The Study of Ηc(1s)→ $pp^{\prime }$ Decays
International journal of theoretical physics(2021)
摘要
The ${\eta }_{c}(1S) {\to } PP^{\prime }$ decays are the parity violation modes. These decays can be induced by the weak interactions within the standard model, and have been searched for based on the available experimental data. To meet the needs of experimental investigation, the ${\eta }_{c}(1S) {\to } PP^{\prime }$ decays are studied with the perturbative QCD approach. It is found that branching ratios are the order of 10− 15 and less, which offers a ready reference for future analyses.
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关键词
η meson,Weak decays,BESIII experiments,Perturbative QCD approach
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