2026-07-072026-07-07http://salesiana.dossiersoluciones.com/handle/123456789/179131We discuss the possibility of same-sign dileptons as a signature for Majorana neutrinos. The production mechanism is given by a single heavy neutrino production and decay proton-proton -> l^{\pm} N X -> l^{\pm} l^{\pm} X'. Cross section and distributions are presented for the LHC energies.07 pages, LaTeX; to be published in Physics Letters BHigh Energy Physics - Phenomenologytext