Space-like and time-like pion-rho transition form factors in the light-cone formalism

Having calculated the light-cone wavefunction 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 fρ, the γ*π → ρ and γ*ρ → π transition form factors and especially the transition magnetic moments. By using two groups of constraint parameters, we predict the space-like and time-like form factors Fπρ(Q2) and Fρπ(Q2) at low and moderate energy scale and the electromagnetic radius of these transition processes. In addition, we extend our calculation to γ*π → ω space-like and time-like form factors by using the same sets of parameters