Angular analysis of B-0 -> phi K* decays and search for CP violation at Belle
Belle Collaboration
刊名PHYSICAL REVIEW D
2013
卷号88期号:7
关键词DETECTOR SCATTERING PACKAGE
学科分类Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.88.072004
通讯作者Prim, M (reprint author), Karlsruhe Inst Technol, Inst Expt Kernphys, D-76131 Karlsruhe, Germany.
英文摘要We report the measurements of branching fractions and CP violation asymmetries in B-0 -> phi K* decays obtained in an angular analysis using the full data sample of 772 x 10(6) B (B) over bar pairs collected at the Upsilon(4S) resonance with the Belle detector at the KEKB asymmetric-energy e(+)e(-) collider. We perform a partial wave analysis to distinguish among scalar [B-0 -> phi(K pi)(0)*], vector [B-0 -> phi K*(892)(0)] and tensor [B-0 -> phi K-2*(1430)(0)] components, and determine the corresponding branching fractions to be B[B-0 -> phi(K pi)(0)*] = (4.3 +/- 0.4 +/- 0.4) x 10(-6), B[B-0 -> phi K*(892)(0)] = (10.4 +/- 0.5 +/- 0.6) x 10(-6) and B[B-0 -> phi K-2*(1430)(0)] = (5.5(-0.7)(+0.9) +/- 1.0) x 10(-6). We also measure the longitudinal polarization fraction f(L) in B-0 -> phi K*(892)(0) and B-0 -> phi K-2*(1430)(0) decays to be 0.499 +/- 0.030 +/- 0.018 and 0.918(-0.060)(-0.029) +/- 0.012, respectively. The first quoted uncertainties are statistical and the second are systematic. In total, we measure 26 parameters related to branching fractions, polarization and CP violation in the B-0 -> phi K* system. No evidence for CP violation is found.
类目[WOS]Astronomy & Astrophysics ; Physics, Particles & Fields
收录类别SCI
语种英语
WOS记录号WOS:000326039300004
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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/311005/213612
专题中国科学院高能物理研究所_实验物理中心_期刊论文
作者单位中国科学院高能物理研究所
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Belle Collaboration. Angular analysis of B-0 -> phi K* decays and search for CP violation at Belle[J]. PHYSICAL REVIEW D,2013,88(7).
APA Belle Collaboration.(2013).Angular analysis of B-0 -> phi K* decays and search for CP violation at Belle.PHYSICAL REVIEW D,88(7).
MLA Belle Collaboration."Angular analysis of B-0 -> phi K* decays and search for CP violation at Belle".PHYSICAL REVIEW D 88.7(2013).
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