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题名: On the mixed propagator approach to rho-omega mixing
作者: Yan, ML ;  Jiang, JH ;  Wang, XJ
刊名: COMMUNICATIONS IN THEORETICAL PHYSICS
出版日期: 2002
卷号: 38, 期号:2, 页码:195-199
关键词: PION FORM-FACTOR ;  CHIRAL PERTURBATION-THEORY ;  HIDDEN LOCAL SYMMETRIES ;  VECTOR-MESONS ;  PHYSICS ;  DECAY
学科分类: Physics
通讯作者: Yan, ML , CCAST, World Lab, POB 8730, Beijing 100080, Peoples R China.
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
英文摘要: 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.
收录类别: SCI
原文出处: 查看原文
WOS记录号: WOS:000177836000014
Citation statistics: 
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/13458
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:
Yan, ML,Jiang, JH,Wang, XJ. On the mixed propagator approach to rho-omega mixing[J]. COMMUNICATIONS IN THEORETICAL PHYSICS,2002,38(2):195-199.
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