See-saw masses for quarks and leptons in SU(5)

See-saw masses for quarks and leptons in SU(5),10.1007/JHEP04(2011)043,Journal of High Energy Physics,Thorsten Feldmann

See-saw masses for quarks and leptons in SU(5)   (Citations: 1)
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We build on a recent paper by Grinstein, Redi and Villadoro, where a seesaw 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.
Journal: Journal of High Energy Physics - J HIGH ENERGY PHYS , vol. 2011, no. 4, pp. 1-16, 2011
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