Universality of Yukawa Couplings Confronts Recent Neutrino Data

Details Universality of Yukawa Couplings Confronts Recent Neutrino Data Universality of Yukawa Couplings Confronts Recent Neutrino Data

2003-11-26

arxiv.org/abs/hep-ph/0311348v1

Nucl.Phys. B686 (2004) 188-204

Physics

High Energy Physics

High Energy Physics - Phenomenology

22 Pages, 5 Figures

Scientific paper

10.1016/j.nuclphysb.2004.03.001

We propose a flavour structure for the leptonic sector of the Standard Model, based on the idea of universality of Yukawa couplings, which accommodates all the experimental data on neutrino masses and mixing, at the same time predicting specific correlations between low energy measurable quantities, such as the ratio of neutrino squared mass differences, $|U_{13}|$, the leptonic Dirac phase, and the double-beta decay mass parameter. We also point out that it is possible, in this framework, to generate a sufficient amount of baryon asymmetry of the Universe through leptogenesis.

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