Precision measurement of $CP$ violation in $B_s^0\to J/\psi K^{+}{K}^{-}$ decays

R. Aaij, B. Adeva, M. Adinolfi +696

The time-dependent $CP$ asymmetry in $B_s^0\to J/\psi K^{+}{K}^{-}$ decays is measured using $pp$ collision data, corresponding to an integrated luminosity of $3.0$fb${}^{-1}$, collected with…