Neutrino masses and mixing angles from leptoquark interactions
Uma Mahanta
Abstract
In this paper we show that the mixing between leptoquarks (LQ's) from different SU(2)l multiplets can generate a non-trivial Majorana mass matrix for neutrinos through one loop self energy diagrams. Such mixing can arise from gauge invariant and renormalizable LQ-Higgs interaction terms after EW symmetry breaking. We use the experimental indication on neutrino oscillation to find constraints on specific combinations of LQ couplings to quark-lepton pairs and to the SM higgs boson. These constraints are compared with the ones from π e νe.
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