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TEST ON APPLICATION RANGE OF QCD SUM-RULES FROM BARYON SPECTROSCOPY
SHEN, PN; DONG, YB; GUO, XH; LI, XQ; SHEN, PN , ACAD SINICA,INST HIGH ENERGY PHYS,POB 9184,BEIJING 100039,PEOPLES R CHINA.
1994
发表期刊COMMUNICATIONS IN THEORETICAL PHYSICS
ISSN0253-6102
卷号21期号:4页码:455-464
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.
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
关键词Resonance Physics Quark-model Quantum Chromodynamics Hyperfine Interactions Asymptotic Freedom Potential Model Charmonium Hadrons Masses Decays
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/311006/11889
专题理论物理所SCI论文
通讯作者SHEN, PN , ACAD SINICA,INST HIGH ENERGY PHYS,POB 9184,BEIJING 100039,PEOPLES R CHINA.
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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.
APA SHEN, PN,DONG, YB,GUO, XH,LI, XQ,&SHEN, PN , ACAD SINICA,INST HIGH ENERGY PHYS,POB 9184,BEIJING 100039,PEOPLES R CHINA..(1994).TEST ON APPLICATION RANGE OF QCD SUM-RULES FROM BARYON SPECTROSCOPY.COMMUNICATIONS IN THEORETICAL PHYSICS,21(4),455-464.
MLA SHEN, PN,et al."TEST ON APPLICATION RANGE OF QCD SUM-RULES FROM BARYON SPECTROSCOPY".COMMUNICATIONS IN THEORETICAL PHYSICS 21.4(1994):455-464.
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