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Neutrino masses and mixing angles from leptoquark interactions

Uma Mahanta
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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 $π\to e\bar ν_e$.

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Uma Mahanta. 2000-05-19. Neutrino masses and mixing angles from leptoquark interactions. https://doi.org/10.1103/physrevd.62.073009

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