Shaker, F.Shaw, D.Shiozawa, M.Short, S.Shustrov, Y.Sinclair, P.Smith, B.Smy, M.Sobczyk, J. T.Sobel, H.Sorel, M.Southwell, L.Stamoulis, P.Steinmann, J.Still, B.Suda, Y.Suzuki, A.Suzuki, K.Suzuki, S. Y.Suzuki, Y.Tacik, R.Tada, M.Takahashi, S.Takeda, A.Takeuchi, Y.Tanaka, H. K.Tanaka, H. A.Tanaka, M. M.Terhorst, D.Terri, R.Thompson, L. F.Thorley, A.Tobayama, S.Toki, W.Tomura, T.Totsuka, Y.Touramanis, C.Tsukamoto, T.Tzanov, M.Uchida, Y.Vacheret, A.Vagins, M.Vasseur, G.Wachala, T.Wakamatsu, K.Walter, C. W.Wark, D.Warzycha, W.Wascko, M. O.Weber, A.Wendell, R.Wilkes, R. J.Wilking, M. J.Wilkinson, C.Williamson, Z.Wilson, J. R.Wilson, R. J.Wongjirad, T.Yamada, Y.Yamamoto, K.Yanagisawa, C.Yano, T.Yen, S.Yershov, N.Yokoyama, M.Yoshida, K.Yuan, T.Yu, M.Zalewska, A.Zalipska, J.Zambelli, L.Zaremba, K.Ziembicki, M.Zimmerman, E. D.Zito, M.Zmuda, J.
Source
Subject
High Energy Physics - Experiment
Language
Abstract
The T2K experiment has performed a search for $\nu_e$ disappearance due to sterile neutrinos using $5.9 \times 10^{20}$ protons on target for a baseline of $280 m$ in a neutrino beam peaked at about $500 MeV$. A sample of \nu_e 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\% CL is approximately $sin^2 2 \theta_{ee} > 0.3$ for $\Delta m^2_{eff} > 7 eV^2 / c^4$.
Comment: 8 pages, 6 figures, submitted to PRD rapid communication