Testing coupling relations in SUSY-QCD at a Linear Collider
نویسنده
چکیده
Supersymmetry predicts that gauge couplings are equal to the corresponding gauginosfermion-fermion Yukawa couplings. This prediction can be tested for the QCD sector of the MSSM by studying the processes e+e− → squark+antisquark+gluon and e+e− → squark+antiquark+gluino at a future linear collider. We present results for these processes at next-to-leading order in αs in the framework of the MSSM. We find sizable SUSY-QCD corrections. The renormalization scale dependence is significantly reduced at next-to-leading order. Talk presented by A. Brandenburg at the 10th International Conference on Supersymmetry and Unification of Fundamental Interactions (SUSY02), June 17-23, 2002, DESY Hamburg. †supported by a Heisenberg fellowship of D.F.G.
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