Study of the $D^0\to K^{-}{\mu }^{+}{\nu }_{\mu }$ dynamics and test of lepton flavor universality with $D^0\to K^{-}{\ell }^{+}{\nu }_{\ell }$ decays

M. Ablikim, M. N. Achasov, S. Ahmed +456

Using $e^{+}{e}^{-}$ annihilation data of $2.93{\mathrm{fb}}^{-1}$ collected at center-of-mass energy $\sqrt{s}=3.773$ GeV with the BESIII detector, we measure the absolute branching frac…