First measurement of the decay-time-integrated $CP$ asymmetry in $B_s^0\to D_s^{-}\ddot{I}{€}^{+}$ decays

LHCb collaboration, R. Aaij, M. Abdelfatah +1114

A measurement of the flavour-untagged decay-time-integrated $CP$ asymmetry in the flavour-specific decay $B_s^0\to D_s^{-}\ddot{I}{€}^{+}$, $⟨A_{\mathrm{untagged}}^s⟩$, is perf…