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Lu Chang-Fang; Lue Xiao-Fu; Lu, CF , Sichuan Univ, Dept Phys, Chengdu 610064, Peoples R China
Mixed Quark-Gluon Condensate Beyond Chiral Limit
Source PublicationCOMMUNICATIONS IN THEORETICAL PHYSICS
KeywordQcd Sum-rules Quantum Chromodynamics Baryon Masses Resonance Spectrum Physics Model
AbstractUsing the Dyson-Schwinger equation and perturbation theory, we calculate the mixed quark-gluon condensates in the chiral limit and in the case of nonzero quark current mass for the light quark u/d and strange quark s. The results show that the mixed quark-gluon condensate will decrease when the quark mass increases. For the quark with zero mass, we obtain m(0)(2)= g <(q) over bar sigma(mu nu) G(mu nu)q >/<(q) over barq > congruent to 0.68 GeV(2), which is in good agreement with the QCD sum rules estimate m(0)(2) = (0.8 +/- 0.2) GeV(2).
2010
ISSN0253-6102
Volume53Issue:5Pages:893-897
Subject AreaPhysics
Indexed BySCI
Funding OrganizationKey Research Plan of Theoretical Physics and Cross Science of China[90503011]; National Science Foundation[10775012] ; Key Research Plan of Theoretical Physics and Cross Science of China[90503011]; National Science Foundation[10775012] ; Key Research Plan of Theoretical Physics and Cross Science of China[90503011]; National Science Foundation[10775012] ; Key Research Plan of Theoretical Physics and Cross Science of China[90503011]; National Science Foundation[10775012]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/5107
Collection理论物理所科研产出_SCI论文
Corresponding AuthorLu, CF , Sichuan Univ, Dept Phys, Chengdu 610064, Peoples R China
Recommended Citation
GB/T 7714
Lu Chang-Fang,Lue Xiao-Fu,Lu, CF , Sichuan Univ, Dept Phys, Chengdu 610064, Peoples R China. Mixed Quark-Gluon Condensate Beyond Chiral Limit[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2010,53(5):893-897.
APA Lu Chang-Fang,Lue Xiao-Fu,&Lu, CF , Sichuan Univ, Dept Phys, Chengdu 610064, Peoples R China.(2010).Mixed Quark-Gluon Condensate Beyond Chiral Limit.COMMUNICATIONS IN THEORETICAL PHYSICS,53(5),893-897.
MLA Lu Chang-Fang,et al."Mixed Quark-Gluon Condensate Beyond Chiral Limit".COMMUNICATIONS IN THEORETICAL PHYSICS 53.5(2010):893-897.
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