The reaction vd --> mu(-)Delta(++)n is studied in the region of low q(2) to
investigate the effect of deuteron structure and width of the Delta resona
nce on the differential cross section. The results are used to extract the
axial vector N-Delta coupling C-5(A) from the experimental data on this rea
ction. The possibility to determine this coupling from electroweak interact
ion experiments with high intensity electron accelerators is discussed. [S0
556-2813(99)01506-X].