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Phenomenological implications of a minimal F-theory GUT with discrete symmetry

Phenomenological implications of a minimal F-theory GUT with discrete symmetry
Phenomenological implications of a minimal F-theory GUT with discrete symmetry
We discuss the origin of both non-Abelian discrete family symmetry and Abelian continuous family symmetry, as well as matter parity, from F-theory SUSY GUTs. We propose a minimal model based on the smallest GUT group $SU(5)$, together with the non-Abelian family symmetry $D_4$ plus an Abelian family symmetry, where fluxes are responsible for doublet-triplet splitting, leading to a realistic low energy spectrum with phenomenologically acceptable quark and lepton masses and mixing. We show how a $Z_2$ matter parity emerging from F-theory can suppress proton decay while allowing neutron-antineutron oscillations, providing a distinctive signature of the set-up.
hep-ph
1029-8479
Karozas, Athanasios
06658c57-d972-41c7-903c-3b239d10f059
King, Stephen F.
f8c616b7-0336-4046-a943-700af83a1538
Leontaris, George K.
f4bef063-d030-4e71-a2aa-a046297e31cf
Meadowcroft, Andrew K.
c3eef4ca-56ac-4957-9d8d-11aeaebc2d2c
Karozas, Athanasios
06658c57-d972-41c7-903c-3b239d10f059
King, Stephen F.
f8c616b7-0336-4046-a943-700af83a1538
Leontaris, George K.
f4bef063-d030-4e71-a2aa-a046297e31cf
Meadowcroft, Andrew K.
c3eef4ca-56ac-4957-9d8d-11aeaebc2d2c

Karozas, Athanasios, King, Stephen F., Leontaris, George K. and Meadowcroft, Andrew K. (2015) Phenomenological implications of a minimal F-theory GUT with discrete symmetry. The Journal of High Energy Physics. (doi:10.1007/JHEP10(2015)041).

Record type: Article

Abstract

We discuss the origin of both non-Abelian discrete family symmetry and Abelian continuous family symmetry, as well as matter parity, from F-theory SUSY GUTs. We propose a minimal model based on the smallest GUT group $SU(5)$, together with the non-Abelian family symmetry $D_4$ plus an Abelian family symmetry, where fluxes are responsible for doublet-triplet splitting, leading to a realistic low energy spectrum with phenomenologically acceptable quark and lepton masses and mixing. We show how a $Z_2$ matter parity emerging from F-theory can suppress proton decay while allowing neutron-antineutron oscillations, providing a distinctive signature of the set-up.

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Published date: 7 October 2015
Additional Information: 61 pages, 8 figures, revised version, results unchanged
Keywords: hep-ph
Organisations: Physics & Astronomy, Theory Group

Identifiers

Local EPrints ID: 408693
URI: http://eprints.soton.ac.uk/id/eprint/408693
ISSN: 1029-8479
PURE UUID: 7578e482-6d17-4152-bbcc-4819a9c8ac3c

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Date deposited: 26 May 2017 04:02
Last modified: 19 Jul 2019 18:18

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