Parity-violating hard photon bremsstrahlung in electron-proton scattering
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Mr. Aleksandrs Aleksejevs University of Manitoba 

One way to treat the infrared divergences of the electroweak radiative
corrections to parity-violating (PV) electron-proton scattering is by
adding PV soft-photon emission graphs. Although reasonable, the
results are left with a logarithmic dependence on the photon detector
acceptance, which can only be eliminated by considering PV hard photon
bremsstrahlung (HPB) graphs. We have computed PV HPB differential
cross sections for electron-proton scattering using the experimental
values of form factors in the diagram vertices. The final results are
conveniently expressed through kinematical parameters, making it
possible to apply the computed HPB asymmetries for a virtually any PV
electron-nucleon scattering process.