Measurement of $B_s^0$ and $D_s^{-}$ meson lifetimes

LHCb collaboration, R. Aaij, B. Adeva +774

We report on a measurement of the flavor-specific $B_s^0$ lifetime and of the $D_s^{-}$ lifetime using proton-proton collisions at center-of-mass energies of 7 and 8 TeV, col…