Search for electron antineutrino appearance in a long-baseline muon antineutrino beam

Abe, K; Akutsu, R; Ali, A; Alt, C; Andreopoulos, C; Anthony, L; Antonova, M; Aoki, S; Ariga, A; Asada, Y; Ashida, Y; Atkin, ET; Awataguchi, Y; Ban, S; Barbi, M; Barker, GJ; Barr, G; Barrow, D; Barry, C; Batkiewicz-Kwasniak, M; Beloshapkin, A; Bench, F; Berardi, V; Berkman, S; Berns, L; Bhadra, S; Bienstock, S; Blondel, A; Bolognesi, S; Bourguille, B; Boyd, SB; Brailsford, D; Bravar, A; Berguno, DB; Bronner, C; Bubak, A; Avanzini, MB; Calcutt, J; Campbell, T; Cao, S; Cartwright, SL; Catanesi, MG; Cervera, A; Chappell, A; Checchia, C; Cherdack, D; Chikuma, N; Christodoulou, G; Coleman, J; Collazuol, G; Cook, L; Coplowe, D; Cudd, A; Dabrowska, A; Derosa, G; Dealtry, T; Denner, PF; Dennis, SR; Densham, C; Dilodovico, F; Dokania, N; Dolan, S; Doyle, TA; Drapier, O; Dumarchez, J; Dunne, P; Eklund, L; Emery-Schrenk, S; Ereditato, A; Fernandez, P; Feusels, T; Finch, AJ; Fiorentini, GA; Fiorillo, G; Francois, C; Friend, M; Fujii, Y; Fujita, R; Fukuda, D; Fukuda, R; Fukuda, Y; Fusshoeller, K; Gameil, K; Giganti, C; Golan, T; Gonin, M; Gorin, A; Guigue, M; Hadley, DR; Haigh, JT; Hamacher-Baumann, P; Hartz, M; Hasegawa, T; Hastings, NC; Hayashino, T; Hayato, Y; Hiramoto, A; Hogan, M; Holeczek, J; Hongvan, NT; Iacob, F; Ichikawa, AK; Ikeda, M; Ishida, T; Ishii, T; Ishitsuka, M; Iwamoto, K; Izmaylov, A; Jakkapu, M; Jamieson, B; Jenkins, SJ; Jesus-Valls, C; Jiang, M; Johnson, S; Jonsson, P; Jung, CK; Kabirnezhad, M; Kaboth, AC; Kajita, T; Kakuno, H; Kameda, J; Karlen, D; Kasetti, SP; Kataoka, Y; Katori, T; Kato, Y; Kearns, E; Khabibullin, M; Khotjantsev, A; Kikawa, T; Kim, H; Kim, J; King, S; Kisiel, J; Knight, A; Knox, A; Kobayashi, T; Koch, L; Koga, T; Konaka, A; Kormos, LL; Koshio, Y; Kostin, A; Kowalik, K; Kubo, H; Kudenko, Y; Kukita, N; Kuribayashi, S; Kurjata, R; Kutter, T; Kuze, M; Labarga, L; Lagoda, J; Lamoureux, M; Laveder, M; Lawe, M; Licciardi, M; Lindner, T; Litchfield, RP; Liu, SL; Li, X; Longhin, A; Ludovici, L; Lu, X; Lux, T; Machado, LN; Magaletti, L; Mahn, K; Malek, M; Manly, S; Maret, L; Marino, AD; Marti-Magro, L; Martin, JF; Maruyama, T; Matsubara, T; Matsushita, K; Matveev, V; Mavrokoridis, K; Mazzucato, E; McCarthy, M; McCauley, N; McFarland, KS; McGrew, C; Mefodiev, A; Metelko, C; Mezzetto, M; Minamino, A; Mineev, O; Mine, S; Miura, M; Bueno, LM; Moriyama, S; Morrison, J; Mueller, TA; Munteanu, L; Murphy, S; Nagai, Y; Nakadaira, T; Nakahata, M; Nakajima, Y; Nakamura, A; Nakamura, KG; Nakamura, K; Nakayama, S; Nakaya, T; Nakayoshi, K; Nantais, C; Ngoc, TV; Niewczas, K; Nishikawa, K; Nishimura, Y; Nonnenmacher, TS; Nova, F; Novella, P; Nowak, J; Nugent, JC; O'Keeffe, HM; O'Sullivan, L; Odagawa, T; Okumura, K; Okusawa, T; Oser, SM; Owen, RA; Oyama, Y; Palladino, V; Palomino, JL; Paolone, V; Parker, WC; Pasternak, J; Paudyal, P; Pavin, M; Payne, D; Penn, GC; Pickering, L; Pidcott, C; Pintaudi, G; Pinzonguerra, ES; Pistillo, C; Popov, B; Porwit, K; Posiadala-Zezula, M; Pritchard, A; Quilain, B; Radermacher, T; Radicioni, E; Radics, B; Ratoff, PN; Reinherz-Aronis, E; Riccio, C; Rondio, E; Roth, S; Rubbia, A; Ruggeri, AC; Ruggles, CA; Rychter, A; Sakashita, K; Sanchez, F; Schloesser, CM; Scholberg, K; Schwehr, J; Scott, M; Seiya, Y; Sekiguchi, T; Sekiya, H; Sgalaberna, D; Shah, R; Shaikhiev, A; Shaker, F; Shaykina, A; Shiozawa, M; Shorrock, W; Shvartsman, A; Smirnov, A; Smy, M; Sobczyk, JT; Sobel, H; Soler, FJP; Sonoda, Y; Steinmann, J; Suvorov, S; Suzuki, A; Suzuki, SY; Suzuki, Y; Sztuc, AA; Tada, M; Tajima, M; Takeda, A; Takeuchi, Y; Tanaka, HK; Tanaka, HA; Tanaka, S; Thompson, LF; Toki, W; Touramanis, C; Towstego, T; Tsui, KM; Tsukamoto, T; Tzanov, M; Uchida, Y; Uno, W; Vagins, M; Valder, S; Vallari, Z; Vargas, D; Vasseur, G; Vilela, C; Vinning, WGS; Vladisavljevic, T; Volkov, VV; Wachala, T; Walker, J; Walsh, JG; Wang, Y; Wark, D; Wascko, MO; Weber, A; Wendell, R; Wilking, MJ; Wilkinson, C; Wilson, JR; Wilson, RJ; Wood, K; Wret, C; Yamada, Y; Yamamoto, K; Yanagisawa, C; Yang, G; Yano, T; Yasutome, K; Yen, S; Yershov, N; Yokoyama, M; Yoshida, T; Yu, M; Zalewska, A; Zalipska, J; Zaremba, K; Zarnecki, G; Ziembicki, M; Zimmerman, ED; Zito, M; Zsoldos, S; Zykova, A

