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题名: TEST ON APPLICATION RANGE OF QCD SUM-RULES FROM BARYON SPECTROSCOPY
作者: SHEN, PN ;  DONG, YB ;  GUO, XH ;  LI, XQ
刊名: COMMUNICATIONS IN THEORETICAL PHYSICS
出版日期: 1994
卷号: 21, 期号:4, 页码:455-464
关键词: RESONANCE PHYSICS ;  QUARK-MODEL ;  QUANTUM CHROMODYNAMICS ;  HYPERFINE INTERACTIONS ;  ASYMPTOTIC FREEDOM ;  POTENTIAL MODEL ;  CHARMONIUM ;  HADRONS ;  MASSES ;  DECAYS
学科分类: Physics
通讯作者: SHEN, PN , ACAD SINICA,INST HIGH ENERGY PHYS,POB 9184,BEIJING 100039,PEOPLES R CHINA.
部门归属: ACAD SINICA,INST THEORET PHYS,BEIJING 100080,PEOPLES R CHINA; CCAST WORLD LAB,BEIJING 100080,PEOPLES R CHINA; NANKAI UNIV,DEPT PHYS,TIANJIN 300071,PEOPLES R CHINA
英文摘要: By considering the nonperturbative QCD effect via quark and gluon condensates, the Confinement terms in effective q-q potential can automaticallY be given. A potential in the form of (-2alpha(s)/3r) + SIGMA(n-0)infinity a2n+1r2n+1 + (Yukawa-type terms) where positive and negative signs appear alternatively in a2n+1's is proposed. To testify the validity range of QCD sum rules, the experimental baryon spectrum is fitted and the values of a2n+1's as well as their signs are obtained. It is found that in the baryon spectrum calculation, the terms of r3 and r5 are important and higher terms beyond r5 can be neglected. Comparing these values with the result calculated from QCD sum rules, some agreements and disagreements are found.
收录类别: SCI
原文出处: 查看原文
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/11889
Appears in Collections:理论物理所1978-2010年知识产出_期刊论文

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Recommended Citation:
SHEN, PN,DONG, YB,GUO, XH,et al. TEST ON APPLICATION RANGE OF QCD SUM-RULES FROM BARYON SPECTROSCOPY[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,1994,21(4):455-464.
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