Semileptonic $B$ and $B_s$ decays involving scalar and axial-vector mesons

Xian-Wei Kang, Tao Luo, Yi Zhang +2

We report our theoretical calculations on the branching fractions for the semileptonic $B$ and $B_s$ decays, i.e., $B(B_s)\to (P,V,S,A)\ell {\nu }_{\ell }$, where $P$ and $V$ de…