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

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Title: Search for electron antineutrino appearance in a long-baseline muon antineutrino beam
Authors: 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
Bravo Berguno, D
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
De Rosa, G
Dealtry, T
Denner, PF
Dennis, SR
Densham, C
Di Lodovico, 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
Van, NTH
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
Litcheld, 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, T
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
Guerra, ESP
Pistillo, C
Popov, B
Porwit, K
Posiadala-Zezula, M
Pritchard, A
Quilain, B
Radermacher, T
Radicioni, E
Radics, B
Rato, 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
Item Type: Journal Article
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 2.40 σ 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.
Issue Date: 21-Apr-2020
Date of Acceptance: 1-Apr-2020
URI: http://hdl.handle.net/10044/1/79254
DOI: 10.1103/PhysRevLett.124.161802
ISSN: 0031-9007
Publisher: American Physical Society
Start Page: 161802-1
End Page: 161802-8
Journal / Book Title: Physical Review Letters
Volume: 124
Issue: 16
Copyright Statement: © 2020 The Author(s). Published by the American Physical Society under the terms of the Creative Commons Attribution 4.0 International license (https://creativecommons.org/licenses/by/4.0/). 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.
Sponsor/Funder: Science and Technology Facilities Council (STFC)
Science and Technology Facilities Council (STFC)
Funder's Grant Number: ST/H000992/1
ST/S001174/4
Keywords: Science & Technology
Physical Sciences
Physics, Multidisciplinary
Physics
T2K Collaboration
Science & Technology
Physical Sciences
Physics, Multidisciplinary
Physics
hep-ex
hep-ex
01 Mathematical Sciences
02 Physical Sciences
09 Engineering
General Physics
Publication Status: Published
Article Number: ARTN 161802
Online Publication Date: 2020-04-21
Appears in Collections:Physics
High Energy Physics