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Chen, YQ; Chen, YQ , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
Renormalization in reparametrization invariance
Source PublicationPHYSICAL REVIEW D
KeywordQuark Effective Theory Effective-field-theory Heavy-quark Reparameterization Invariance Form-factors Qcd Antiquark Symmetry Mesons Light
AbstractThe 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.
2004
ISSN0556-2821
Volume69Issue:9Pages:-
Subject AreaPhysics
Indexed BySCI
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Cited Times:2[WOS]   [WOS Record]     [Related Records in WOS]
Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/14083
Collection理论物理所科研产出_SCI期刊论文
Corresponding AuthorChen, YQ , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.
Recommended Citation
GB/T 7714
Chen, YQ,Chen, YQ , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China.. Renormalization in reparametrization invariance[J]. PHYSICAL REVIEW D,2004,69(9):-.
APA Chen, YQ,&Chen, YQ , Acad Sinica, Inst Theoret Phys, POB 2735, Beijing 100080, Peoples R China..(2004).Renormalization in reparametrization invariance.PHYSICAL REVIEW D,69(9),-.
MLA Chen, YQ,et al."Renormalization in reparametrization invariance".PHYSICAL REVIEW D 69.9(2004):-.
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