2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/148013A combined analysis for Z boson observables and the quantity Δr within the framework of the Minimal Supersymmetric Standard Model is presented. Contributions from supersymmetric particles are discussed and upper and lower bounds for the MSSM predictions are given.replacement is to fix tex errorsHigh Energy Physics - Phenomenologytext