Radiative transition processes of light vector resonances in a chiral framework

CORC > 理论物理研究所 > 中国科学院理论物理研究所 > 理论物理所科研产出 > 理论物理所1978-2010年知识产出

	Radiative transition processes of light vector resonances in a chiral framework
	Chen, YH ; Guo, ZH ; Zheng, HQ
刊名	PHYSICAL REVIEW D
	2014
卷号	90 期号:3 页码:34013
关键词	LOW-ENERGY CONSTANTS N-C QCD FORM-FACTORS PERTURBATION-THEORY MESON DECAYS TAU-DECAY MUON G-2 LAGRANGIANS CONSTRAINTS MASS
ISSN号	1550-7998
通讯作者	Guo, ZH (reprint author), Hebei Normal Univ, Dept Phys, Shijiazhuang 050024, Peoples R China.
英文摘要	Within 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 K0 -> 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.
学科主题	Physics
收录类别	SCI
资助信息	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]
原文出处	http://dx.doi.org/10.1103/PhysRevD.90.034013
语种	英语
WOS记录号	WOS:000341263100004
公开日期	2015-06-03
内容类型	期刊论文
源URL	[http://ir.itp.ac.cn/handle/311006/15678]
专题	理论物理研究所_理论物理所1978-2010年知识产出
推荐引用方式 GB/T 7714	Chen, YH,Guo, ZH,Zheng, HQ. 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.(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.