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Revisiting the OZI-forbidden Radiative Decays of Orthoquarkonia | | Gang Li
; Tong Li
; Xue-Qian Li
; Wen-Gan Ma
; Shu-Min Zhao
; | | Date: |
18 May 2005 | | Subject: | hep-ph | | Abstract: | It is interesting to investigate the OZI-forbidden radiative orthoquarkonium decays $J/psi o gammapi^0, gammaeta$ and $gammaeta’$ in perturbative QCD. In this work without the approximations adopted in literature we carry out a full one-loop calculation which involves integrations of 4-point and 5-point loop functions. Our numerical results are in agreement with the present data. We also briefly discuss the decays of $J/psi o gamma+
ho^0$, as well as $Upsilon o pi^0gamma, etagamma, eta’gamma$. | | Source: | arXiv, hep-ph/0505158 | | Services: | Forum | Review | PDF | Favorites | |
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