A comparison of the omega-pi form factor from B meson decays with e+e- and tau data finds no statistically significant deviation from QCD factorization in the color-favored channel.
$g_{\omega\rho\pi}$ reexamined
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abstract
The transition constant for the hadronic decay $\omega \rightarrow \rho\pi$ is investigated by means of QCD sum rules in external axial field. The obtained value for $g_{\omega\rho\pi}$ is about 16 GeV${}^{-1}$ that is in a good agreement with experimental data.
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A study of the corrections to factorization in $\bar{B}^0 \to D^{* +} \omega \pi^-$
A comparison of the omega-pi form factor from B meson decays with e+e- and tau data finds no statistically significant deviation from QCD factorization in the color-favored channel.