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A more precise extraction of |V-cb| in HQEFT of QCD
Wang, WY; Wu, YL; Yan, YA; Zhong, M; Zuo, YB; Wang, WY , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
2004
发表期刊MODERN PHYSICS LETTERS A
ISSN0217-7323
卷号19期号:18页码:1379-1390
摘要The more precise extraction for the CKM matrix element \V-cb\ in the heavy quark effective field theory (HQEFT) of QCD is studied from both exclusive and inclusive semileptonic B decays. The values of relevant nonperturbative parameters up to order 1/m(Q)(2) are estimated consistently in HQEFT of QCD. Using the most recent experimental data for B decay rates, \V-cb\ is updated to be \V-cb\ = 0.0395 +/- 0.0011(expt +/-) 0.0019(theor) from B --> D*lv decay and \V-cb\ = 0.0434 +/- 0.0041(expt) +/- 0.0020(theor) from B --> Dlv decay as well as \V-cb\ = 0.0394 +/- 0.0010(expt) +/- 0.0014(theor) from inclusive B --> X(c)lv decay.
部门归属Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Effective-field-theory Heavy-quark Form-factors Inclusive Decays B->c Transitions Sum-rules Hadrons Mesons
学科领域Physics
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收录类别SCI
WOS记录号WOS:000222103500005
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被引频次:2[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/311006/14061
专题理论物理所SCI论文
通讯作者Wang, WY , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
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Wang, WY,Wu, YL,Yan, YA,et al. A more precise extraction of |V-cb| in HQEFT of QCD[J]. MODERN PHYSICS LETTERS A,2004,19(18):1379-1390.
APA Wang, WY,Wu, YL,Yan, YA,Zhong, M,Zuo, YB,&Wang, WY , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(2004).A more precise extraction of |V-cb| in HQEFT of QCD.MODERN PHYSICS LETTERS A,19(18),1379-1390.
MLA Wang, WY,et al."A more precise extraction of |V-cb| in HQEFT of QCD".MODERN PHYSICS LETTERS A 19.18(2004):1379-1390.
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