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题名: B ->rho l nu decay and vertical bar V-ub vertical bar
作者: Wang, WY ;  Wu, YL
刊名: PHYSICS LETTERS B
出版日期: 2001
卷号: 519, 期号:40972, 页码:219-228
关键词: QUARK EFFECTIVE THEORY ;  PION FORM-FACTOR ;  SUM-RULES ;  QCD ;  TRANSITIONS
学科分类: Physics
通讯作者: Wang, WY , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.
部门归属: Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: B --> rho/nu decay is analyzed in the effective theory of heavy quark with infinite mass limit. The matrix element relevant to the heavy to light vector meson semileptonic decays is parametrized by a set of four heavy flavor-spin independent universal wave functions at the leading order of effective theory. The form factors are calculated at the leading 1/m(Q) order using the light cone sum rule method in the framework of effective theory. \V-ub\ is then extracted via B --> rho/nu decay mode. (C) 2001 Published by Elsevier Science B.V.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000171717800005
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13648
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
Wang, WY,Wu, YL. B ->rho l nu decay and vertical bar V-ub vertical bar[J]. PHYSICS LETTERS B,2001,519(40972):219-228.
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