Axial-vector mesons from $\tau \to AP{\nu }_{\tau }$ decays

G. Calderon, J. H. Munoz, C. E. Vera

Axial-vector mesons $a_1(1260)$, $f_1(1285)$, $h_1(1170)$, $K_1(1270)$, and $K_1(1400)$ can be produced in semileptonic $\tau \to AP{\nu }_{\tau }$ decays, where $P$ stands for the pseudoscalar…