2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/183125Radion stabilization is analyzed in 5-dimensional models with branes in the presence of Gauss-Bonnet interactions. The Goldberger-Wise mechanism is considered for static and inflating backgrounds. The necessary and sufficient conditions for stability are given for the static case. The influence of the Gauss-Bonnet term on the radion mass and the inter-brane distance is analyzed and illustrated by numerical examples. The interplay between the radion stabilization and the cosmological constant problem is discussed.25 pages, 4 figures, references added, to appear in Physical Review DHigh Energy Physics - TheoryHigh Energy Physics - Phenomenologytext