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A measurement of the branching fraction for the inclusive B → Xsγ decays with the Belle detector
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A measurement of the branching fraction for the inclusive B → Xsγ decays with the Belle detector

K. Abe, I. Adachi, Byoung Sup Ahn, H. Aihara, M. Akatsu, G. Alimonti, K. Aoki, K. Asai, Y. Asano, T. Aso, …
Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 卷.511(2-4), 頁碼.151-158
07/2001

摘要

Nuclear and High Energy Physics
We have measured the branching fraction of the inclusive radiative B meson decay B → X s γ to be Br(B → X s γ) = (3.36 ± 0.53(stat) ± 0.42(sys) -0.54 +0.54 (th)) × 10 -4 . The result is based on a sample of 6.07 × 10 6 B B̄ events collected at the γ(4S) resonance with the Belle detector at the KEKB asymmetric e + e - storage ring. © 2001 Elsevier Science B.V.

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