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Electromagnetic transition form factor of pseudoscalar mesons and eta-eta
Cao, J; Cao, FG; Huang, T; Ma, BQ; Cao, J , Acad Sinica, Inst High Energy Phys, Beijing 100039, Peoples R China.
1998
发表期刊PHYSICAL REVIEW D
ISSN0556-2821
卷号58期号:11页码:-
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].
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
关键词Perturbative Qcd Analysis Pion Wave-function Transverse-momentum Exclusive Processes Intrinsic Charm Wigner Rotation Spin Scattering Proton
学科领域Physics
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收录类别SCI
文献类型期刊论文
条目标识符http://ir.itp.ac.cn/handle/311006/12224
专题理论物理所SCI论文
通讯作者Cao, J , Acad Sinica, Inst High Energy Phys, Beijing 100039, Peoples R China.
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GB/T 7714
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):-.
APA Cao, J,Cao, FG,Huang, T,Ma, BQ,&Cao, J , Acad Sinica, Inst High Energy Phys, Beijing 100039, Peoples R China..(1998).Electromagnetic transition form factor of pseudoscalar mesons and eta-eta.PHYSICAL REVIEW D,58(11),-.
MLA Cao, J,et al."Electromagnetic transition form factor of pseudoscalar mesons and eta-eta".PHYSICAL REVIEW D 58.11(1998):-.
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