Measurement of $CP$ violation of neutral kaon system in $J/\psi$ decay at the Super Tau-Charm Facility

Jian-Yu Zhang, Cheng-Dong Fu, Hai-Bo Li +2

In this paper, we present a preliminary study of $CP$ violation effect of $K^0-{\bar{K}}^0$ system in $J/\psi$ decay. The $CP$ violation parameters ${\eta }_{+-}$ and ${\eta }_{00}$ as well as…