Low energy effects of Higgs induced leptoquark-diquark mixing

Details Low energy effects of Higgs induced leptoquark-diquark mixing Low energy effects of Higgs induced leptoquark-diquark mixing

1999-12-08

arxiv.org/abs/hep-ph/9912269v1

Physics

High Energy Physics

High Energy Physics - Phenomenology

Plain Tex, 8 pages, no figures

Scientific paper

In low energy phenomenology to avoid the strong constraints of proton decay it is usually assumed that light ($\approx $ 250 Gev) leptoquarks couple only to quark-lepton pairs and light diquarks couple only to quark pairs. In this work we show that the SM Higgs boson could induce a mixing between leptoquarks and diquarks through trilinear interaction terms which reintroduces the troublesome couplings and lead to proton decay. The bound on the unknown parameters of this scenario that arise from proton life time has also been derived.

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