Domain wall fermion calculation of nucleon g(A)/g(V)

We present a preliminary domain-wall fermion lattice-QCD calculation of iso vector vector and axial charges, g(V) and g(A), of the nucleon. Since the l attice renormalizations, Z(V) and Z(A), of the currents are identical with DWF, the lattice ratio (g(A)/g(V))(lattice) directly yields the continuum v alue. Indeed Z(V) determined from the matrix element of the vector current agrees closely with Z(A) from a non-perturbative renormalization study of q uark bilinears. We also obtain spin related quantities Deltaq/g(V) and delt aq/g(V).