%0 Journal Article
%T Parity violating pion electroproduction off the nucleon
%A H. -W. Hammer
%A D. Drechsel
%J Physics
%D 1995
%I arXiv
%R 10.1007/BF01292338
%X Parity violating (PV) contributions due to interference between $\gamma$ and $Z^0$ exchange are calculated for pion electroproduction off the nucleon. A phenomenological model with effective Lagrangians is used to determine the resulting asymmetry for the energy region between threshold and $\Delta(1232)$ resonance. The $\Delta$ resonance is treated as a Rarita-Schwinger field with phenomenological $N \Delta$ transition currents. The background contributions are given by the usual Born terms using the pseudovector $\pi N$ Lagrangian. Numerical results for the asymmetry are presented.
%U http://arxiv.org/abs/nucl-th/9508014v1