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题名: Probing spectator scattering and annihilation corrections in B-s -> PV decays
作者: Chang, Q;  Hu, XH;  Sun, JF;  Yang, YL
刊名: PHYSICAL REVIEW D
出版日期: 2015
卷号: 91, 期号:7, 页码:74026
学科分类: Astronomy & Astrophysics ;  Physics
DOI: http://dx.doi.org/10.1103/PhysRevD.91.074026
通讯作者: Sun, JF (reprint author), Henan Normal Univ, Inst Particle & Nucl Phys, Xinxiang 453007, Peoples R China.
文章类型: Article
英文摘要: Motivated by the recent LHCb measurements on (B) over bar (s) -> (pi) over barK*(+) and (B) over bar (s) -> (KK)-K-+/-*(-/+) decay modes, we revisit the B-s -> PV decays within QCD factorization framework. The effects of hard-spectator scattering and annihilation corrections are studied in detail. After performing chi(2)-fit on the end-point parameters X-A(i,f) (rho(i,f)(A), phi(i,f)(A)) and X-H(rho(H),phi(H)) with available data, it is found that although some possible mismatches exist, the universalities of X-A(i,f) and X-H in B-s and B-u,B-d systems are still allowed within theoretical uncertainties and experimental errors. With the end-point parameters obtained from B-u,B-d -> PV decays, the numerical results and detailed analyses for the observables of (B) over bar (s) -> pi K*, rho K, pi rho, pi phi, and K phi decay modes are presented. In addition, we have identified a few useful observables, especially the ones of (B) over bar (s) -> pi(0)phi decay for instance, for probing hard-spectator scattering and annihilation contributions.
类目[WOS]: Astronomy & Astrophysics ;  Physics, Particles & Fields
关键词[WOS]: QCD FACTORIZATION ;  CP VIOLATION
收录类别: SCI
项目资助者: National Natural Science Foundation of China [11475055, 11275057, U1232101] ;  Foundation for the Author of National Excellent Doctoral Dissertation of P. R. China [201317] ;  Program for Science and Technology Innovation Talents in Universities of Henan Province [14HASTIT036]
语种: 英语
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/21024
Appears in Collections:理论物理所2015年知识产出_期刊论文

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Recommended Citation:
Chang, Q,Hu, XH,Sun, JF,et al. Probing spectator scattering and annihilation corrections in B-s -> PV decays[J]. PHYSICAL REVIEW D,2015,91(7):74026.
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