Full O(alpha) corrections to e+e- -> sf_i sf_j

Details Full O(alpha) corrections to e+e- -> sf_i sf_j Full O(alpha) corrections to e+e- -> sf_i sf_j

2005-06-03

arxiv.org/abs/hep-ph/0506021v1

Phys.Rev. D72 (2005) 053010

Physics

High Energy Physics

High Energy Physics - Phenomenology

32 pages, 24 figures, RevTeX4

Scientific paper

10.1103/PhysRevD.72.053010

We present a complete precision analysis of the sfermion pair production process e+e- -> sf_i sf_j (f = t, b, tau, nu_tau) in the Minimal Supersymmetric Standard Model. Our results extend the previously calculated weak corrections by including all one-loop corrections together with higher order QED corrections. We present the details of the analytical calculation and discuss the renormalization scheme. The numerical analysis shows the results for total cross-sections, forward-backward and left-right asymmetries. It is based on the SPS1a' point from the SPA project. The complete corrections are about 10% and have to be taken into account in a high precision analysis.

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