Strong supersymmetric quantum effects on top quark production at the Fermilab Tevatron

Abstract

The supersymmetric QCD corrections to top quark pair production by q q annihilation in p p collisions are calculated in the minimal supersymmetric model. We consider effects of the mixing of the scalar top quarks on the corrections to the total t t production cross section at the Fermilab Tevatron. We found that such correction is less sensitive to squark mass and gluino mass than in no-mixing case, and in both cases the corrections can exceed 10\% even if we consider the recent CDF limit on squark and gluino masses.

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