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Estimation of semileptonic decays of B-c meson to S-wave charmonia with nonrelativistic QCD
Qiao, CF; Zhu, RL; Qiao, CF (reprint author), Univ Chinese Acad Sci, Dept Phys, YuQuan Rd 19A, Beijing 100049, Peoples R China.
2013
发表期刊PHYSICAL REVIEW D
ISSN1550-7998
卷号87期号:1页码:14009
摘要We 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
部门归属[Qiao, Cong-Feng; Zhu, Rui-Lin] Univ Chinese Acad Sci, Dept Phys, Beijing 100049, Peoples R China; [Qiao, Cong-Feng] Chinese Acad Sci, Kavli Inst Theoret Phys China, Beijing 100190, Peoples R China
关键词Form-factor Relations Sum-rules Heavy Transitions
学科领域Physics
资助者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] ; 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] ; National Natural Science Foundation of China (NSFC) [10935012, 10821063, 11175249] ; National Natural Science Foundation of China (NSFC) [10935012, 10821063, 11175249]
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收录类别SCI
语种英语
资助者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] ; 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] ; National Natural Science Foundation of China (NSFC) [10935012, 10821063, 11175249] ; National Natural Science Foundation of China (NSFC) [10935012, 10821063, 11175249]
WOS记录号WOS:000313333800004
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/15441
专题理论物理所SCI论文
通讯作者Qiao, CF (reprint author), Univ Chinese Acad Sci, Dept Phys, YuQuan Rd 19A, Beijing 100049, Peoples R China.
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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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