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Wang, WY; Wu, YL; Zhong, M; Wang, WY , Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China.
Heavy to light meson exclusive semileptonic decays in effective field theory of heavy quarks
发表期刊PHYSICAL REVIEW D
关键词Qcd Sum-rules Form-factor Ratios B-meson Particle Physics Wave-functions Vertical-bar Large Recoil Lattice Transitions Factorization
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.
2003
ISSN0556-2821
卷号67期号:1页码:-
学科领域Physics
收录类别SCI
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文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/13381
专题理论物理所科研产出_SCI论文
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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