2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/38264Evidence for Nucleon Decay has yet to be observed. Current results from the observation of a 45 kton-year exposure of Super-Kamiokande and lifetime limits for nucleons to decay via lepton + pion, lepton + eta and lepton + kaon modes are presented.7 pages, LaTeX 2.09, RevTeX. 16 EPS files included using epsf style. This is part of the proceedings for the DPF'99 Conference. Fixed some typosHigh Energy Physics - Experimenttext