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A SUSY GUT of flavour with S4 × SU(5) to NLO

A SUSY GUT of flavour with S4 × SU(5) to NLO
A SUSY GUT of flavour with S4 × SU(5) to NLO
We construct a Supersymmetric (SUSY) Grand Unified Theory (GUT) of Flavour based on S 4 × SU(5), together with an additional (global or local) Abelian symmetry, and study it to next-to-leading order (NLO) accuracy. The model includes a successful description of quark and lepton masses and mixing angles at leading order (LO) incorporating the Gatto-Sartori-Tonin (GST) relation and the Georgi-Jarlskog (GJ) relations. We study the vacuum alignment arising from F-terms to NLO and such corrections are shown to have a negligible effect on the results for fermion masses and mixings achieved at LO. Tri-bimaximal (TB) mixing in the neutrino sector is predicted very accurately up to NLO corrections of order 0.1%. Including charged lepton mixing corrections implies small deviations from TB mixing described by a precise sum rule, accurately maximal atmospheric mixing and a reactor mixing angle close to three degrees.
beyond standard model, neutrino physics, gut, discrete and finite symmetries
48
Hagedorn, Claudia
24cde5af-b97e-4c75-a45e-95286b204da5
King, Stephen F.
f8c616b7-0336-4046-a943-700af83a1538
Luhn, Christoph
59a723a0-9d34-48e8-9b97-9d608ad196c8
Hagedorn, Claudia
24cde5af-b97e-4c75-a45e-95286b204da5
King, Stephen F.
f8c616b7-0336-4046-a943-700af83a1538
Luhn, Christoph
59a723a0-9d34-48e8-9b97-9d608ad196c8

Hagedorn, Claudia, King, Stephen F. and Luhn, Christoph (2010) A SUSY GUT of flavour with S4 × SU(5) to NLO. Journal of High Energy Physics, 2010 (6), 48. (doi:10.1007/JHEP06(2010)048).

Record type: Article

Abstract

We construct a Supersymmetric (SUSY) Grand Unified Theory (GUT) of Flavour based on S 4 × SU(5), together with an additional (global or local) Abelian symmetry, and study it to next-to-leading order (NLO) accuracy. The model includes a successful description of quark and lepton masses and mixing angles at leading order (LO) incorporating the Gatto-Sartori-Tonin (GST) relation and the Georgi-Jarlskog (GJ) relations. We study the vacuum alignment arising from F-terms to NLO and such corrections are shown to have a negligible effect on the results for fermion masses and mixings achieved at LO. Tri-bimaximal (TB) mixing in the neutrino sector is predicted very accurately up to NLO corrections of order 0.1%. Including charged lepton mixing corrections implies small deviations from TB mixing described by a precise sum rule, accurately maximal atmospheric mixing and a reactor mixing angle close to three degrees.

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More information

Published date: June 2010
Keywords: beyond standard model, neutrino physics, gut, discrete and finite symmetries
Organisations: High Energy Physics

Identifiers

Local EPrints ID: 179049
URI: http://eprints.soton.ac.uk/id/eprint/179049
PURE UUID: b1e0ff56-f195-4268-b7c7-7e5d56eca8af

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Date deposited: 26 Apr 2011 14:51
Last modified: 30 Jul 2019 19:06

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