Mass problem in the Standard Model

Abstract

We propose a new $\mathrm{SU}(3{)}_C\otimes \mathrm{SU}(2{)}_L\otimes \mathrm{U}(1{)}_Y\otimes \mathrm{U}(1{)}_X$ gauge model which is non universal respect to the three fermion families of the Standard Model. We introduce additional one top-like quark, two bottom-like quarks and three right handed neutrinos in order to have an anomaly free theory. We also consider additional three right handed neutrinos which are singlets respect to the gauge symmetry of the model to implement see saw mechanism and give masses to the light neutrinos according to the neutrino oscillation phenomenology. In the context of this horizontal gauge symmetry we find mass ansatz for leptons and quarks. In particular, from the analysis of solar, atmospheric, reactor and accelerator neutrino oscillation experiments, we get the allow region for the Yukawa couplings for the charge and neutral lepton sectors according with the mass squared differences and mixing angles for the two neutrino hierarchy schemes, normal and inverted.

arXiv commentConference proceedings from 6th International Conference on New Frontiers in Physics (ICNFP 2017) from August 17th to 29th of 2017 at the Conference Center of the Orthodox Academy of Creta (OAC) in Kolymbari (Crete), Greece

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Cited by in corpus (1)

• The 1932 Majorana equation: a forgotten but surprisingly modern particle theory