Radiative decays J/ψ → η(')γ in perturbative QCD

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JIN Dan and YANG Ya-Dong. Radiative decays J/ψ → η(')γ in perturbative QCD[J]. Chinese Physics C, 2011, 35(8): 703-707. doi: 10.1088/1674-1137/35/8/001
JIN Dan and YANG Ya-Dong. Radiative decays J/ψ → η(')γ in perturbative QCD[J]. Chinese Physics C, 2011, 35(8): 703-707.  doi: 10.1088/1674-1137/35/8/001 shu
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Received: 2010-10-08
Revised: 1900-01-01
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Radiative decays J/ψ → η(')γ in perturbative QCD

Abstract: With the recent investigations of the g*g*(') transition form factor and η-η' mixing scheme, we present an updated study of the radiative decays J/ψ → η(')γ in perturbative QCD. The decays are taken as a test ground for the g*g*(') transition form factors and the η-η' mixing scheme. The form factors are found to be working for glunic η' production and the mixing angle is constrained to be φ=35.1°±0.8°.

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