SUSY-QCD corrections to squark production and decays in e+e- annihilation

Details SUSY-QCD corrections to squark production and decays in e+e- annihilation SUSY-QCD corrections to squark production and decays in e+e- annihilation

1997-11-25

arxiv.org/abs/hep-ph/9711464v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Talk presented by W. Majerotto at the International Workshop on Quantum Effects in the MSSM, September 9 - 13, 1997, Barcelona

Scientific paper

We discuss the supersymmetric O(alpha_s) QCD corrections to e+ e- -> squark_i + antisquark_j (i,j = 1,2) and to squark_i -> q' + chargino_j, q + neutralino_k (i,j = 1,2; k = 1...4) within the Minimal Supersymmetric Standard Model. In particular we consider the squarks of the third generation stop_i and sbottom_i including the left-right mixing. In the on-shell scheme also the mixing angle has to be renormalized. We use dimensional reduction (which preserves supersymmetry) and compare it with the conventional dimensional regularization. A detailed numerical analysis is also presented.

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