A study of the corrections to factorization in ${\bar{B}}^0\to D^{\ast +}\omega {\pi }^{-}$

S. I. Eidelman, L. V. Kardapoltsev, D. V. Matvienko

A factorization hypothesis is tested by examining a form factor of the $\omega \pi$ production in hadronic $B^0\to D^{\ast \pm }\omega {\pi }^{\mp }$ decays. The form factor is compared to that from ava…