2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/185327The introduction of mirror fermions with masses between the weak scale and 1 TeV could offer a dynamical origin to the standard-model electro-weak symmetry breaking mechanism. The purpose of this work is to study the dynamics needed in order to render models with such a fermion content phenomenologically acceptable.28 LaTeX pages, to appear in the Journal of Physics GHigh Energy Physics - PhenomenologyHigh Energy Physics - Theorytext