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

研究成果: ジャーナルへの寄稿学術論文査読

39 被引用数 (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.

ジャーナルPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
出版ステータス出版済み - 1992 9月 10


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