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Measurement of the neutrino-oxygen neutral-current quasielastic cross section using atmospheric neutrinos at Super-Kamiokande

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Title: Measurement of the neutrino-oxygen neutral-current quasielastic cross section using atmospheric neutrinos at Super-Kamiokande
Authors: Wan, L
Abe, K
Bronner, C
Hayato, Y
Ikeda, M
Iyogi, K
Kameda, J
Kato, Y
Kishimoto, Y
Marti, L
Miura, M
Moriyama, S
Mochizuki, T
Nakahata, M
Nakajima, Y
Nakano, Y
Nakayama, S
Okada, T
Okamoto, K
Orii, A
Pronost, G
Sekiya, H
Shiozawa, M
Sonoda, Y
Takeda, A
Takenaka, A
Tanaka, H
Yano, T
Akutsu, R
Kajita, T
Nishimura, Y
Okumura, K
Wang, R
Xia, J
Labarga, L
Fernandez, P
Blaszczyk, FDM
Kachulis, C
Kearns, E
Raaf, JL
Stone, JL
Sussman, S
Berkman, S
Bian, J
Griskevich, NJ
Kropp, WR
Locke, S
Mine, S
Weatherly, P
Smy, MB
Sobel, HW
Takhistov, V
Ganezer, KS
Hill, J
Kim, JY
Lim, IT
Park, RG
Bodur, B
Scholberg, K
Walter, CW
Gonin, M
Imber, J
Mueller, TA
Ishizuka, T
Nakamura, T
Jang, JS
Choi, K
Learned, JG
Matsuno, S
Litchfield, RP
Uchida, Y
Wascko, MO
Calabria, NF
Catanesi, MG
Intonti, RA
Radicioni, E
De Rosa, G
Ali, A
Collazuol, G
Iacob, F
Ludovici, L
Cao, S
Friend, M
Hasegawa, T
Ishida, T
Kobayashi, T
Nakadaira, T
Nakamura, K
Oyama, Y
Sakashita, K
Sekiguchi, T
Tsukamoto, T
Abe, KE
Hasegawa, M
Isobe, Y
Miyabe, H
Sugimoto, T
Suzuki, AT
Takeuchi, Y
Ashida, Y
Hayashino, T
Hirota, S
Jiang, M
Kikawa, T
Mori, M
Nakamura, KE
Nakaya, T
Wendell, RA
Anthony, LHV
McCauley, N
Pritchard, A
Tsui, KM
Fukuda, Y
Itow, Y
Murrase, M
Mijakowski, P
Frankiewicz, K
Jung, CK
Li, X
Palomino, JL
Santucci, G
Vilela, C
Wilking, MJ
Yanagisawa, C
Fukuda, D
Hagiwara, K
Ishino, H
Ito, S
Koshio, Y
Sakuda, M
Takahira, Y
Xu, C
Kuno, Y
Simpson, C
Wark, D
Di Lodovico, F
Richards, B
Sedgwick, SM
Tacik, R
Kim, SB
Thiesse, M
Thompson, L
Okazawa, H
Choi, Y
Nishijima, K
Koshiba, M
Yokoyama, M
Goldsack, A
Martens, K
Murdoch, M
Quilain, B
Suzuki, Y
Vagins, MR
Kuze, M
Okajima, Y
Yoshida, T
Ishitsuka, M
Martin, JF
Nantais, CM
Tanaka, HA
Towstego, T
Hartz, M
Konaka, A
De Perio, P
Chen, S
Minamino, A
Item Type: Journal Article
Abstract: Neutral current (NC) interactions of atmospheric neutrinos on oxygen form one of the major backgrounds in the search for supernova relic neutrinos with water-based Cherenkov detectors. The NC channel is dominated by neutrino quasielastic (NCQE) scattering off nucleons inside 16O nuclei. In this paper we report the first measurement of NCQE cross section using atmospheric neutrinos at Super-Kamiokande (SK). The measurement used 2,778 live days of SK-IV data with a fiducial volume of 22.5 kiloton water. Within the visible energy window of 7.5–29.5 MeV, we observed 117 events compared to the expected 71.9 NCQE signal and 53.1 background events. Weighted by the atmospheric neutrino spectrum from 160 MeV to 10 GeV, the flux averaged NCQE cross section is measured to be (1.01±0.17(stat.)+0.78−0.30(sys.))×10−38  cm2.
Issue Date: 1-Feb-2019
Date of Acceptance: 31-Jan-2019
URI: http://hdl.handle.net/10044/1/68524
DOI: https://dx.doi.org/10.1103/PhysRevD.99.032005
ISSN: 2470-0010
Publisher: American Physical Society
Journal / Book Title: Physical Review D
Volume: 99
Issue: 3
Copyright Statement: © 2019 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)
Science and Technology Facilities Council (STFC)
Funder's Grant Number: ST/K001604/1
ST/M002691/1
ST/N000242/1
Keywords: Science & Technology
Physical Sciences
Astronomy & Astrophysics
Physics, Particles & Fields
Physics
SEARCH
EVENTS
MU
Publication Status: Published
Open Access location: https://journals.aps.org/prd/pdf/10.1103/PhysRevD.99.032005
Article Number: 032005
Online Publication Date: 2019-02-15
Appears in Collections:Physics
High Energy Physics