Measurement of the decays B-s(0) -> J/psi phi(1020), B-s(0) -> J/psi f(2)'(1525) and B-s(0) -> J/psi K+K- at Belle
Belle Collaboration
刊名PHYSICAL REVIEW D
2013
卷号88期号:11
学科分类Astronomy & Astrophysics; Physics
DOI10.1103/PhysRevD.88.114006
通讯作者Thorne, F (reprint author), Inst High Energy Phys, A-1050 Vienna, Austria.
英文摘要We report a measurement of the branching fraction of the decay B-s(0) -> J/psi phi(1020), evidence and a branching fraction measurement for B-s(0) -> J/psi f(2)'(1525), and the determination of the total B-s(0) -> J/psi K+K- branching fraction, including the resonant and nonresonant contributions to the K+K- channel. We also determine the S-wave contribution within the phi(1020) mass region. The absolute branching fractions are B[B-s(0) -> J/psi phi(1020)] = (1.25 +/- 0.07(stat) +/- 0.08(syst) +/- 0.22(f(s))) x 10(-3), B[B-s(0) -> J/psi f(2)'(1525)] = (0.26 +/- 0.06(stat) +/- 0.02(syst) +/- 0.05(f(s))) x 10(-3), and B[B-s(0) -> J/psi K+K-] = (1.01 +/- 0.09(stat) +/- 0.10(syst) +/- 0.18(f(s))) x 10(-3), where the last systematic error is due to the branching fraction of b (b) over bar -> B-s(()*()) B-s(()*()). The branching fraction ratio is found to be B[B-s(0) -> J/psi f(2)'(1525)]/B[B-s(0) -> J/psi phi(1020)] = (21.5 +/- 4.9(stat) +/- 2.6(syst))%. All results are based on a 121. 4 fb(-1) data sample collected at the Upsilon(5S) resonance by the Belle experiment at the KEKB asymmetric-energy e(+)e(-) collider.
类目[WOS]Astronomy & Astrophysics ; Physics, Particles & Fields
收录类别SCI
语种英语
WOS记录号WOS:000328583800006
引用统计
被引频次:4[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/311005/213638
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
推荐引用方式
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Belle Collaboration. Measurement of the decays B-s(0) -> J/psi phi(1020), B-s(0) -> J/psi f(2)'(1525) and B-s(0) -> J/psi K+K- at Belle[J]. PHYSICAL REVIEW D,2013,88(11).
APA Belle Collaboration.(2013).Measurement of the decays B-s(0) -> J/psi phi(1020), B-s(0) -> J/psi f(2)'(1525) and B-s(0) -> J/psi K+K- at Belle.PHYSICAL REVIEW D,88(11).
MLA Belle Collaboration."Measurement of the decays B-s(0) -> J/psi phi(1020), B-s(0) -> J/psi f(2)'(1525) and B-s(0) -> J/psi K+K- at Belle".PHYSICAL REVIEW D 88.11(2013).
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