2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/43324We have developed the system for the automatic computation of cross-sections, {\tt GRACE/SUSY}, including the one-loop calculations for processes of the minimal supersymmetric extension of the the standard model. For an application, we investigate the pair-production of the heavy chargino in electron-positron collisions.7 pages, 2 figures, Talk presented by Jimbo, M. at QFTHEP2003High Energy Physics - Phenomenologytext