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Search for heavy neutrinos with the T2K near detector ND280

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Title: Search for heavy neutrinos with the T2K near detector ND280
Authors: Abe, K
Akutsu, R
Ali, A
Andreopoulos, C
Anthony, L
Antonova, M
Aoki, S
Ariga, A
Ashida, Y
Awataguchi, Y
Azuma, Y
Ban, S
Barbi, M
Barker, GJ
Barr, G
Barry, C
Batkiewicz-Kwasniak, M
Bench, F
Berardi, V
Berkman, S
Berner, RM
Berns, L
Bhadra, S
Bienstock, S
Blondel, A
Bolognesi, S
Bourguille, B
Boyd, SB
Brailsford, D
Bravar, A
Bronner, C
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
Coplowe, D
Cudd, A
Dabrowska, A
De Rosa, G
Dealtry, T
Denner, PF
Dennis, SR
Densham, C
Di Lodovico, F
Dokania, N
Dolan, S
Drapier, O
Duffy, KE
Dumarchez, J
Dunne, P
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, Y
Gameil, K
Giganti, C
Gizzarelli, F
Golan, T
Gonin, M
Hadley, DR
Haegel, L
Haigh, JT
Hamacher-Baumann, P
Hartz, M
Hasegawa, T
Hastings, NC
Hayashino, T
Hayato, Y
Hiramoto, A
Hogan, M
Holeczek, J
Van, NTH
Hosomi, F
Iacob, F
Ichikawa, AK
Ikeda, M
Inoue, T
Intonti, RA
Ishida, T
Ishii, T
Ishitsuka, M
Iwamoto, K
Izmaylov, A
Jamieson, B
Jesus, C
Jiang, M
Johnson, S
Jonsson, P
Jung, CK
Kabirnezhad, M
Kaboth, AC
Kajita, T
Kakuno, H
Kameda, J
Karlen, D
Katori, T
Kato, Y
Kearns, E
Khabibullin, M
Khotjantsev, A
Kim, H
Kim, J
King, S
Kisiel, J
Knight, A
Knox, A
Kobayashi, T
Koch, L
Koga, T
Koller, PP
Konaka, A
Kormos, LL
Koshio, Y
Kowalik, K
Kubo, H
Kudenko, Y
Kurjata, R
Kutter, T
Kuze, M
Labarga, L
Lagoda, J
Lamoureux, M
Lasorak, P
Laveder, M
Lawe, M
Licciardi, M
Lindner, T
Liptak, ZJ
Litchfield, RP
Li, X
Longhin, A
Lopez, JP
Lou, T
Ludovici, L
Lu, X
Lux, T
Magaletti, L
Mahn, K
Malek, M
Manly, S
Maret, L
Marino, AD
Martin, JF
Martins, P
Maruyama, T
Matsubara, T
Matveev, V
Mavrokoridis, K
Ma, WY
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
Murphy, S
Nagai, Y
Nakadaira, T
Nakahata, M
Nakajima, Y
Nakamura, A
Nakamura, KG
Nakamura, K
Nakamura, KD
Nakanishi, Y
Nakayama, S
Nakaya, T
Nakayoshi, K
Nantais, C
Niewczas, K
Nishikawa, K
Nishimura, Y
Nonnenmacher, TS
Novella, P
Nowak, J
O'Keeffe, HM
O'Sullivan, L
Okumura, K
Okusawa, T
Oryszczak, W
Oser, SM
Owen, RA
Oyama, Y
Palladino, V
Palomino, JL
Paolone, V
Parker, WC
Paudyal, P
Pavin, M
Payne, D
Pickering, L
Pidcott, C
Guerra, ESP
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
Rossi, B
Roth, S
Rubbia, A
Ruggeri, AC
Rychter, A
Sakashita, K
Sanchez, F
Sasaki, S
Scantamburlo, E
Schloesser, CM
Scholberg, K
Schwehr, J
Scott, M
Seiya, Y
Sekiguchi, T
Sekiya, H
Sgalaberna, D
Shah, R
Shaikhiev, A
Shaker, F
Shaw, D
Shaykina, A
Shiozawa, M
Smirnov, A
Smy, M
Sobczyk, JT
Sobel, H
Sonoda, Y
Steinmann, J
Stewart, T
Stowell, P
Suda, Y
Suvorov, S
Suzuki, A
Suzuki, SY
Suzuki, Y
Sztuc, AA
Tacik, R
Tada, M
Takeda, A
Takeuchi, Y
Tamura, R
Tanaka, HK
Tanaka, HA
Thakore, T
Thompson, LF
Toki, W
Touramanis, C
Tsui, KM
Tsukamoto, T
Tzanov, M
Uchida, Y
Uno, W
Vagins, M
Vallari, Z
Vargas, D
Vasseur, G
Vilela, C
Vladisavljevic, T
Volkov, VV
Wachala, T
Walker, J
Wang, Y
Wark, D
Wascko, MO
Weber, A
Wendell, R
Wilking, MJ
Wilkinson, C
Wilson, JR
Wilson, RJ
Wret, C
Yamada, Y
Yamamoto, K
Yamasu, S
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: This paper reports on the search for heavy neutrinos with masses in the range 140<MN<493  MeV/c2 using the off-axis near detector ND280 of the T2K experiment. These particles can be produced from kaon decays in the standard neutrino beam and then subsequently decay in ND280. The decay modes under consideration are N→ℓ±απ∓ and N→ℓ+αℓ−β(−)ν(α,β=e,μ). A search for such events has been made using the Time Projection Chambers of ND280, where the background has been reduced to less than two events in the current dataset in all channels. No excess has been observed in the signal region. A combined Bayesian statistical approach has been applied to extract upper limits on the mixing elements of heavy neutrinos to electron-, muon- and tau- flavored currents (U2e, U2μ, U2τ) as a function of the heavy neutrino mass, e.g., U2e<10−9 at 90% C.L. for a mass of 390  MeV/c2. These constraints are competitive with previous experiments.
Issue Date: 10-Sep-2019
Date of Acceptance: 12-Aug-2019
URI: http://hdl.handle.net/10044/1/74404
DOI: https://dx.doi.org/10.1103/PhysRevD.100.052006
ISSN: 1550-2368
Publisher: American Physical Society
Journal / Book Title: Physical Review D: Particles, Fields, Gravitation and Cosmology
Volume: 100
Issue: 5
Copyright Statement: © The Author(s). Published by the American Physical Society under the terms oftheCreative Commons Attribution 4.0 Internationallicense.Further distribution of this work must maintain attribution tothe 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)
Science and Technology Facilities Council (STFC)
Science and Technology Facilities Council (STFC)
Funder's Grant Number: PP/E000509/1
ST/F009976/1
ST/H000992/1
ST/K001604/1
Keywords: Science & Technology
Physical Sciences
Astronomy & Astrophysics
Physics, Particles & Fields
Physics
GENERAL-THEORY
DARK-MATTER
LIMITS
VMSM
Science & Technology
Physical Sciences
Astronomy & Astrophysics
Physics, Particles & Fields
Physics
GENERAL-THEORY
DARK-MATTER
LIMITS
VMSM
hep-ex
hep-ex
Publication Status: Published
Open Access location: https://journals.aps.org/prd/abstract/10.1103/PhysRevD.100.052006
Article Number: ARTN 052006
Online Publication Date: 2019-09-10
Appears in Collections:Physics
High Energy Physics