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Calculation of some properties of pi and sigma mesons in the global color symmetry model
Lu, XF; Liu, YX; Zong, HS; Zhao, EG; Lu, XF , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China.
1998
发表期刊PHYSICAL REVIEW C
ISSN0556-2813
卷号58期号:2页码:1195-1204
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.
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
关键词Sum-rules Qcd Instantons Nucleons Hadrons
学科领域Physics
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收录类别SCI
WOS记录号WOS:000075359800062
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被引频次:58[WOS]   [WOS记录]     [WOS相关记录]
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12280
专题理论物理所1978-2010年知识产出
通讯作者Lu, XF , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China.
推荐引用方式
GB/T 7714
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.
APA Lu, XF,Liu, YX,Zong, HS,Zhao, EG,&Lu, XF , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China..(1998).Calculation of some properties of pi and sigma mesons in the global color symmetry model.PHYSICAL REVIEW C,58(2),1195-1204.
MLA Lu, XF,et al."Calculation of some properties of pi and sigma mesons in the global color symmetry model".PHYSICAL REVIEW C 58.2(1998):1195-1204.
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