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Hidden local symmetry and chiral effective theory for vector and axial-vector mesons
Ma, YL; Wang, Q; Wu, YL; Ma, YL , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.
2005
发表期刊EUROPEAN PHYSICAL JOURNAL C
ISSN1434-6044
卷号39期号:2页码:201-208
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.
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
关键词Perturbation-theory Low-energy Lagrangians Scattering Qcd
学科领域Physics
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收录类别SCI
WOS记录号WOS:000226628700008
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被引频次:4[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/311006/13893
专题理论物理所1978-2010年知识产出
通讯作者Ma, YL , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China.
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GB/T 7714
Ma, YL,Wang, Q,Wu, YL,et al. Hidden local symmetry and chiral effective theory for vector and axial-vector mesons[J]. EUROPEAN PHYSICAL JOURNAL C,2005,39(2):201-208.
APA Ma, YL,Wang, Q,Wu, YL,&Ma, YL , Chinese Acad Sci, Inst Theoret Phys, Beijing 100080, Peoples R China..(2005).Hidden local symmetry and chiral effective theory for vector and axial-vector mesons.EUROPEAN PHYSICAL JOURNAL C,39(2),201-208.
MLA Ma, YL,et al."Hidden local symmetry and chiral effective theory for vector and axial-vector mesons".EUROPEAN PHYSICAL JOURNAL C 39.2(2005):201-208.
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