2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/195925The paper is devoted to the calculation of additional two-loop O(α_s^2) MSSM corrections to the relation between the pole mass of the t-quark and its running mass in the DR scheme. The value of the second order contribution from large mass expansion is studied. As a by-product we calcutated two-loop anomalous dimension of the running quark DR-mass in the supersymmetric QCD.AMS-LaTeX, 12 pages, 7 PostScript figuresHigh Energy Physics - Phenomenologytext