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An S 4 × SU(5) SUSY GUT of flavour in 6d

An S 4 × SU(5) SUSY GUT of flavour in 6d
An S 4 × SU(5) SUSY GUT of flavour in 6d

We propose a 6d model with a SUSY SU(5) gauge symmetry. After compactification, it explains the origin of the S4 Family Symmetry with CSD3 vacuum alignment, as well as SU(5) breaking with doublet-triplet splitting. The model naturally accounts for all quark and lepton (including neutrino) masses and mixings, incorporating the highly predictive Littlest Seesaw structure. It spontaneously breaks CP symmetry, resulting in successful CP violation in the quark and lepton sectors, while solving the Strong CP problem. It also explains the Baryon Asymmetry of the Universe (BAU) through leptogenesis, with the leptogenesis phase directly linked to the Dirac and Majorana phases.

Discrete Symmetries, Field Theories in Higher Dimensions, GUT, Neutrino Physics
1126-6708
de Anda, Francisco J.
dbb27610-c99c-4727-9158-5a2c155f61de
King, Stephen F.
f8c616b7-0336-4046-a943-700af83a1538
de Anda, Francisco J.
dbb27610-c99c-4727-9158-5a2c155f61de
King, Stephen F.
f8c616b7-0336-4046-a943-700af83a1538

de Anda, Francisco J. and King, Stephen F. (2018) An S 4 × SU(5) SUSY GUT of flavour in 6d. Journal of High Energy Physics, 2018 (7), [57]. (doi:10.1007/JHEP07(2018)057).

Record type: Article

Abstract

We propose a 6d model with a SUSY SU(5) gauge symmetry. After compactification, it explains the origin of the S4 Family Symmetry with CSD3 vacuum alignment, as well as SU(5) breaking with doublet-triplet splitting. The model naturally accounts for all quark and lepton (including neutrino) masses and mixings, incorporating the highly predictive Littlest Seesaw structure. It spontaneously breaks CP symmetry, resulting in successful CP violation in the quark and lepton sectors, while solving the Strong CP problem. It also explains the Baryon Asymmetry of the Universe (BAU) through leptogenesis, with the leptogenesis phase directly linked to the Dirac and Majorana phases.

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Accepted/In Press date: 28 June 2018
e-pub ahead of print date: 9 July 2018
Published date: July 2018
Keywords: Discrete Symmetries, Field Theories in Higher Dimensions, GUT, Neutrino Physics

Identifiers

Local EPrints ID: 422612
URI: http://eprints.soton.ac.uk/id/eprint/422612
ISSN: 1126-6708
PURE UUID: 72f8c87f-25e0-4673-b2a6-e49920f32581

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Date deposited: 26 Jul 2018 16:30
Last modified: 14 Sep 2021 18:20

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