First observation of the decay $\bar{B}^0_s \to D^0 K^{*0}$ and a
measurement of the ratio of branching fractions $\frac{{\cal B}(\bar{B}^0_s
\to D^0 K^{*0})}{{\cal B}(\bar{B}^0 \to D^0 ρ^0)}$
Physics – High Energy Physics – High Energy Physics - Experiment