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LIU, JP; LIU, DH; LIU, JP , WUHAN UNIV,DEPT PHYS,WUHAN 430072,PEOPLES R CHINA.
THE LEADING QUARK MASS CORRECTIONS TO THE QCD SUM-RULES FOR THE O++ SCALAR GLUEBALL
发表期刊JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS
关键词Quantum Chromodynamics Resonance Physics Hadronic Structure Local Duality Gluon Plasma Instantons Vacuum Decay
摘要The effects of the leading quark mass corrections to the QCD sum rules for the 0++ scalar glueball are investigated. In order to include the information from the confinement region of QCD, the leading quark mass correction to the polarization function at Q2 = 0 for a renormalized group-invariant current with the quantum numbers J(PT) = O++ are studied by means of the QCD low-energy theorem. For the construction of the corresponding spectral function, we use a 'finite-width resonance plus continuum' model in which the dynamical corrections due to the non-vanishing meson masses are taken into account. Two types of the QCD sum rules, namely the Gauss-Weierstrass finite-energy sum rules and the Laplace transform sum rule, are used to investigate the properties of the lowest O++ scalar glueball. The effects of the non-vanishing quark masses turn out to be not negligible for the determination of the glueball width; the intermediate value of the glueball mass is further confirmed by the leading quark mass correction.
1993
ISSN0954-3899
卷号19期号:3页码:373-387
学科领域Physics
收录类别SCI
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12058
专题理论物理所科研产出_SCI论文
通讯作者LIU, JP , WUHAN UNIV,DEPT PHYS,WUHAN 430072,PEOPLES R CHINA.
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LIU, JP,LIU, DH,LIU, JP , WUHAN UNIV,DEPT PHYS,WUHAN 430072,PEOPLES R CHINA.. THE LEADING QUARK MASS CORRECTIONS TO THE QCD SUM-RULES FOR THE O++ SCALAR GLUEBALL[J]. JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS,1993,19(3):373-387.
APA LIU, JP,LIU, DH,&LIU, JP , WUHAN UNIV,DEPT PHYS,WUHAN 430072,PEOPLES R CHINA..(1993).THE LEADING QUARK MASS CORRECTIONS TO THE QCD SUM-RULES FOR THE O++ SCALAR GLUEBALL.JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS,19(3),373-387.
MLA LIU, JP,et al."THE LEADING QUARK MASS CORRECTIONS TO THE QCD SUM-RULES FOR THE O++ SCALAR GLUEBALL".JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS 19.3(1993):373-387.
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