Smallangle electronpositron scattering with a per mille accuracy
Abstract
The elastic and inelastic highenergy smallangle electronpositron scattering is considered. All radiative corrections to the cross section with the relative accuracy δσ/ σ = 0.1% are explicitly taken into account. According to the generalized eikonal representation for the elastic amplitude, in higher orders only diagrams with one exchanged photon may be considered. Singlephoton emission with radiative corrections and nexttoleading twophoton and pair production diagrams are evaluated, together with leading threeloop corrections. All contributions have been calculated analytically. We integrate the calculated distributions over typical for LEP 1 experiments intervals of angles and energies. To the leading approximation, the results are shown to be described in terms of kernels of electron structure functions. Some numerical results are presented.
 Publication:

Nuclear Physics B
 Pub Date:
 February 1997
 DOI:
 10.1016/S05503213(96)004907
 arXiv:
 arXiv:hepph/9512344
 Bibcode:
 1997NuPhB.485..457A
 Keywords:

 High Energy Physics  Phenomenology
 EPrint:
 46 pages, Latex file. Replacement file (Text slightly modified and misprints corrected). To be published in Nuclear Physics B.