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Atmospheric neutrino oscillation analysis with improved event reconstruction in Super-Kamiokande IV

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Title: Atmospheric neutrino oscillation analysis with improved event reconstruction in Super-Kamiokande IV
Authors: Jiang, M
Abe, K
Bronner, C
Hayato, Y
Ikeda, M
Iyogi, K
Kameda, J
Kato, Y
Kishimoto, Y
Marti, LL
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
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
Molina Sedgwick, S
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
Wan, L
Minamino, A
Item Type: Journal Article
Abstract: A new event reconstruction algorithm based on a maximum likelihood method has been developed for Super-Kamiokande. Its improved kinematic and particle identification capabilities enable the analysis of atmospheric neutrino data in a detector volume 32% larger than previous analyses and increase the sensitivity to the neutrino mass hierarchy. Analysis of a 253.9 kton⋅year exposure of the Super-Kamiokande IV atmospheric neutrino data has yielded a weak preference for the normal hierarchy, disfavoring the inverted hierarchy at 74% assuming oscillations at the best fit of the analysis.
Issue Date: 1-May-2019
Date of Acceptance: 15-Feb-2019
URI: http://hdl.handle.net/10044/1/72134
DOI: https://doi.org/10.1093/ptep/ptz015
ISSN: 2050-3911
Publisher: Oxford University Press
Journal / Book Title: Progress of Theoretical and Experimental Physics
Volume: 2019
Issue: 5
Copyright Statement: © 2019 The Author(s). Published by Oxford University Press on behalf of the Physical Society of Japan. This is an Open Access article distributed under the terms of the Creative Commons Attribution License (http://creativecommons.org/licenses/by/4.0/), which permits unrestricted reuse, distribution, and reproduction in any medium, provided the original work is properly cited. Funded by SCOAP3.
Sponsor/Funder: Science and Technology Facilities Council (STFC)
Funder's Grant Number: ST/M002691/1
Keywords: hep-ex
hep-ex
Publication Status: Published
Open Access location: https://academic.oup.com/ptep/article-pdf/2019/5/053F01/28638877/ptz015.pdf
Online Publication Date: 2019-05-14
Appears in Collections:Physics
High Energy Physics