See-Saw Masses for Quarks and Leptons in SU(5)

Details See-Saw Masses for Quarks and Leptons in SU(5) See-Saw Masses for Quarks and Leptons in SU(5)

2010-10-11

arxiv.org/abs/1010.2116v3

JHEP 1104:043,2011

Physics

High Energy Physics

High Energy Physics - Phenomenology

15 pages, 4 figures (v3: outline restructured, modified mechanism to cancel anomalies)

Scientific paper

10.1007/JHEP04(2011)043

We build on a recent paper by Grinstein, Redi and Villadoro, where a see-saw like mechanism for quark masses was derived in the context of spontaneously broken gauged flavour symmetries. The see-saw mechanism is induced by heavy Dirac fermions which are added to the Standard Model spectrum in order to render the flavour symmetries anomaly-free. In this letter we report on the embedding of these fermions into multiplets of an SU(5) grand unified theory and discuss a number of interesting consequences.

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