Branching fraction measurements of B+->rho(+)gamma, B-0 ->rho(0)gamma, and B-0 ->omega gamma
BABAR Collaboration
刊名PHYSICAL REVIEW LETTERS
2007
卷号98期号:15页码:151802
学科分类Physics
DOI10.1103/PhysRevLett.98.151802
通讯作者Aubert, B (reprint author), CNRS, IN2P3, Phys Particules Lab, F-74941 Annecy Le Vieux, France.
文章类型Article
英文摘要We present a study of the decays B+->rho(+)gamma, B-0 ->rho(0)gamma, and B-0 ->omega gamma. The analysis is based on data containing 347x10(6) B (B) over bar events recorded with the BABAR detector at the PEP-II asymmetric B factory. We measure the branching fractions B(B+->rho(+)gamma)=(1.10(-0.33)(+0.37)+/- 0.09)x10(-6) and B(B-0 ->rho(0)gamma)=(0.79(-0.20)(+0.22)+/- 0.06)x10(-6), and set a 90% C.L. upper limit B(B-0 ->omega gamma)< 0.78x10(-6). We also measure the isospin-averaged branching fraction B(B ->(rho/omega)gamma)=(1.25(-0.24)(+0.25)+/- 0.09)x10(-6), from which we determine vertical bar V-td/V-ts vertical bar=0.200(-0.020)(+0.021)+/- 0.015, where the first uncertainty is experimental and the second is theoretical.
类目[WOS]Physics, Multidisciplinary
收录类别SCI
WOS记录号WOS:000245691400015
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被引频次:24[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/311005/227972
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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BABAR Collaboration. Branching fraction measurements of B+->rho(+)gamma, B-0 ->rho(0)gamma, and B-0 ->omega gamma[J]. PHYSICAL REVIEW LETTERS,2007,98(15):151802.
APA BABAR Collaboration.(2007).Branching fraction measurements of B+->rho(+)gamma, B-0 ->rho(0)gamma, and B-0 ->omega gamma.PHYSICAL REVIEW LETTERS,98(15),151802.
MLA BABAR Collaboration."Branching fraction measurements of B+->rho(+)gamma, B-0 ->rho(0)gamma, and B-0 ->omega gamma".PHYSICAL REVIEW LETTERS 98.15(2007):151802.
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