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Qiao, CF; Zhu, RL; Qiao, CF (reprint author), Univ Chinese Acad Sci, Dept Phys, YuQuan Rd 19A, Beijing 100049, Peoples R China.
Estimation of semileptonic decays of B-c meson to S-wave charmonia with nonrelativistic QCD
Source PublicationPHYSICAL REVIEW D
Language英语
KeywordForm-factor Relations Sum-rules Heavy Transitions
AbstractWe study the semileptonic differential decay rates of the B-c meson to S-wave charmonia, eta(c), and J/Psi at next-to-leading order accuracy in the framework of nonrelativistic QCD. In the heavy quark limit, m(b) -> infinity, we obtain analytically the asymptotic expression for the ratio of the next-to-leading order form factor to the leading-order form factor. Numerical results show that the convergence of the ratio is perfect. At the maximum recoil region, we analyze the differential decay rates in detail with various input parameters and polarizations of J/Psi, which can now be checked in the LHCb experiment. Phenomenologically, the form factors are extrapolated to the minimal recoil region, and then the B-c-to-charmonium semileptonic decay rates are estimated. DOI: 10.1103/PhysRevD.87.014009
2013
ISSN1550-7998
Volume87Issue:1Pages:14009
Subject AreaPhysics
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China (NSFC) [10935012, 10821063, 11175249] ; National Natural Science Foundation of China (NSFC) [10935012, 10821063, 11175249] ; National Natural Science Foundation of China (NSFC) [10935012, 10821063, 11175249] ; National Natural Science Foundation of China (NSFC) [10935012, 10821063, 11175249]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15441
Collection理论物理所科研产出_SCI论文
Corresponding AuthorQiao, CF (reprint author), Univ Chinese Acad Sci, Dept Phys, YuQuan Rd 19A, Beijing 100049, Peoples R China.
Recommended Citation
GB/T 7714
Qiao, CF,Zhu, RL,Qiao, CF . Estimation of semileptonic decays of B-c meson to S-wave charmonia with nonrelativistic QCD[J]. PHYSICAL REVIEW D,2013,87(1):14009.
APA Qiao, CF,Zhu, RL,&Qiao, CF .(2013).Estimation of semileptonic decays of B-c meson to S-wave charmonia with nonrelativistic QCD.PHYSICAL REVIEW D,87(1),14009.
MLA Qiao, CF,et al."Estimation of semileptonic decays of B-c meson to S-wave charmonia with nonrelativistic QCD".PHYSICAL REVIEW D 87.1(2013):14009.
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