2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/38384Direct CP violation is studied in two pion decays of the neutral kaon. Using data collected in the first beam period in 1997, the result for the parameter Re(epsilon'/epsilon) is (18.5+/-4.5(stat)+/-5.8(syst))x10^(-4).7 pages, 7 figures, talk presented at EPS-HEP 99High Energy Physics - Experimenttext