Search for the rare decays KL0e and KL0ee

T. Akagi; R. Fukuhisa; Y. Hemmi; T. Inagaki; K. Ishikawa; T. Kishida; M. Kobayashi; T. K. Komatsubara; M. Kuze; F. Sai; T. Sato; T. Shinkawa; F. Suekane; K. Takamatsu; J. Toyoura; S. S. Yamamoto; Y. Yoshimura

doi:10.1103/PhysRevLett.67.2614

Search for the rare decays KL0e and KL0ee

T. Akagi, R. Fukuhisa, Y. Hemmi, T. Inagaki, K. Ishikawa, T. Kishida, M. Kobayashi, T. K. Komatsubara, M. Kuze, F. Sai, T. Sato, T. Shinkawa, F. Suekane, K. Takamatsu, J. Toyoura, S. S. Yamamoto, Y. Yoshimura

Research Center for Neutrino Science (RCNS)

Research output: Contribution to journal › Article › peer-review

19 Citations (Scopus)

Abstract

A search for the rare decays KL0e and KL0ee was performed at the KEK 12-GeV Proton Synchrotron. No event was observed in the fiducial region for the decay KL0e. There was one event in the fiducial region for the decay KL0ee, which was indistinguishable from the background. The upper limits on the branching ratios at 90% confidence level were B(KL0e)<9.4×10-11 and B(KL0ee)<1. 6×10-10.

Original language	English
Pages (from-to)	2614-2617
Number of pages	4
Journal	Physical Review Letters
Volume	67
Issue number	19
DOIs	https://doi.org/10.1103/PhysRevLett.67.2614
Publication status	Published - 1991 Jan 1

ASJC Scopus subject areas

Physics and Astronomy(all)

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10.1103/PhysRevLett.67.2614

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Search for the rare decays KL0e and KL0ee. / Akagi, T.; Fukuhisa, R.; Hemmi, Y.; Inagaki, T.; Ishikawa, K.; Kishida, T.; Kobayashi, M.; Komatsubara, T. K.; Kuze, M.; Sai, F.; Sato, T.; Shinkawa, T.; Suekane, F.; Takamatsu, K.; Toyoura, J.; Yamamoto, S. S.; Yoshimura, Y.

In: Physical Review Letters, Vol. 67, No. 19, 01.01.1991, p. 2614-2617.

Research output: Contribution to journal › Article › peer-review

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title = "Search for the rare decays KL0e and KL0ee",

abstract = "A search for the rare decays KL0e and KL0ee was performed at the KEK 12-GeV Proton Synchrotron. No event was observed in the fiducial region for the decay KL0e. There was one event in the fiducial region for the decay KL0ee, which was indistinguishable from the background. The upper limits on the branching ratios at 90% confidence level were B(KL0e)<9.4×10-11 and B(KL0ee)<1. 6×10-10.",

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AU - Akagi, T.

AU - Fukuhisa, R.

AU - Hemmi, Y.

AU - Inagaki, T.

AU - Ishikawa, K.

AU - Kishida, T.

AU - Kobayashi, M.

AU - Komatsubara, T. K.

AU - Kuze, M.

AU - Sai, F.

AU - Sato, T.

AU - Shinkawa, T.

AU - Suekane, F.

AU - Takamatsu, K.

AU - Toyoura, J.

AU - Yamamoto, S. S.

AU - Yoshimura, Y.

PY - 1991/1/1

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AB - A search for the rare decays KL0e and KL0ee was performed at the KEK 12-GeV Proton Synchrotron. No event was observed in the fiducial region for the decay KL0e. There was one event in the fiducial region for the decay KL0ee, which was indistinguishable from the background. The upper limits on the branching ratios at 90% confidence level were B(KL0e)<9.4×10-11 and B(KL0ee)<1. 6×10-10.

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Search for the rare decays KL0e and KL0ee

Abstract

ASJC Scopus subject areas

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