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Zong, HS; Liu, YX; Lu, XF; Wang, F; Zhao, EG; Zong, HS , Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China.
Calculation of some properties of vacuum and pi, sigma, mesons in the global color symmetry model
Source PublicationCOMMUNICATIONS IN THEORETICAL PHYSICS
KeywordQcd Sum-rules Quark-quark Interaction Wave-function 4-quark Condensate Magnetic-moments Instanton Vacuum Gluon Propagator Tensor Charge Nucleon Susceptibilities
AbstractBased on the quark propagator derived in the instanton dilute liquid approximation, the quark condensate <(q) over barq >, the mixed quark gluon condensate g(a)< qG(muv)sigma (muv)q > the four-quark condensate <(q) over bar Gammaq (q) over bar Gammaq > and tensor, pion vacuum susceptibilities have been calculated at the mean-field level in a nonperturbative QCD model. The numerical results are compatible with the values obtained within other nonperturbative approaches. The calculated masses and decay constants of pi and sigma mesons are close to the experimental values. These results show that the instanton medium might be a good approximation of the QCD vacuum.
2001
ISSN0253-6102
Volume36Issue:2Pages:187-194
Subject AreaPhysics
Indexed BySCI
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/13685
Collection理论物理所科研产出_SCI论文
Corresponding AuthorZong, HS , Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China.
Recommended Citation
GB/T 7714
Zong, HS,Liu, YX,Lu, XF,et al. Calculation of some properties of vacuum and pi, sigma, mesons in the global color symmetry model[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2001,36(2):187-194.
APA Zong, HS,Liu, YX,Lu, XF,Wang, F,Zhao, EG,&Zong, HS , Nanjing Univ, Dept Phys, Nanjing 210093, Peoples R China..(2001).Calculation of some properties of vacuum and pi, sigma, mesons in the global color symmetry model.COMMUNICATIONS IN THEORETICAL PHYSICS,36(2),187-194.
MLA Zong, HS,et al."Calculation of some properties of vacuum and pi, sigma, mesons in the global color symmetry model".COMMUNICATIONS IN THEORETICAL PHYSICS 36.2(2001):187-194.
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