Desy 00-076 Predictions for Associated Production of Gauginos and Gluinos at Nlo in Susy-qcd

The search for supersymmetry (SUSY) is a major goal of the Tevatron Run II and LHC physics programs. If SUSY exists at the electroweak scale, SUSY partners of the Standard Model (SM) particles will either be discovered at these hadron colliders, or a very large region of SUSY parameter space will be excluded, provided reliable theoretical predictions in next-to-leading order (NLO) SUSY-QCD are available1,2,3,4. We calculate the NLO contributions for associated production of gauginos and gluinos at hadron colliders 5,6. This production channel is enhanced by the strong coupling of the gluino and by the mass of the gaugino which is small in many popular models of SUSY breaking. The leptonic decay of the gaugino makes this process a good candidate for a mass determination of the gluino or the discovery or exclusion of a light gluino.