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Zhong, M; Wu, YL; Wang, WY; Zhong, M , Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China.
Exclusive B meson rare decays and general relations of form factors in effective field theory of heavy quarks
Source PublicationINTERNATIONAL JOURNAL OF MODERN PHYSICS A
KeywordQcd Sum-rules To-light Transitions Large Recoil Wave-functions Vertical-bar Cone Qcd B->kl(+)l(-) B->k-asterisk-l(+)l(-) Predictions Limit
AbstractB meson rare decays (B --> K(K-*)ll and B --> K(*)gamma) are analyzed in the framework of effective field theory of heavy quarks. The semileptonic and penguin type form factors for these decays are calculated by using the light cone sum rules method at the leading order of 1/m(Q) expansion. Four exact relations between the two types of form factors are obtained at the leading order of 1/mQ expansion. In particular, the relations are found to hold for the whole momentum transfer region. We also investigate the validity of the relations resulting from the large energy effective theory based on the general relations obtained in the present approach. The branching ratios of the rare decays are presented and their potential importance for extracting the CKM matrix elements and probing new physics is emphasized.
2003
ISSN0217-751X
Volume18Issue:11Pages:1959-1989
Subject AreaPhysics
Indexed BySCI
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Cited Times:18[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/13317
Collection理论物理所科研产出_SCI论文
Corresponding AuthorZhong, M , Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China.
Recommended Citation
GB/T 7714
Zhong, M,Wu, YL,Wang, WY,et al. Exclusive B meson rare decays and general relations of form factors in effective field theory of heavy quarks[J]. INTERNATIONAL JOURNAL OF MODERN PHYSICS A,2003,18(11):1959-1989.
APA Zhong, M,Wu, YL,Wang, WY,&Zhong, M , Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China..(2003).Exclusive B meson rare decays and general relations of form factors in effective field theory of heavy quarks.INTERNATIONAL JOURNAL OF MODERN PHYSICS A,18(11),1959-1989.
MLA Zhong, M,et al."Exclusive B meson rare decays and general relations of form factors in effective field theory of heavy quarks".INTERNATIONAL JOURNAL OF MODERN PHYSICS A 18.11(2003):1959-1989.
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