What can we learn from $B\to a_1(1260)(b_1(1235))\pi (K)$ decays?

Wei Wang, Run-Hui Li, Cai-Dian Lü

We investigate the $B\to a_1(1260)(b_1(1235))\pi (K)$ decays under the factorization scheme and find many discrepancies between theoretical predictions and the experimental data. In t…