Masses and couplings of vector mesons from the pion electromagnetic, weak, and πγtransition form factors

D. Melikhov, O. Nachtmann, V. Nikonov +1

We analyse the pion electromagnetic, charged-current, and $\pi \gamma$ transition form factors at timelike momentum transfers $q$, $q^2=s\le 1.4$ GeV${}^2$, using a dispersion approach. We d…