2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/228195Bose-Einstein correlations of identical charged-pion pairs produced in hadronic Z decays are analyzed in terms of various parametrizations. The tau-model with a one-sided Lévy proper-time distribution provides a good description, enabling the source function to be reconstructed.High Energy Physics - Experimenttext