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Flavour from accidental symmetries

Flavour from accidental symmetries
Flavour from accidental symmetries
We consider a new approach to fermion masses and mixings in which no special "horizontal" dynamics is invoked to account for the hierarchical pattern of charged fermion masses and for the peculiar features of neutrino masses. The hierarchy follows from the vertical, family-independent structure of the model, in particular from the breaking pattern of the Pati-Salam group. The lightness of the first two fermion families can be related to two family symmetries emerging in this context as accidental symmetries.
1-17
Ferretti, Luca
54e395ea-5fdf-4739-8ea3-93e0d033e2e5
King, Stephen F.
f8c616b7-0336-4046-a943-700af83a1538
Romanino, Andrea
6255e717-34d1-41f8-a9de-84474fdaf831
Ferretti, Luca
54e395ea-5fdf-4739-8ea3-93e0d033e2e5
King, Stephen F.
f8c616b7-0336-4046-a943-700af83a1538
Romanino, Andrea
6255e717-34d1-41f8-a9de-84474fdaf831

Ferretti, Luca, King, Stephen F. and Romanino, Andrea (2006) Flavour from accidental symmetries. Journal of High Energy Physics, 11 (78), 1-17. (doi:10.1088/1126-6708/2006/11/078).

Record type: Article

Abstract

We consider a new approach to fermion masses and mixings in which no special "horizontal" dynamics is invoked to account for the hierarchical pattern of charged fermion masses and for the peculiar features of neutrino masses. The hierarchy follows from the vertical, family-independent structure of the model, in particular from the breaking pattern of the Pati-Salam group. The lightness of the first two fermion families can be related to two family symmetries emerging in this context as accidental symmetries.

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Published date: 27 November 2006

Identifiers

Local EPrints ID: 57225
URI: http://eprints.soton.ac.uk/id/eprint/57225
PURE UUID: 7e80077a-017a-456c-8a6c-495ca6cd91b5

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Date deposited: 13 Aug 2008
Last modified: 28 Oct 2019 19:15

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Contributors

Author: Luca Ferretti
Author: Stephen F. King
Author: Andrea Romanino

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