Current tensor with heavy photon for hard pair production by longitudinally polarized electron
M. I. Konchatnij, N. P. Merenkov, O. N. Shekhovzova
Abstract
The electron current tensor for the scattering of heavy photon on longitudinally polarized electron accompanied with additional hard electron-positron pair has been considered. The contribution of collinear and semicollinear kinematics is computed. The full analysis of both, spin-dependent and spin-independend parts of electron current tensor, is performed. The obtained result allows to calculate the corresponding contribution into the second order radiative correction to cross-sections of different processes with the next-to-leading accuracy.
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