A limit on massive neutrino dark matter from Kamiokande

M. Mori, K. Hikasa, M. M. Nojiri, Y. Oyama, A. Suzuki, K. Takahashi, M. Yamada, H. Takei, K. Miyano, H. Miyata, K. S. Hirata, K. Inoue, T. Ishida, T. Kajita, K. Kihara, M. Nakahata, K. Nakamura, A. Sakai, N. Sato, Y. SuzukiY. Totsuka, M. Koshiba, K. Nishijima, T. Kajimura, T. Suda, Y. Fukuda, E. Kodera, Y. Nagashima, M. Takita, H. Yokoyama, K. Kaneyuki, Y. Takeuchi, T. Tanimori, E. W. Beier, E. D. Frank, W. Frati, S. B. Kim, A. K. Mann, F. M. Newcomer, R. Van Berg, W. Zhang

Research output: Contribution to journalArticlepeer-review

39 Citations (Scopus)


We have searched for possible high-energy neutrino signals expected from massive neutrino dark matter captured by the earth and the sun, by making use of upward-going muon samples collected in the seven years of operation of the Kamiokande detector. No excess of events was found from the earth or the sun, thus giving an excluded mass range of Dirac-(Majorana-) type neutrinos, 6 (24) ≤mν≤ several hundred GeV, as the dark matter which consitutes the halo of the galaxy. The upper bounds extend to a mass range never before analyzed in previous indirect searches.

Original languageEnglish
Pages (from-to)463-469
Number of pages7
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Issue number3-4
Publication statusPublished - 1992 Sept 10


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