SUSY-QCD corrections to squark production and decays in e+e- annihilation
Abstract
We discuss the supersymmetric O(alphas) QCD corrections to e+ e- -> squarki + antisquarkj (i,j = 1,2) and to squarki -> q' + charginoj, q + neutralinok (i,j = 1,2; k = 1...4) within the Minimal Supersymmetric Standard Model. In particular we consider the squarks of the third generation stopi and sbottomi 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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