2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/39867The hypothesis of sigma meson pole dominance in the Delta I = 1/2 K -> pi pi amplitudes is tested by using the K_L-K_S mass difference.7 pages, 1 figureHigh Energy Physics - PhenomenologyContribution of sigma meson pole to K_L-K_S mass differencetext