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THE LEADING QUARK MASS CORRECTIONS TO THE QCD SUM-RULES FOR THE O++ SCALAR GLUEBALL
LIU, JP; LIU, DH; LIU, JP , WUHAN UNIV,DEPT PHYS,WUHAN 430072,PEOPLES R CHINA.
1993
发表期刊JOURNAL OF PHYSICS G-NUCLEAR AND PARTICLE PHYSICS
ISSN0954-3899
卷号19期号:3页码:373-387
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.
部门归属ACAD SINICA,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA
关键词Quantum Chromodynamics Resonance Physics Hadronic Structure Local Duality Gluon Plasma Instantons Vacuum Decay
学科领域Physics
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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1978-2010年知识产出
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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