@article{1806aea150d5430da27e6c1aa3688abe,
title = "Diffuse Supernova Neutrino Background Search at Super-Kamiokande",
abstract = "We present the results of a search for the Diffuse Supernova Neutrino Background (DSNB) at Super-Kamiokande (SK) that incorporates 22.5 × 2970 kton.days of data from its fourth data-taking phase. Two analyses, with different energy regimes covering the 9.3−81.3 MeV antineutrino energy range, have been developed based on previous SK searches, with substantially improved background modeling and data reduction techniques. Moreover, a combined analysis of nearly 20 years of SK data (1996-2018) has been performed, with a 90% C.L. sensitivity to the DSNB flux comparable to various DSNB predictions. No significant evidence for a DSNB signal has been observed, and both analyses set world-leading limits on the DSNB flux that can reach about 2.7νe.cm−2.s−1 for a wide range of models.",
author = "{The Super-Kamiokande Collaboration} and {El Hedri}, S. and Y. Ashida and A. Giampaolo and K. Abe and C. Bronner and Y. Hayato and K. Hiraide and M. Ikeda and J. Kameda and Y. Kanemura and Y. Kataoka and S. Miki and M. Miura and S. Moriyama and Y. Nagao and M. Nakahata and S. Nakayama and K. Okamoto and G. Pronost and H. Sekiya and M. Shiozawa and Y. Sonoda and Y. Suzuki and A. Takeda and Y. Takemoto and A. Takenaka and H. Tanaka and S. Watanabe and T. Yano and S. Han and T. Kajita and K. Okumura and T. Tashiro and J. Xia and Megias, {G. D.} and L. Labarga and Ll Marti and B. Zaldivar and Pointon, {B. W.} and E. Kearns and Raaf, {J. L.} and L. Wan and T. Wester and J. Bian and Griskevich, {N. J.} and Kropp, {W. R.} and S. Locke and S. Mine and Smy, {M. B.} and Y. Nakano",
note = "Publisher Copyright: {\textcopyright} Copyright owned by the author(s).; 37th International Cosmic Ray Conference, ICRC 2021 ; Conference date: 12-07-2021 Through 23-07-2021",
year = "2022",
month = mar,
day = "18",
language = "英語",
volume = "395",
journal = "Proceedings of Science",
issn = "1824-8039",
publisher = "Sissa Medialab Srl",
}