Parity-violating asymmetry in nucleon-nucleon scattering at higher energies

Abstract

The parity-violating asymmetry of the total cross section for the scattering of longitudinally polarized nucleons from unpolarized proton targets is calculated for energies of 300 MeV-20 GeV. One-pion, $\ensuremath{\rho}$, and $\ensuremath{\omega}$ exchanges are included in the computation of the weak force between nucleons. Below energies of roughly 1 GeV, the Watson theorem is adapted to compute the asymmetry. At higher energies an absorptive model is used to take into account hadronic distortion effects.