Measurement of the $B_s^0\to J/\psi K^{\ast 0}$ branching fraction and angular amplitudes

LHCb collaboration, R. Aaij, C. Abellan Beteta +616

A search for the decay $B_s^0\to J/\psi K^{\ast 0}$ with $K^{\ast 0}\to K^{-}{\pi }^{+}$ is performed with 0.37 fb${}^{-1}$ of $pp$ collisions at $\sqrt{s}$ = 7 TeV collected by the LHCb…