Search for the rare decay $D^{+}\to D^0{e}^{+}{\nu }_e$

BESIII collaboration, M. Ablikim, M. N. Achasov +429

We search for the rare decay $D^{+}\to D^0{e}^{+}{\nu }_e$, using a data set with an integrated luminosity of 2.93 $\mathrm{f}{\mathrm{b}}^{-1}$ collected at $\sqrt{s}=3.773$ GeV with the BESIII detector…