Search for the Radiative Leptonic Decay $D^{+}\to \gamma e^{+}{\nu }_e$

The BESIII Collaboration, M. Ablikim, M. N. Achasov +428

Using an electron-positron collision data sample of 2.93 fb${}^{-1}$ collected at a center-of-mass energy of $\sqrt{s}=3.773$ GeV with the BESIII detector, we present the first searc…