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The possibility of discovering heavy Majorana neutrinos and lepton numberviolation via the like sign dilepton signal at hadron super- colliders isinvestigated. The cross-sections for the production of these neutrinos singlyas well as in pairs are computed both in three and four generation scenarioswithin the framework of the gauge group $SU(2)_L \otimes U(1)_Y$ and thedominant processes are identified. The suppression of the Standard modelbackground by suitable kinematical cuts is also discussed.Comment: 29 p.(5 figs. available upon request), LaTeX, RAL/93-07

Probing lepton number violation via Majorana neutrinos at hadron supercolliders