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Fermion masses and mixing angles from SU(3) family symmetry and unification

Fermion masses and mixing angles from SU(3) family symmetry and unification
Fermion masses and mixing angles from SU(3) family symmetry and unification
We develop a bottom–up approach to constructing a theory of fermion masses and mixing angles based on the gauge group SU(3)×G where SU(3) is a family symmetry and G contains a unified group such as SO(10) or its Pati–Salam subgroup, together with other discrete symmetries. We construct a realistic model and show that it can provide an excellent description of quark and lepton masses and mixing angles, including almost maximal atmospheric mixing and the LMA MSW solar neutrino solution. We predict a neutrino mixing angle ?13 near the current limit. The model provides the basis for a new solution to the flavour problem with a characteristic soft SUSY breaking mass spectrum.
0370-2693
239-252
King, S F.
f8c616b7-0336-4046-a943-700af83a1538
Ross, G.G.
d58064ce-8a29-4bfc-b438-ef29b0a16bcb
King, S F.
f8c616b7-0336-4046-a943-700af83a1538
Ross, G.G.
d58064ce-8a29-4bfc-b438-ef29b0a16bcb

King, S F. and Ross, G.G. (2003) Fermion masses and mixing angles from SU(3) family symmetry and unification. Physics Letters B, 574 (3-4), 239-252. (doi:10.1016/j.physletb.2003.09.027).

Record type: Article

Abstract

We develop a bottom–up approach to constructing a theory of fermion masses and mixing angles based on the gauge group SU(3)×G where SU(3) is a family symmetry and G contains a unified group such as SO(10) or its Pati–Salam subgroup, together with other discrete symmetries. We construct a realistic model and show that it can provide an excellent description of quark and lepton masses and mixing angles, including almost maximal atmospheric mixing and the LMA MSW solar neutrino solution. We predict a neutrino mixing angle ?13 near the current limit. The model provides the basis for a new solution to the flavour problem with a characteristic soft SUSY breaking mass spectrum.

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More information

Submitted date: 27 July 2003
Published date: 13 November 2003
Organisations: Physics & Astronomy

Identifiers

Local EPrints ID: 57394
URI: http://eprints.soton.ac.uk/id/eprint/57394
ISSN: 0370-2693
PURE UUID: 0ec98a28-98e4-4ef1-aefd-7332d9891736

Catalogue record

Date deposited: 14 Aug 2008
Last modified: 13 Mar 2019 20:34

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