2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/40453There is the scale problem in the Randall-Sundrum models. Regarding this, I review the works done with B. S. Kyae and H. M. Lee. In a supersymmetric generalization in the RSI model, we discuss that the $μ$ parameter can be obtained by an intermediate scale brane. In addition, we also discuss the cosmological constant problem with a self-tuning solution in the RSII model.8 pages including 3 eps figures. Talk presented at CICHEP, Cairo, Egypt, Jan. 9--13, 2001High Energy Physics - Phenomenologytext