Based on the generalized hidden local symmetry in the chiral nonlinear σ model, I present a unified description of the π, ρ, and $A_1$ mesons coupled to the gauge bosons of the Glashow-Salam-Weinberg model, which relates various approaches including the old massive Yang-Mills Lagrangian.

• Received 27 August 1986

DOI:https://doi.org/10.1103/PhysRevD.35.412