Search for the charmonium weak decay $\psi (2S)\to D_s^{-}{\pi }^{+}+c.c.$ and $\psi (2S)\to D_s^{-}{\rho }^{+}+c.c.$

BESIII Collaboration, M. Ablikim, M. N. Achasov +720

Using the data sample of $(2712.4\pm 14.3)\times 10^6$ $\psi (2S)$ events collected with the BESIII detector at the center-of-mass energy $\sqrt{s}=3.686\mathrm{GeV}$, we search for the w…