Evidence of $\ddot{I}ˆ(3770)\to \ddot{I}{€}^{0}J/\ddot{I}ˆ$

BESIII Collaboration, M. Ablikim, M. N. Achasov +766

We report the first evidence for the hadronic transition $\ddot{I}ˆ(3770)\to \ddot{I}{€}^{0}J/\ddot{I}ˆ$ using a data sample of $20.3{\mathrm{fb}}^{-1}$ collected at $\sqrt{s}=3.773$~GeV with the BESIII…