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Measurements of the solar neutrino flux from super-kamiokande’s first 300 days

  • Y. Fukuda
  • , T. Hayakawa
  • , E. Ichihara
  • , K. Inoue
  • , K. Ishihara
  • , H. Ishino
  • , Y. Itow
  • , T. Kajita
  • , J. Kameda
  • , S. Kasuga
  • , K. Kobayashi
  • , Y. Kobayashi
  • , Y. Koshio
  • , K. Martens
  • , M. Miura
  • , M. Nakahata
  • , S. Nakayama
  • , A. Okada
  • , M. Oketa
  • , K. Okumura
  • M. Ota, N. Sakurai, M. Shiozawa, Y. Suzuki, Y. Takeuchi, Y. Totsuka, S. Yamada, M. Earl, A. Habig, J. T. Hong, E. Kearns, S. B. Kim, M. Masuzawa, M. D. Messier, K. Scholberg, J. L. Stone, L. R. Sulak, C. W. Walter, M. Goldhaber, T. Barszczak, W. Gajewski, P. G. Halverson, J. Hsu, W. R. Kropp, L. R. Price, F. Reines, H. W. Sobel, M. R. Vagins, K. S. Ganezer, W. E. Keig, R. W. Ellsworth, S. Tasaka, J. W. Flanagan, A. Kibayashi, J. G. Learned, S. Matsuno, V. Stenger, D. Takemori, T. Ishii, J. Kanzaki, T. Kobayashi, K. Nakamura, K. Nishikawa, Y. Oyama, A. Sakai, M. Sakuda, O. Sasaki, S. Echigo, M. Kohama, A. T. Suzuki, T. J. Haines, E. Blaufuss, R. Sanford, R. Svoboda, M. L. Chen, Z. Conner, J. A. Goodman, G. W. Sullivan, M. Mori, J. Hill, C. K. Jung, C. Mauger, C. Mc Grew, E. Sharkey, B. Viren, C. Yanagisawa, W. Doki, T. Ishizuka, Y. Kitaguchi, H. Koga, K. Miyano, H. Okazawa, C. Saji, M. Takahata, A. Kusano, Y. Nagashima, M. Takita, T. Yamaguchi, M. Yoshida, M. Etoh, K. Fujita, A. Hasegawa, T. Hasegawa, S. Hatakeyama, T. Iwamoto, T. Kinebuchi, M. Koga, T. Maruyama, H. Ogawa, A. Suzuki, F. Tsushima, M. Koshiba, M. Nemoto, K. Nishijima, T. Futagami, Y. Hayato, Y. Kanaya, K. Kaneyuki, Y. Watanabe, D. Kielczewska, R. Doyle, J. George, A. Stachyra, L. Wai, J. Wilkes, K. Young
  • The University of Tokyo
  • Boston University
  • Seoul National University
  • High Energy Accelerator Research Organization, Accelerator Laboratory
  • Brookhaven National Laboratory
  • University of California at Irvine
  • National Aeronautics and Space Administration
  • California State University Dominguez Hills
  • George Mason University
  • Gifu University
  • University of Hawai'i at Mānoa
  • High Energy Accelerator Research Organization, Institute of Particle and Nuclear Physics
  • Kobe University
  • Los Alamos National Laboratory
  • Louisiana State University
  • University of Maryland, College Park
  • The University of Chicago
  • Miyagi University of Education
  • Stony Brook University
  • Niigata University
  • Shizuoka University
  • The University of Osaka
  • Tohoku University
  • Tokai University
  • Institute of Science Tokyo
  • University of Warsaw
  • University of Washington

Research output: Contribution to journalArticlepeer-review

665 Scopus citations

Abstract

The first results of the solar neutrino flux measurement from Super-Kamiokande are presented. The results shown here are obtained from data taken between 31 May 1996, and 23 June 1997. Using our measurement of recoil electrons with energies above 6.5 MeV, we infer the total flux of 8B solar neutrinos to be 2.42±0.06(stat)+0.10-0.07(syst)×106cm-2s-1. This result is consistent with the Kamiokande measurement and is 36% of the flux predicted by the BP95 solar model. The flux is also measured in 1.5 month subsets and shown to be consistent with a constant rate.

Original languageEnglish
Pages (from-to)1158-1162
Number of pages5
JournalPhysical Review Letters
Volume81
Issue number6
DOIs
StatePublished - 1998

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