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Supernova relic neutrino search at super-Kamiokande

  • K. Bays
  • , T. Iida
  • , K. Abe
  • , Y. Hayato
  • , K. Iyogi
  • , J. Kameda
  • , Y. Koshio
  • , L. Marti
  • , M. Miura
  • , S. Moriyama
  • , M. Nakahata
  • , S. Nakayama
  • , Y. Obayashi
  • , H. Sekiya
  • , M. Shiozawa
  • , Y. Suzuki
  • , A. Takeda
  • , Y. Takenaga
  • , K. Ueno
  • , K. Ueshima
  • S. Yamada, T. Yokozawa, H. Kaji, T. Kajita, K. Kaneyuki, T. McLachlan, K. Okumura, K. P. Lee, K. Martens, M. Vagins, L. Labarga, E. Kearns, M. Litos, J. L. Raaf, J. L. Stone, L. R. Sulak, W. R. Kropp, S. Mine, C. Regis, A. Renshaw, M. B. Smy, H. W. Sobel, K. S. Ganezer, J. Hill, W. E. Keig, S. Cho, J. S. Jang, J. Y. Kim, I. T. Lim, J. Albert, K. Scholberg, C. W. Walter, R. Wendell, T. Wongjirad, T. Ishizuka, S. Tasaka, J. G. Learned, S. Matsuno, S. Smith, T. Hasegawa, T. Ishida, T. Ishii, T. Kobayashi, T. Nakadaira, K. Nakamura, K. Nishikawa, Y. Oyama, K. Sakashita, T. Sekiguchi, T. Tsukamoto, A. T. Suzuki, Y. Takeuchi, M. Ikeda, K. Matsuoka, A. Minamino, A. Murakami, T. Nakaya, Y. Fukuda, Y. Itow, G. Mitsuka, M. Miyake, T. Tanaka, J. Hignight, J. Imber, C. K. Jung, I. Taylor, C. Yanagisawa, A. Kibayashi, H. Ishino, S. Mino, M. Sakuda, T. Mori, H. Toyota, Y. Kuno, S. B. Kim, B. S. Yang, H. Okazawa, Y. Choi, K. Nishijima, M. Koshiba, Y. Totsuka, M. Yokoyama, Y. Heng, S. Chen, H. Zhang, Z. Yang, P. Mijakowski, K. Connolly, M. Dziomba, R. J. Wilkes
  • University of California at Irvine
  • The University of Tokyo
  • Universidad Autónoma de Madrid
  • Boston University
  • California State University Dominguez Hills
  • Chonnam National University
  • Duke University
  • Fukuoka Institute of Technology
  • Gifu University
  • University of Hawai'i at Mānoa
  • High Energy Accelerator Research Organization, Tsukuba
  • Kobe University
  • Kyoto University
  • Miyagi University of Education
  • Nagoya University
  • Stony Brook University
  • Okayama University
  • The University of Osaka
  • Seoul National University
  • Shizuoka University of Welfare
  • Sungkyunkwan University
  • Tokai University
  • Tsinghua University
  • University of Warsaw
  • University of Washington

Research output: Contribution to journalArticlepeer-review

202 Scopus citations

Abstract

A new Super-Kamiokande search for supernova relic neutrinos was conducted using 2853 live days of data. Sensitivity is now greatly improved compared to the 2003 Super-Kamiokande result, which placed a flux limit near many theoretical predictions. This more detailed analysis includes a variety of improvements such as increased efficiency, a lower energy threshold, and an expanded data set. New combined upper limits on supernova relic neutrino flux are between 2.8 and 3.1ν ̄ecm -2s -1>16MeV total positron energy (17.3MeV E ν).

Original languageEnglish
Article number052007
JournalPhysical Review D - Particles, Fields, Gravitation and Cosmology
Volume85
Issue number5
DOIs
StatePublished - Mar 22 2012

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