2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/210545We discuss the neutralino dark matter within classes of extended supersymmetric models, referred to as the USSM, containing one additional SM singlet Higgs plus an extra Z', together with their superpartners the singlino and bino'.4 pages, 3 figs. Talk given at LCWS08, Chicago, IL, USA, 11/16-20/2008High Energy Physics - Phenomenologytext