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First search for K-L -> pi(0)gamma
- Authors
- Shimizu, N.; Ahn, J. K.; Beckford, B.; Campbell, M.; Chen, S. H.; Choi, J. M.; Comfort, J.; Dona, K.; Farrington, M. S.; Hara, N.; Haraguchi, H.; Hsiung, Y. B.; Hutcheson, M.; Inagaki, T.; Isoe, M.; Kamiji, I; Kim, E. J.; Kim, J. L.; Kim, H. M.; Komatsubara, T. K.; Kotera, K.; Lee, J. W.; Lim, G. Y.; Lin, C.; Lin, Q. S.; Luo, Y.; Mari, T.; Matsumura, T.; Mcfarland, D.; McNeal, N. A.; Miyazaki, K.; Murayama, R.; Nakagiri, K.; Nanjo, H.; Nishimiya, H.; Noichi, Y.; Nomura, T.; Nunes, T.; Ohsugi, M.; Okuno, H.; Redeker, J. C.; Sato, K.; Sato, T.; Sato, Y.; Shimogawa, T.; Shinkawa, T.; Shinohara, S.; Shiomi, K.; Shiraishi, R.; Su, S.; Sugiyama, Y.; Suzuki, S.; Tajima, Y.; Taylor, M.; Tecchio, M.; Togawa, M.; Toyoda, T.; Tung, Y. C.; Vuong, Q. H.; Wah, Y. W.; Watanabe, H.; Yamanaka, T.; Yoshida, H. Y.
- Issue Date
- 28-9월-2020
- Publisher
- AMER PHYSICAL SOC
- Citation
- PHYSICAL REVIEW D, v.102, no.5
- Indexed
- SCOPUS
- Journal Title
- PHYSICAL REVIEW D
- Volume
- 102
- Number
- 5
- ISSN
- 1550-7998
- Abstract
- We report the first search for the K-L -> pi(0)gamma decay, which is forbidden by Lorentz invariance, using the data from 2016 to 2018 at the J-PARC KOTO experiment. With a single event sensitivity of (7.1 +/- 0.3(stat) +/- 1.6(syst)) x 10(-8), no candidate event was observed in the signal region. The upper limit on the branching fraction was set to be 1.7 x 10(-7) at the 90% confidence level.
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Collections - College of Science > Department of Physics > 1. Journal Articles
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