Helicity amplitudes for the small--angle process e^-e^{\pm}\to e^-γγ+ e^{\pm} with both photons along one direction and its cross channel

E. Kuraev, A. Schiller, V. Serbo +1

We study the small--angle double bremsstrahlung in $e^{-}{e}^{\pm }$ scattering for a jet kinematics where both photons move along the electron direction. This region gives the main contr…