2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/185183We investigated the electroweak corrections from one-loop diagrams involving the third generation (s)quarks to the decay width of process $\tildeχ_1^+ \to W^+ \tildeχ_1^{0}$ in the framework of the Minimal Supersymmetric Standard Model. Our calculation shows that these corrections are not very sensitive to the mass of the lightest neutralino $\tildeχ_1^{0}$ and the sbottom mixing angle $θ_{b}$, but depend strongly on the top squark mixing angle $θ_{t}$ and tan$β$. With our chosen parameters, we find that these radiative corrections can exceed 10%, therefore they should be taken into account for the precise experimental measurement at future colliders.20 pages, 7 eps figures (to be published in J. Phys. G)High Energy Physics - Phenomenologytext