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题名: Hidden local symmetry and chiral effective theory for vector and axial-vector mesons
作者: Ma, YL ;  Wang, Q ;  Wu, YL
刊名: EUROPEAN PHYSICAL JOURNAL C
出版日期: 2005
卷号: 39, 期号:2, 页码:201-208
关键词: PERTURBATION-THEORY ;  LOW-ENERGY ;  LAGRANGIANS ;  SCATTERING ;  QCD
学科分类: Physics
通讯作者: Ma, YL , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.
部门归属: Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China; Tsing Hua Univ, Dept Phys, Beijing 100084, Peoples R China
英文摘要: In this paper, we present the full Lagrangian of mesons ( pseudoscalars, vectors and axial-vectors) to O(p(4)) by using the explicit global chiral symmetry and hidden local symmetry in the chiral limit. In this approach, we see that there are many other terms besides the usual eleven terms given in the literature from a hidden local symmetry approach. In particular, there are some terms in our full results which are important for understanding the vector meson dominance and pi-pi scattering and providing consistent predictions on the decay rates of a(1) --> gammapi and a(1) --> rhopi as well as for constructing a consistent effective chiral Lagrangian with chiral perturbation theory. It is likely that the structures of the effective chiral Lagrangian for O( p 4) given in the literature by using hidden local symmetry are incomplete and consequently the resulting couplings are not reliable. We examine the issue that the more general effective chiral Lagrangian given in the present paper can provide more consistent predictions for the low energy phenomenology of the rho-a(1) system and result in more consistent descriptions on the low energy behavior of light flavor mesons.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000226628700008
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13893
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:
Ma, YL,Wang, Q,Wu, YL. Hidden local symmetry and chiral effective theory for vector and axial-vector mesons[J]. EUROPEAN PHYSICAL JOURNAL C,2005,39(2):201-208.
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