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Revisiting the B -> pi rho, pi omega decays in the perturbative QCD approach beyond the leading order
Zhou R(周锐); Gao XD(高祥东); 吕才典;Rui, Z; Gao, X; Lu, CD
2012
发表期刊EUROPEAN PHYSICAL JOURNAL C
卷号72期号:3页码:1923
摘要We calculate the branching ratios and CP asymmetries of the B -> pi rho, pi omega decays in the perturbative QCD factorization approach up to the next-to-leading-order contributions. We find that the next-to-leading-order contributions can interfere with the leading-order part constructively or destructively for different decay modes. Our numerical results have a much better agreement with current available data than previous leading-order calculations, e. g., the next-to-leading-order corrections enhance the B-0 -> pi(0)rho(0) branching ratios by a factor 2.5, which is helpful to narrow the gaps between theoretic predictions and experimental data. We also update the direct CP-violation parameters, the mixing-induced CP-violation parameters of these modes, which show a better agreement with experimental data than many of the other approaches.
学科领域Physics
DOI10.1140/epjc/s10052-012-1923-3
收录类别SCI
WOS记录号WOS:000302540000037
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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/311005/224452
专题理论物理室
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Zhou R,Gao XD,吕才典;Rui, Z,et al. Revisiting the B -> pi rho, pi omega decays in the perturbative QCD approach beyond the leading order[J]. EUROPEAN PHYSICAL JOURNAL C,2012,72(3):1923.
APA 周锐,高祥东,吕才典;Rui, Z,Gao, X,&Lu, CD.(2012).Revisiting the B -> pi rho, pi omega decays in the perturbative QCD approach beyond the leading order.EUROPEAN PHYSICAL JOURNAL C,72(3),1923.
MLA 周锐,et al."Revisiting the B -> pi rho, pi omega decays in the perturbative QCD approach beyond the leading order".EUROPEAN PHYSICAL JOURNAL C 72.3(2012):1923.
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