Measurement of the time-dependent CP asymmetries in $B_s^0\to J/\psi K_{\mathrm{S}}^0$

LHCb collaboration, R. Aaij, B. Adeva +699

The first measurement of decay-time-dependent CP asymmetries in the decay $B_s^0\to J/\psi K_{\mathrm{S}}^0$ and an updated measurement of the ratio of branching fractions $\mathcal…