Higgs induced light leptoquark-diquark mixing and proton decay

Details Higgs induced light leptoquark-diquark mixing and proton decay Higgs induced light leptoquark-diquark mixing and proton decay

2000-03-23

arxiv.org/abs/hep-ph/0003229v1

Eur.Phys.J.C16:367-369,2000

Physics

High Energy Physics

High Energy Physics - Phenomenology

Plain Tex, 8 pages no figures

Scientific paper

10.1007/s100520050029

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 paper we present two specific examples where the higgs induced mixing between leptoquarks and diquarks through trilinear interaction terms reintroduces the troublesome couplings and gives rise to proton decay. The bound on the unknown parameters of this scenario that arise from proton life time has been derived.

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