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Cao, J; Cao, FG; Huang, T; Ma, BQ; Cao, J , Acad Sinica, Inst High Energy Phys, Beijing 100039, Peoples R China.
Electromagnetic transition form factor of pseudoscalar mesons and eta-eta
发表期刊PHYSICAL REVIEW D
关键词Perturbative Qcd Analysis Pion Wave-function Transverse-momentum Exclusive Processes Intrinsic Charm Wigner Rotation Spin Scattering Proton
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].
1998
ISSN0556-2821
卷号58期号:11页码:-
学科领域Physics
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
专题理论物理所科研产出_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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