Measurement of the branching fractions and longitudinal polarisations of $B_{(s)}^0\to K^{\ast 0}\overline{K}{}^{\ast 0}$ decays

LHCb collaboration, R. Aaij, A. S. W. Abdelmotteleb +1183

A time- and flavour-integrated amplitude analysis of $B^0$ and $B_s^0$ decays to the $(K^{+}\ddot{I}{€}^{-})(K^{-}\ddot{I}{€}^{+})$ final state in the $K^*(892)^0 \kern 0.18em \overline{\kern -0.18em K}{}^{…