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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 | 2002/08 |
形態種別 | 学術雑誌 |
標題 | Measurement of the Oscillation Frequency for B0-{B}0 Mixing using Hadronic {-B}0 Decays |
執筆形態 | 共著 |
掲載誌名 | Phys.Lett.B542(2002) |
巻・号・頁 | 207-215頁 |
概要 | T.Tomura,S.Okuno,et al.[Belle Collaboration],The oscillation frequency of B0-{B}0 mixing (δmd) has been measured using 29.1 fb-1 of datacollected with the Belle detector at KEKB. This measurement is made through the distributions of the proper decay time difference of B pairs in events tagged as same- and opposite-flavor decays. In each event, one B is fully reconstructed in a flavor-specific hadronic decay mode, while the flavor of the other is extracted through a likelihood calculated from the b-flavor information carried in its final decay products. We obtain δmd=(0.528±0.017±0.011)ps-1, where the first error is statistical and the second error is systematic. |