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题名: Renormalization in reparametrization invariance
作者: Chen, YQ
刊名: PHYSICAL REVIEW D
出版日期: 2004
卷号: 69, 期号:9, 页码:-
关键词: QUARK EFFECTIVE THEORY ;  EFFECTIVE-FIELD-THEORY ;  HEAVY-QUARK ;  REPARAMETERIZATION INVARIANCE ;  FORM-FACTORS ;  QCD ;  ANTIQUARK ;  SYMMETRY ;  MESONS ;  LIGHT
学科分类: Physics
通讯作者: Chen, YQ , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
部门归属: Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: The renormalization issue in the reparametrization invariance in heavy quark effective theory and NRQCD is investigated. I argue that the renormalization of the transformation of the heavy quark field under the variation of the velocity parameter V is attributed to the renormalization of the small component field in the proposed transformation. I derive the matching conditions for determining the renormalized small component field by imposing an infinitesimal transformation of V on the relations between the Green's functions in QCD full theory and those in the effective theory. As an application, I determine the renormalized transformation to order 1/m(2) using the matching conditions. The obtained result is in disagreement with that determined by the indirect method.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000221907400068
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/14083
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:
Chen, YQ. Renormalization in reparametrization invariance[J]. PHYSICAL REVIEW D,2004,69(9):-.
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