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Effects of the initial hadron in B -> J/psi+X
Ma, JP; Ma, JP , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
2000
发表期刊PHYSICS LETTERS B
ISSN0370-2693
卷号488期号:1页码:55-62
摘要In the framework of HQET inclusive decays of b-flavored hadrons can be handled as decays of the free b-quark approximately. We analyse the correction to this approximation fur the inclusive decays into a polarized J/psi, the correction is characterized by two matrix elements defined in HQET. For the J/psi, we use NRQCD to parameterize the formation of the c (c) over bar pair into J/psi,. Numerically the correction is remarkably large, it can be at the level of 30% and it is mainly due to the Fermi-morion of the b-quark. With this correction we give a new determination for combinations of two NRQCD matrix elements. (C) 2000 Elsevier Science B.V. All rights reserved.
部门归属Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Quark Effective Theory Effective Field-theory B-decay Matrix-elements Heavy Quarks Qcd Analysis Charmonium Mesons Tevatron
学科领域Physics
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收录类别SCI
WOS记录号WOS:000089075500008
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被引频次:7[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/311006/12919
专题1978-2010年知识产出
通讯作者Ma, JP , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
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Ma, JP,Ma, JP , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.. Effects of the initial hadron in B -> J/psi+X[J]. PHYSICS LETTERS B,2000,488(1):55-62.
APA Ma, JP,&Ma, JP , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(2000).Effects of the initial hadron in B -> J/psi+X.PHYSICS LETTERS B,488(1),55-62.
MLA Ma, JP,et al."Effects of the initial hadron in B -> J/psi+X".PHYSICS LETTERS B 488.1(2000):55-62.
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