2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/138642We report a precise measurement of the Omega_c^0 lifetime. The data were taken by the SELEX (E781) experiment using 600 GeV/c Sigma-, pi- and p beams. The measurement has been made using 83+/-19 reconstructed Omega_c^0 in the Omega- pi- pi+ pi+ and Omega- pi+ decay modes. The lifetime of the Omega_c^0 is measured to be 65 +/- 13(stat) +/- 9(sys) fs.Submitted to PLBHigh Energy Physics - Experimenttext