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题名: Electromagnetic transition form factor of pseudoscalar mesons and eta-eta
作者: Cao, J ;  Cao, FG ;  Huang, T ;  Ma, BQ
刊名: PHYSICAL REVIEW D
出版日期: 1998
卷号: 58, 期号:11, 页码:-
关键词: PERTURBATIVE QCD ANALYSIS ;  PION WAVE-FUNCTION ;  TRANSVERSE-MOMENTUM ;  EXCLUSIVE PROCESSES ;  INTRINSIC CHARM ;  WIGNER ROTATION ;  SPIN ;  SCATTERING ;  PROTON
学科分类: Physics
通讯作者: Cao, J , Acad Sinica, Inst High Energy Phys, Beijing 100039, Peoples R China.
部门归属: Acad Sinica, Inst High Energy Phys, Beijing 100039, Peoples R China; Acad Sinica, Inst Theoret Phys, Beijing 100080, Peoples R China; CCAST, World Lab, Beijing 100080, Peoples R China
英文摘要: The electromagnetic transition form factors of eta and eta' are calculated in light-cone perturbation theory. We show that it is unreliable to determine the eta-eta' mixing angle without any additional normalization conditions other than their decay widths to two photons. The possible intrinsic component in the flavor singlet is investigated. The heavy quark pair has distinct properties from the light ones in electromagnetic transition processes of pseudoscalar mesons. It is possible to explore the size of the component and our numerical results disfavor a large portion of the component. [S0556-2821(98)02321-2].
收录类别: SCI
原文出处: 查看原文
内容类型: 期刊论文
URI标识: http://ir.itp.ac.cn/handle/311006/12224
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:
Cao, J,Cao, FG,Huang, T,et al. Electromagnetic transition form factor of pseudoscalar mesons and eta-eta[J]. PHYSICAL REVIEW D,1998,58(11):-.
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