Measurement of the (B)over-bar -> X-s gamma branching fraction with a sum of exclusive decays
Belle Collaboration
刊名PHYSICAL REVIEW D
2015
卷号91期号:5页码:52004
学科分类Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.91.052004
文章类型Article
英文摘要We use 772 x 10(6) B (B) over bar meson pairs collected at the gamma(4S) resonance with the Belle detector to measure the branching fraction for (B) over bar -> X-s gamma Our measurement uses a sum-of-exclusives approach in which 38 of the hadronic final states with strangeness equal to +1, denoted by X-s, are reconstructed. The inclusive branching fraction for M-Xs < 2.8 GeV/c(2), which corresponds to a minimum photon energy of 1.9 GeV, is measured to be B(<(B)over bar> -> X-s gamma) = (3.51 +/- 0.17 +/- 0.33) x 10(-4), where the first uncertainty is statistical and the second is systematic.
类目[WOS]Astronomy & Astrophysics ; Physics, Particles & Fields
收录类别SCI
WOS记录号WOS:000350601200001
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被引频次:16[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.ihep.ac.cn/handle/311005/228241
专题中国科学院高能物理研究所_实验物理中心_期刊论文
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Belle Collaboration. Measurement of the (B)over-bar -> X-s gamma branching fraction with a sum of exclusive decays[J]. PHYSICAL REVIEW D,2015,91(5):52004.
APA Belle Collaboration.(2015).Measurement of the (B)over-bar -> X-s gamma branching fraction with a sum of exclusive decays.PHYSICAL REVIEW D,91(5),52004.
MLA Belle Collaboration."Measurement of the (B)over-bar -> X-s gamma branching fraction with a sum of exclusive decays".PHYSICAL REVIEW D 91.5(2015):52004.
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