Hadronic b\rightarrow c decays at Belle

We report two studies of hadronic b c decays based on data samples collected by the Belle detector at the KEK-B e + e -asymmetric collider. Exclusive B + meson decays to the D ( * )s K + + final state are analysed and respective branching fractions are measured. We also present measurements of B 0 D * + s -and B 0 D * - s K + branching fractions. These studies are based on 657 10 6 BB pairs collected at the (4S) resonance.

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