The study of ${\eta }_c(1S)$ $\to$ $P{P}^{\prime }$ decays

Yueling Yang, Xule Zhao, Shuangshi Fang +2

The ${\eta }_c(1S)$ $\to$ $P{P}^{\prime }$ decays are the parity violation modes. These decays can be induced by the weak interactions within the standard model, and have been searched…