Search for the rare decays $J/\psi \to D_s^{-}{\rho }^{+}$ and $J/\psi \to \overline{D}{}^0\overline{K}{}^{\ast 0}$

BESIII Collaboration, M. Ablikim, M. N. Achasov +376

A search for the rare decays of $J/\psi \to D_s^{-}{\rho }^{+}+c.c.$ and $J/\psi \to \overline{D}{}^0\overline{K}{}^{\ast 0}+c.c.$ is performed with a data sample of 225.3 million $J/\psi$ events co…