Journal article

Search for electron antineutrino appearance in a long-baseline muon antineutrino beam

Abstract:: Electron antineutrino appearance is measured by the T2K experiment in an accelerator-produced antineutrino beam, using additional neutrino beam operation to constrain parameters of the Pontecorvo-Maki-Nakagawa-Sakata (PMNS) mixing matrix. T2K observes 15 candidate electron antineutrino events with a background expectation of 9.3 events. Including information from the kinematic distribution of observed events, the hypothesis of no electron antineutrino appearance is disfavored with a significance of 2.40σ and no discrepancy between data and PMNS predictions is found. A complementary analysis that introduces an additional free parameter which allows non-PMNS values of electron neutrino and antineutrino appearance also finds no discrepancy between data and PMNS predictions.

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Peer review status:: Peer reviewed

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APA Style

Abe, K., Akutsu, R., Ali, A., Alt, C., Andreopoulos, C., Anthony, L., Antonova, M., Aoki, S., Ariga, A., Asada, Y., Ashida, Y., Atkin, E. T., Awataguchi, Y., Ban, S., Barbi, M., Barker, G. J., Barr, G., Barrow, D., Barry, C., … Zykova, A. (2020). Search for electron antineutrino appearance in a long-baseline muon antineutrino beam. Physical Review Letters, 124(16).

MLA Style

Abe, K., et al. “Search for Electron Antineutrino Appearance in a Long-Baseline Muon Antineutrino Beam.” Physical Review Letters, vol. 124, no. 16, American Physical Society, 2020.

Chicago Style

Abe, K, R Akutsu, A Ali, C Alt, C Andreopoulos, L Anthony, M Antonova, et al. 2020. “Search for Electron Antineutrino Appearance in a Long-Baseline Muon Antineutrino Beam.” Physical Review Letters 124 (16).
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Publisher copy:: 10.1103/PhysRevLett.124.161802

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+ Abe, K More by this author

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+ Akutsu, R More by this author

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+ Ali, A More by this author

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+ Alt, C More by this author

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+ Andreopoulos, C More by this author

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Publisher:: American Physical Society
Journal:: Physical Review Letters More from this journal
Volume:: 124
Issue:: 16
Article number:: 161802
Publication date:: 2020-04-21
Acceptance date:: 2020-03-25
DOI:: 10.1103/PhysRevLett.124.161802
EISSN:: 1079-7114
ISSN:: 0031-9007

Language:: English
Keywords:: FFR
Pubs id:: pubs:1074703
UUID:: uuid:a48387ed-5e3b-4c27-8d1f-87572a0b5b35
Local pid:: pubs:1074703
Source identifiers:: 1074703
Deposit date:: 2020-01-04

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Copyright holder:: Abe, K et al.
Rights statement:: © 2020 Abe, K et al. Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license. Further distribution of this work must maintain attribution to the author(s) and the published article’s title, journal citation, and DOI. Funded by SCOAP3.

Licence:: CC Attribution (CC BY)

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Journal article

Search for electron antineutrino appearance in a long-baseline muon antineutrino beam

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Search for electron antineutrino appearance in a long-baseline muon antineutrino beam

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