Study of C parity violating and strangeness changing J/ψ → PP weak decays Supported by the National Natural Science Foundation of China (11705047, 11981240403, U1632109, 11547014, 11875122), the Program for Innovative Research Team in University of Henan Province (19IRTSTHN018), the Excellent Youth Foundation of Henan Province (212300410010) and the Chinese Academy of Sciences Large-Scale Scientific Facility Program (1G2017IHEPKFYJ01),Chinese Physics C

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Study of C parity violating and strangeness changing J/ψ → PP weak decays Supported by the National Natural Science Foundation of China (11705047, 11981240403, U1632109, 11547014, 11875122), the Program for Innovative Research Team in University of Henan Province (19IRTSTHN018), the Excellent Youth Foundation of Henan Province (212300410010) and the Chinese Academy of Sciences Large-Scale Scientific Facility Program (1G2017IHEPKFYJ01)
Chinese Physics C ( IF 3.6 ) Pub Date : 2021-07-22 , DOI: 10.1088/1674-1137/ac06ac
Yueling Yang ₁ , Junliang Lu ₁ , Mingfei Duan ₁ , Jinshu Huang ₂ , Junfeng Sun ₁

Affiliation

Although $J/{\psi}$ weak decays are rare, they are possible within the standard model of elementary particles. Inspired by the potential prospects of the future intensity frontier, the C parity violating $J/{\psi}$ ${\to}$ ${\pi}{\eta}^{({\prime})}$ , ${\eta}{\eta}^{\prime}$ decays and the strangeness changing $J/{\psi}$ ${\to}$ ${\pi}K$ , $K{\eta}^{({\prime})}$ decays are studied via the perturbative QCD approach. It is determined that the $J/{\psi}$ ${\to}$ ${\eta}{\eta}^{\prime}$ decays have relatively large branching ratios, approximately on the order of $10^{-11}$ , which might be within the measurement capability and sensitivity of the future STCF experiment.

更新日期：2021-07-22

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