Second order contributions to elastic large-angle Bhabha scattering cross-section
High Energy Physics - Phenomenology
2009-10-31 v2
Abstract
The cross-section of (quasi-)elastic large-angle electron-positron scattering at high energies is calculated. Radiative corrections of the orders O(\alpha^2 L^2) and O(\alpha^2 L), besides pure two-loop box contributions, are explicitly calculated. In the second order we considered the following sources of corrections: 1) Virtual photonic corrections coming from squares of 1-loop level amplitudes and their relevant interferences (vertex-type and box-type Feynman diagrams). 2) Double soft photon emission and one-loop corrections to single soft photon emission. The results are presented in an analytical form.
Keywords
Cite
@article{arxiv.hep-ph/9806215,
title = {Second order contributions to elastic large-angle Bhabha scattering cross-section},
author = {A. B. Arbuzov and E. A. Kuraev and B. G. Shaikhatdenov},
journal= {arXiv preprint arXiv:hep-ph/9806215},
year = {2009}
}
Comments
14 pp, LaTeX 2.09, typos fixed, submitted to Int.J.Mod.Phys. A