Study of neutron background in the atmospheric neutrino sample in Kamiokande

Y. Fukuda, T. Hayakawa, K. Inoue, K. Ishihara, H. Ishino, S. Joukou, T. Kajita, S. Kasuga, Y. Koshio, T. Kumita, K. Matsumoto, M. Nakahata, K. Nakamura, K. Okumura, A. Sakai, M. Shiozawa, J. Suzuki, Y. Suzuki, T. Tomoeda, Y. TotsukaK. S. Hirata, K. Kihara, Y. Oyama, M. Koshiba, T. Horiuchi, K. Nishijima, K. Fujita, S. Hatakeyama, M. Koga, T. Maruyama, A. Suzuki, M. Mori, T. Suda, A. T. Suzuki, T. Ishizuka, K. Miyano, H. Okazawa, T. Hara, Y. Nagashima, M. Takita, T. Yamaguchi, Y. Hayato, K. Kaneyuki, T. Suzuki, Y. Takeuchi, T. Tanimori, S. Tasaka, E. Ichihara, S. Miyamoto, K. Nishikawa

Research output: Contribution to journalArticlepeer-review

16 Citations (Scopus)

Abstract

Neutron background in the atmospheric neutrino sample was studied based on the vertex position distribution of the fully contained π0 events. No evidence for the background contamination was observed. The neutron contamination in the sub-GeV e-like sample was less than 1.2% at 90% C.L.

Original languageEnglish
Pages (from-to)397-401
Number of pages5
JournalPhysics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics
Volume388
Issue number2
DOIs
Publication statusPublished - 1996 Nov 14

ASJC Scopus subject areas

  • Nuclear and High Energy Physics

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