Nonfactorizable contributions to $B\to D^{(\ast )}M$ decays

Yong-Yeon Keum, T. Kurimoto, H. -n. Li +2

While the factorization assumption works well for many two-body nonleptonic $B$ meson decay modes, the recent measurement of $\bar{B}\to D^{(\ast )0}{M}^0$ with $M=\pi$, $\rho$ and $\omega$ shows l…