New evaluation of the strongΔΔπcoupling constant and the weak axial-vector coupling constant[gA(0)]ΔΔ

We calculate the strong ..delta delta pi.. coupling constant g/sup 2//4..pi.. and the weak axial-vector coupling constant (g/sub A/(0))/sub DeltaDelta/ without using SU(6) symmetry. The method is based on the dynamical ansatz of level realization of asymptotic flavor SU(2) symmetry, applied to the charge-charge and charge-current SU(2)xSU(2) chiral algebras. We predict that g/sup 2//4..pi..approx. =125 and (g/sub A/(0))++..delta../sup +/approx. =1.30.