P-violating effects in low-energy Compton scattering
  Parity of effects induced by one loop corrections of Standard model of   Compton scattering are considered. We note the main effects arise from W contributions. Keeping in the mind scheme independent gauge invariance amplitude we calculated the one spin asymmetries for the case when initial electron is polarized and the case of circular polarized photon. They are of order $10^{-13}$. 
E.Bartos, V.Bytev, E.Kuraev