2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/45358The idea of a strongly interacting sector as responsible for the electroweak symmetry breaking is tested through an effective lagrangian description, called the BESS model, constructed on the standing point of custodial symmetry and gauge invariance, without specifing any dynamical scheme.17 pages,LaTeXHigh Energy Physics - Phenomenologytext