Same-sign dileptons as a signature for heavy Majorana neutrinos in hadron-hadron collisions

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We 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 B

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