2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/49281The rare decay K_L -> pi pi e e that has recently been observed by KTeV is analyzed in chiral perturbation theory at the one-loop level.11 pages, latex, 7 figs. Talk presented at Kaon99, University of Chicago, June 1999High Energy Physics - Phenomenologytext