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Chen, YH; Guo, ZH; Zheng, HQ; Guo, ZH (reprint author), Hebei Normal Univ, Dept Phys, Shijiazhuang 050024, Peoples R China.
Radiative transition processes of light vector resonances in a chiral framework
Source PublicationPHYSICAL REVIEW D
Language英语
KeywordLow-energy Constants N-c Qcd Form-factors Perturbation-theory Meson Decays Tau-decay Muon G-2 Lagrangians Constraints Mass
AbstractWithin the framework of chiral effective field theory, we study various electromagnetic processes with light vector resonances: K*(892) -> K gamma, e(+)e(-) -> K* (892)K, and the omega pi gamma* form factors. With two multiplets of vector resonances being introduced, we fit the decay widths of K*0 -> K-0 gamma, K*(+) -> K+gamma, and the pertinent measurements from the e(+)e(-) -> K*(+/-)(892)K--/+ cross sections, such as moduli and relative phases between the isoscalar and isovector components from the BABAR Collaboration, together with the omega pi form factors from the NA60, SND, and CLEO collaborations. The values of resonance couplings, masses and widths of the excited vector states rho' and phi' are then determined. The omega'-phi' mixing angle is discussed and turns out to be quite different from the ideal mixing case. Three sources of SU(3) symmetry breaking effects in the Gamma(K* -> K gamma) decays are identified and analyzed in detail.
2014
ISSN1550-7998
Volume90Issue:3Pages:34013
Subject AreaPhysics
DOI10.1103/PhysRevD.90.034013
Indexed BySCI
Funding OrganizationNational Natural Science Foundation of China (NSFC) [10925522, 11021092, 11105038, 11035006, CRC110]; DFG [CRC110, 11261130311]; Education Department of Hebei Province [YQ2014034]; Natural Science Foundation of Hebei Province [A2011205093]; Doctor Foundation of Hebei Normal University [L2010B04] ; National Natural Science Foundation of China (NSFC) [10925522, 11021092, 11105038, 11035006, CRC110]; DFG [CRC110, 11261130311]; Education Department of Hebei Province [YQ2014034]; Natural Science Foundation of Hebei Province [A2011205093]; Doctor Foundation of Hebei Normal University [L2010B04] ; National Natural Science Foundation of China (NSFC) [10925522, 11021092, 11105038, 11035006, CRC110]; DFG [CRC110, 11261130311]; Education Department of Hebei Province [YQ2014034]; Natural Science Foundation of Hebei Province [A2011205093]; Doctor Foundation of Hebei Normal University [L2010B04] ; National Natural Science Foundation of China (NSFC) [10925522, 11021092, 11105038, 11035006, CRC110]; DFG [CRC110, 11261130311]; Education Department of Hebei Province [YQ2014034]; Natural Science Foundation of Hebei Province [A2011205093]; Doctor Foundation of Hebei Normal University [L2010B04]
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Document Type期刊论文
Identifierhttp://ir.itp.ac.cn/handle/311006/15678
Collection理论物理所科研产出_SCI论文
Corresponding AuthorGuo, ZH (reprint author), Hebei Normal Univ, Dept Phys, Shijiazhuang 050024, Peoples R China.
Recommended Citation
GB/T 7714
Chen, YH,Guo, ZH,Zheng, HQ,et al. Radiative transition processes of light vector resonances in a chiral framework[J]. PHYSICAL REVIEW D,2014,90(3):34013.
APA Chen, YH,Guo, ZH,Zheng, HQ,&Guo, ZH .(2014).Radiative transition processes of light vector resonances in a chiral framework.PHYSICAL REVIEW D,90(3),34013.
MLA Chen, YH,et al."Radiative transition processes of light vector resonances in a chiral framework".PHYSICAL REVIEW D 90.3(2014):34013.
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