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题名: Calculation of some properties of pi and sigma mesons in the global color symmetry model
作者: Lu, XF ;  Liu, YX ;  Zong, HS ;  Zhao, EG
刊名: PHYSICAL REVIEW C
出版日期: 1998
卷号: 58, 期号:2, 页码:1195-1204
关键词: SUM-RULES ;  QCD ;  INSTANTONS ;  NUCLEONS ;  HADRONS
学科分类: Physics
通讯作者: Lu, XF , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China.
部门归属: CCAST, World Lab, Beijing 100080, Peoples R China; Sichuan Univ, Dept Phys, Chengdu 610064, Peoples R China; Peking Univ, Dept Phys, Beijing 100871, Peoples R China; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
英文摘要: It is shown in this paper that the vacuum configuration of the bilocal field in the global color symmetry model (GCM) can be calculated in the instanton dilute liquid approximation. As only the excitation of Goldstone bosons is taken into account, the relative motion against the vacuum is equivalent to the dynamical mass of a quark. The bilocal field generating the mesons a and a in the GCM is then determined. With the determined bilocal field and the effective action, the masses and the decay constants of the mesons a and a, and the decay width of sigma --> pi pi are calculated in the GCM. The calculated results agree with experimental data quite well.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000075359800062
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12280
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:
Lu, XF,Liu, YX,Zong, HS,et al. Calculation of some properties of pi and sigma mesons in the global color symmetry model[J]. PHYSICAL REVIEW C,1998,58(2):1195-1204.
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