Neutrinoless double beta decays of the top quark and other effects of heavy Majorana neutrinos

Details Neutrinoless double beta decays of the top quark and other effects of heavy Majorana neutrinos Neutrinoless double beta decays of the top quark and other effects of heavy Majorana neutrinos

2009-02-26

arxiv.org/abs/0902.4622v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

To appear in Proceedings of Physics at LHC, 29 September - October 4, 2008, Split, Croatia. 6 pages, 2 figures

Scientific paper

We discuss the rare decay of the top quark into a pair of same charge leptons (with identical or different flavors), a b quark and a (real or virtual) W-. The above process proceeds only if the exchanged neutrino N is of the Majorana type. This decay is the neutrinoless double b decay of the top. We find measurable values for its rate at the LHC with luminosity of 100 inverse fb. Furthermore, we consider an interaction of charged Higgs bosons with N which leads to lepton number violating processes such as pp to l+ N to l+ l+ H-, exhibiting spectacular events of the type: l+ l+ b b(bar) + 2 jets.

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