Supernova Relic Neutrino search with neutron tagging at Super-Kamiokande-IV

Published

Journal Article

A search for Supernova Relic Neutrinos ν̄e's is first conducted via inverse-beta-decay by tagging neutron capture on hydrogen at Super-Kamiokande-IV. The neutron tagging efficiency is determined to be (17.74±0.04stat.±1.05sys.)%, while the corresponding accidental background probability is (1.06±0.01 stat.±0.18sys.)%. Using 960 days of data, we obtain 13 inverse-beta-decay candidates in the range of Eν̄e between 13.3 MeV and 31.3 MeV. All of the observed candidates are attributed to background. Upper limits at 90% C.L. are calculated in the absence of a signal. © 2014 Elsevier B.V. All rights reserved.

Full Text

Duke Authors

Cited Authors

  • Zhang, H; Abe, K; Hayato, Y; Iyogi, K; Kameda, J; Kishimoto, Y; Miura, M; Moriyama, S; Nakahata, M; Nakano, Y; Nakayama, S; Sekiya, H; Shiozawa, M; Suzuki, Y; Takeda, A; Takenaga, Y; Tomura, T; Ueno, K; Yokozawa, T; Wendell, RA; Kaji, H; Kajita, T; Lee, KP; Nishimura, Y; Okumura, K; McLachlan, T; Labarga, L; Barkman, S; Tanaka, TS; Tobayama, S; Kearns, E; Raaf, JL; Stone, JL; Sulak, LR; Bays, K; Carminati, G; Kropp, WR; Mine, S; Renshaw, A; Smy, MB; Sobel, HW; Ganezer, KS; Hill, J; Keig, WE; Jang, JS; Kim, JY; Lim, IT; Akiri, T; Scholberg, K; Walter, CW; Wongjirad, T; Ishizuka, T; Tasaka, S; Learned, JG; Matsuno, S; Smith, SN; Hasegawa, T; Ishida, T; Ishii, T; Kobayashi, T; Nakadaira, T; Nakamura, K; Nishikawa, K; Oyama, Y; Sakashita, K; Sekiguchi, T; Tsukamoto, T; Suzuki, AT; Takeuchi, Y; Ieki, K; Ikeda, M; Kikawa, H; Huang, K; Minamino, A; Murakami, A; Nakaya, T; Suzuki, K; Takahashi, S; Fukuda, Y; Choi, K; Itow, Y; Mitsuka, G; Mijakowski, P; Hignight, J; Imber, J; Jung, CK; Taylor, I; Yanagisawa, C; Ishino, H; Kibayashi, A; Koshio, Y; Mori, T; Sakuda, M; Yamaguchi, R; Yano, T; Kuno, Y; Tacik, R; Kim, SB; Okazawa, H; Choi, Y

Published Date

  • January 1, 2015

Published In

Volume / Issue

  • 60 /

Start / End Page

  • 41 - 46

International Standard Serial Number (ISSN)

  • 0927-6505

Digital Object Identifier (DOI)

  • 10.1016/j.astropartphys.2014.05.004

Citation Source

  • Scopus