Measurement of the $B_s^0$ Lifetime Using Semileptonic Decays

D0 Collaboration, V. M. Abazov

We report a measurement of the $B_s^0$ lifetime in the semileptonic decay channel $B_s^0\to D_s^{-}{\mu }^{+}\nu X$ (and its charge conjugate), using approximately 0.4 fb${}^{-1}$ of data…