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Exclusive B meson rare decays and general relations of form factors in effective field theory of heavy quarks
Zhong, M; Wu, YL; Wang, WY; Zhong, M , Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China.
2003
发表期刊INTERNATIONAL JOURNAL OF MODERN PHYSICS A
ISSN0217-751X
卷号18期号:11页码:1959-1989
摘要B 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.
部门归属Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China; Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China
关键词Qcd Sum-rules To-light Transitions Large Recoil Wave-functions Vertical-bar Cone Qcd B->kl(+)l(-) B->k-asterisk-l(+)l(-) Predictions Limit
学科领域Physics
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收录类别SCI
WOS记录号WOS:000182691900005
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被引频次:18[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/311006/13317
专题理论物理所1978-2010年知识产出
通讯作者Zhong, M , Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China.
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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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