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オクノ ショウジ
Okuno Shoji 奥野 祥二 所属 神奈川大学 情報学部 システム数理学科 職種 助教 |
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言語種別 | 日本語 |
発行・発表の年月 | 2003/02 |
形態種別 | 学術雑誌 |
標題 | Measurement of Branching Fractions for B → ηc K(*) Decays |
執筆形態 | 共著 |
掲載誌名 | Phys. Rev. Lett. 90, 071801 (2003)(6pages) |
概要 | F. Fang, T. Hojo, S. Okuno, et al. [Belle Collaboration] , We report measurements of branching fractions for charged and neutral B → ηc K decays where the etac meson is reconstructed in the KS0K±π∓, K+K-π0, K*0K-π+, and p{p} decay channels. The neutral B0 channel is a CP eigenstate and can be used to measure the CP violation parameter §in 2φ1. We also report the first observation of the B0 → ηc K*0 mode. The results are based on an analysis of 29.1 fb-1 of data collected by the Belle detector at KEKB. |