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Charmless B-s -> PP, PV, VV decays based on the six-quark effective Hamiltonian with strong phase effects II
Su, F; Wu, YL; 杨一玻; Yang, YB; Zhuang, C
2012
发表期刊EUROPEAN PHYSICAL JOURNAL C
卷号72期号:3页码:1914
摘要We provide a systematic study of charmless B-s -> PP, PV, VV decays (P and V denote pseudoscalar and vector mesons, respectively) based on an approximate six-quark operator effective Hamiltonian from QCD. The calculation of the relevant hard-scattering kernels is carried out, the resulting transition form factors are consistent with the results of QCD sum-rule calculations. By taking into account important classes of power corrections involving "chirally enhanced" terms and the vertex corrections as well as weak annihilation contributions with non-trivial strong phase, we present predictions for the branching ratios and CP asymmetries of B-s decays into PP, PV and VV final states, and also for the corresponding polarization observables in VV final states. It is found that the weak annihilation contributions with non-trivial strong phase have remarkable effects on the observables in the color-suppressed and penguin-dominated decay modes. In addition, we discuss the SU(3) flavor symmetry and show that the symmetry relations are generally respected.
学科领域Physics
DOI10.1140/epjc/s10052-012-1914-4
收录类别SCI
WOS记录号WOS:000302540000046
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被引频次:6[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/311005/224449
专题理论物理室
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Su, F,Wu, YL,杨一玻; Yang, YB,et al. Charmless B-s -> PP, PV, VV decays based on the six-quark effective Hamiltonian with strong phase effects II[J]. EUROPEAN PHYSICAL JOURNAL C,2012,72(3):1914.
APA Su, F,Wu, YL,杨一玻; Yang, YB,&Zhuang, C.(2012).Charmless B-s -> PP, PV, VV decays based on the six-quark effective Hamiltonian with strong phase effects II.EUROPEAN PHYSICAL JOURNAL C,72(3),1914.
MLA Su, F,et al."Charmless B-s -> PP, PV, VV decays based on the six-quark effective Hamiltonian with strong phase effects II".EUROPEAN PHYSICAL JOURNAL C 72.3(2012):1914.
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