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Perturbative QCD study of B-s decays to a pseudoscalar meson and a tensor meson
Qin Z(秦溱); Qin, Q; Yu X(余欣); 吕才典;Zou, ZT; Yu, X; Li, HN; Lu, CD
2014
发表期刊PHYSICS LETTERS B
卷号732页码:36-40
摘要We study two-body hadronic B-s -> PT decays, with P(T) being a light pseudoscalar (tensor) meson, in the perturbative QCD approach. The CP-averaged branching ratios and the direct CP asymmetries of the Delta S = 0 modes are predicted, where Delta S is the difference between the strange numbers of final and initial states. We also define and calculate experimental observables for the Delta S = 1 modes under the B-s(0)-(B) over bar (0)(s) mixing, including CP averaged branching ratios, time-integrated CP asymmetries, and the CP observables C-f, D-f and S-f. Results are compared to the B-s -> PV ones in the literature, and to the B -> PT ones, which indicate considerable U-spin symmetry breaking. Our work provides theoretical predictions for the B-s -> PT decays for the first time, some of which will be potentially measurable at future experiments. 0 2014 The Authors. Published by Elsevier B.V.
关键词B-s meson hadronic decays The PQCD factorization approach Branching ratios CP violation
学科领域Physics
DOI10.1016/j.physletb.2014.03.004
收录类别SCI
WOS记录号WOS:000335307900005
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被引频次:7[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/311005/225303
专题理论物理室
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GB/T 7714
Qin Z,Qin, Q,Yu X,et al. Perturbative QCD study of B-s decays to a pseudoscalar meson and a tensor meson[J]. PHYSICS LETTERS B,2014,732:36-40.
APA 秦溱.,Qin, Q.,余欣.,吕才典;Zou, ZT.,Yu, X.,...&Lu, CD.(2014).Perturbative QCD study of B-s decays to a pseudoscalar meson and a tensor meson.PHYSICS LETTERS B,732,36-40.
MLA 秦溱,et al."Perturbative QCD study of B-s decays to a pseudoscalar meson and a tensor meson".PHYSICS LETTERS B 732(2014):36-40.
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