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On the mixed propagator approach to rho-omega mixing
Yan, ML; Jiang, JH; Wang, XJ; Yan, ML , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China.
2002
发表期刊COMMUNICATIONS IN THEORETICAL PHYSICS
ISSN0253-6102
卷号38期号:2页码:195-199
摘要The mixed propagator (MP) approach to rho-omega mixing is discussed. It is found that under the pole-approximation assumption the results of MP approach is not compatible both with the effective Lagrangian theory and with the experiment measurement criterion. To overcome these inconsistent, we propose a new MP approach in which the physical states of rho and omega are determined by the requirement of experimental measurement to meson resonance. In terms of this new MP approach, the EM pion form factor F-pi and form factors of rho(o) --> pi(o)gamma and of omega --> pi(o) gamma are derived. The results of F-pi are in good agreement with data. The form factor of rho(o) --> pi(o)gamma exhibits a hidden charge-asymmetry enhancement effect which agrees with the prediction of the effective Lagrangian theory.
部门归属CCAST, World Lab, Beijing 100080, Peoples R China; Univ Sci & Technol China, Ctr Fundamental Phys, Anhua 230026, Peoples R China; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China
关键词Pion Form-factor Chiral Perturbation-theory Hidden Local Symmetries Vector-mesons Physics Decay
学科领域Physics
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收录类别SCI
WOS记录号WOS:000177836000014
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被引频次:1[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/311006/13458
专题理论物理所1978-2010年知识产出
通讯作者Yan, ML , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China.
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Yan, ML,Jiang, JH,Wang, XJ,et al. On the mixed propagator approach to rho-omega mixing[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2002,38(2):195-199.
APA Yan, ML,Jiang, JH,Wang, XJ,&Yan, ML , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China..(2002).On the mixed propagator approach to rho-omega mixing.COMMUNICATIONS IN THEORETICAL PHYSICS,38(2),195-199.
MLA Yan, ML,et al."On the mixed propagator approach to rho-omega mixing".COMMUNICATIONS IN THEORETICAL PHYSICS 38.2(2002):195-199.
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