Revisiting the B→πρ, πω decays in the perturbative QCD approach beyond the leading orderZhou Rui, Gao Xiangdong and Cai-Dian LüEur. Phys. J. C, 72 3 (2012) 1923DOI: https://doi.org/10.1140/epjc/s10052-012-1923-3