Strong-interaction effects in parity violation inppscattering

Angular distributions have been calculated for the parity-violating longitudinal analyzing power $A_z$ from 15 to 800 MeV, based on the parity-violating mixings between phases such as ${}_{}{}^1{}_{}{}^{}\mathrm{S}_0^{}{}_{}{}^{}$ ${\mathrm{-}}^3$ ${\mathrm{P}}_0$, ${}_{}{}^3{}_{}{}^{}\mathrm{P}_2^{}{}_{}{}^{}$ ${\mathrm{-}}^1$ ${\mathrm{D}}_2$, etc. At low energies the angular distributions are isotropic (except for the Coulomb region) and only the ${}_{}{}^1{}_{}{}^{}\mathrm{S}_0^{}{}_{}{}^{}$ ${\mathrm{-}}^3$ ${\mathrm{P}}_0$ phases are important. At energies greater than 100 MeV, the angular distributions show structure due to the importance of higher-J mixings. At 800 MeV the higher-J mixings give contributions to the angular distribution which oscillate around zero and contribute little to the value of the angle-integrated $A_Z$, even though these contributions may have relatively large maxima at 90° (c.m.). The reversal in the sign of the angle-integrated $A_Z$ between low energies and 800 MeV comes about naturally from the phase shifts; thus this sign reversal is due solely to the strong-interaction contribution to the parity-violating interaction. Angular-dependence information will be required to separate the various contributions to $A_Z$ from the possible parity-violating mixings.