2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/206402$τ$ leptons emitted in cascade decays of supersymmetric particles are polarized. The polarization may be exploited to determine spin and mixing properties of the neutralinos and stau particles involved.11 pages, 4 figures, axodraw.sty usedHigh Energy Physics - PhenomenologyHigh Energy Physics - Experimenttext