2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/222889We predict the contribution of scalar unparticle to the branching ratios of the lepton flavor conserving Z -> l^+ l^- decays and we study the discrepancy between the experimental and the QED corrected standard model branching ratios. We observe that these decays are sensitive to the unparticle scaling dimension d_u for its small values, especially for heavy lepton flavor output.18 pages, 1 table, 7 figuresHigh Energy Physics - Phenomenologytext