Study of the rare decays of B-s(0) and B-0 into muon pairs from data collected during the LHC Run 1 with the ATLAS detector
ATLAS Collaboration
刊名EUROPEAN PHYSICAL JOURNAL C
2016
卷号76期号:9
DOI10.1140/epjc/s10052-016-4338-8
文章类型Article
英文摘要A study of the decays B-s(0) -> mu(+)mu(-) and B-0 -> mu(+)mu(-) has been performed using data corresponding to an integrated luminosity of 25 fb(-1) of 7 and 8 TeV proton-proton collisions collected with the ATLAS detector during the LHC Run 1. For the B-0 dimuon decay, an upper limit on the branching fraction is set at B(B-0 -> mu(+)mu(-)) < 4.2 x 10(-10) at 95% confidence level. For B-s(0), the branching fraction B(B-s(0) -> mu(+)mu(-)) = (0.9(-0.8)(+1.1)) x 10(-9) is measured. The results are consistent with the Standard Model expectation with a p value of 4.8%, corresponding to 2.0 standard deviations.
关键词[WOS]MINIMAL FLAVOR VIOLATION ; MODELS ; MU(+)
语种英语
WOS记录号WOS:000389594800001
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被引频次:15[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/311005/260931
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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ATLAS Collaboration. Study of the rare decays of B-s(0) and B-0 into muon pairs from data collected during the LHC Run 1 with the ATLAS detector[J]. EUROPEAN PHYSICAL JOURNAL C,2016,76(9).
APA ATLAS Collaboration.(2016).Study of the rare decays of B-s(0) and B-0 into muon pairs from data collected during the LHC Run 1 with the ATLAS detector.EUROPEAN PHYSICAL JOURNAL C,76(9).
MLA ATLAS Collaboration."Study of the rare decays of B-s(0) and B-0 into muon pairs from data collected during the LHC Run 1 with the ATLAS detector".EUROPEAN PHYSICAL JOURNAL C 76.9(2016).
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