$B_{s,d}^{\ast }\to {\mu }^{+}{\mu }^{-}$ and its impact on $B_{s,d}\to {\mu }^{+}{\mu }^{-}$

Guang-Zhi Xu, Yue Qiu, Cheng-Ping Shen +1

The decay of $B_{s,d}^{\ast }\to {\mu }^{+}{\mu }^{-}$~ and its impact on $B_{s,d}\to {\mu }^{+}{\mu }^{-}$ is studied here. The ${\mu }^{+}{\mu }^{-}$ decay widths of vector mesons $B_{s,d}^{\ast }$ are about a factor of 700 la…