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

BESIII Collaboration, M. Ablikim, M. N. Achasov +651

We search for the leptonic decay $D^{+}\to e^{+}{\nu }_e$ using an $e^{+}{e}^{-}$ collision data sample with an integrated luminosity of 20.3~fb${}^{-1}$ collected with the BESIII detector at the…