Revisiting the B {\to} π ρ, π ω Decays in the Perturbative QCD Approach Beyond the Leading Order

Zhou Rui, Gao Xiangdong, Cai-Dian Lu

We calculate the branching ratios and CP asymmetries of the $B\to \pi \rho$, $\pi \omega$ decays in the perturbative QCD factorization approach up to the next-to-leading-order contributions. We…