Abstract
We give a unified account of single-pion photo-, electro-, and weak production. The emphases of the paper are fourfold: (1) We give a detailed kinematic discussion of single-pion electro- and weak-production; (2) we develop a dynamical model for electroproduction and weak production in the (3,3) resonance region, based on the CGLN model for photoproduction; (3) we systematically discuss the partially-conserved axail-vector current (PCAC) and current-algebra constraints which relate the single-pion electro- and weak-production matrix elements to the matrix elements for other processes; (4) we compare our model with experiment.
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