The purely leptonic and semileptonic decays of $D_s^{\ast }$ meson

Xiao-Lin Wang, Rui Sun, Li-Ting Wang

With the potential prospects of the $D_s^{\ast }$ at high-luminosity heavy-flavor experiments in the future, we investigated the CKM-favored and tree-dominated leptonic $D^{*}_{s}\to…