Space-like and time-like pion–rho transition form factors in the light-cone formalism
Space-like and time-like pion–rho transition form factors in the light-cone formalism
Having calculated the light-cone wave function of the pseudoscalar meson by using two equivalent and fully covariant methods, we generalize such methods to the valence Fock states of the vector meson in the light-cone formalism. We investigate the decay constant of the $ρ$ meson $f_ρ$, the $γ^{\ast} π\to ρ$ and …