$$\rho $$–Meson Form-factors in Point form of Poincaré-Invariant Quantum Mechanics

Abstract Form-factors investigation of $$\rho ^{\pm }$$ ρ ± –mesons was carried out within the framework relativistic quark model, based on point form Poincaré-invariant quantum mechanics taking into account internal structure constituent quarks. It is shown that parameters model obtained from condition agreement theoretical calculations with experimental data leptonic decays for light $$\pi π — and lead to results correlating in models light-front instant forms dynamics. The proposed scheme combined description lepton transitions pseudoscalar vector mesons dynamics, leads magnetic moment –meson other models.