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Heavy to light meson exclusive semileptonic decays in effective field theory of heavy quarks
Wang, WY; Wu, YL; Zhong, M; Wang, WY , Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China.
2003
发表期刊PHYSICAL REVIEW D
ISSN0556-2821
卷号67期号:1页码:-
摘要We present a general study of exclusive semileptonic decays of heavy (B,D,B-s) to light (pi,rho,K,K-*) mesons in the framework of the effective field theory of heavy quarks. The transition matrix elements of these decays can be systematically characterized by a set of wave functions which are independent of the heavy quark mass except for the implicit scale dependence. Form factors for all these decays are calculated consistently within the effective theory framework using the light cone sum rule method at the leading order of the 1/m(Q) expansion. The branching ratios of these decays are evaluated, and the heavy and light flavor symmetry breaking effects are investigated. We also give a comparison of our results and the predictions from other approaches, among which are the relations proposed recently in the framework of large energy effective theory.
部门归属Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Qcd Sum-rules Form-factor Ratios B-meson Particle Physics Wave-functions Vertical-bar Large Recoil Lattice Transitions Factorization
学科领域Physics
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收录类别SCI
WOS记录号WOS:000180918100045
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被引频次:23[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13381
专题理论物理所1978-2010年知识产出
通讯作者Wang, WY , Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China.
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Wang, WY,Wu, YL,Zhong, M,et al. Heavy to light meson exclusive semileptonic decays in effective field theory of heavy quarks[J]. PHYSICAL REVIEW D,2003,67(1):-.
APA Wang, WY,Wu, YL,Zhong, M,&Wang, WY , Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China..(2003).Heavy to light meson exclusive semileptonic decays in effective field theory of heavy quarks.PHYSICAL REVIEW D,67(1),-.
MLA Wang, WY,et al."Heavy to light meson exclusive semileptonic decays in effective field theory of heavy quarks".PHYSICAL REVIEW D 67.1(2003):-.
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