Mini-review of rare charmonium decays at BESIII

Hai-Bo Li, SHi-Hai Zhu

Recently, LHCb experiment announced a 3.5$\sigma$ evidence for direct CP violation in $D^0$ decay by looking at the difference between $A_{CP}(D^0\to K^{+}{K}^{-})$ and $A_{CP}(D^0\ri…