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Measurement of the relative width difference of the B-0-(B)over-bar(0) system with the ATLAS detector
ATLAS Collaboration
2016
发表期刊JOURNAL OF HIGH ENERGY PHYSICS
期号6
摘要This paper presents the measurement of the relative width difference Delta Gamma(d)/Gamma(d) of the B-0-(B) over bar (0) system using the data collected by the Lambda TLAS experiment at the LHC in pp collisions at root s = 7 TeV and root s= 8 TeV and corresponding to an integrated luminosity of 25.2 fb(-1). The value of Delta Gamma(d)/Gamma(d) is obtained by comparing the decay-time distributions of B-0 -> J/Psi K-S and (B) over bar (0) -> J/Psi K*(0)(892) decays. The result is Delta Gamma(d)/Gamma(d) = (-0.1 +/- 1.1 (stat.) +/- 0.9 (syst.)) x 10(-2). Currently, this is the most precise single measurement of AFd/Fd. It agrees with the Standard Model prediction and the measurements by other experiments.
文章类型Article
关键词B physics Hadron-Hadron scattering (experiments)
DOI10.1007/JHEP06(2016)081
语种英语
WOS记录号WOS:000379177900001
引用统计
被引频次:1[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/311005/260895
专题实验物理中心
作者单位中国科学院高能物理研究所
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ATLAS Collaboration. Measurement of the relative width difference of the B-0-(B)over-bar(0) system with the ATLAS detector[J]. JOURNAL OF HIGH ENERGY PHYSICS,2016(6).
APA ATLAS Collaboration.(2016).Measurement of the relative width difference of the B-0-(B)over-bar(0) system with the ATLAS detector.JOURNAL OF HIGH ENERGY PHYSICS(6).
MLA ATLAS Collaboration."Measurement of the relative width difference of the B-0-(B)over-bar(0) system with the ATLAS detector".JOURNAL OF HIGH ENERGY PHYSICS .6(2016).
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