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Tri-bimaximal neutrino mixing and ?13

Tri-bimaximal neutrino mixing and ?13
Tri-bimaximal neutrino mixing and ?13
We propose an extension of tri-bimaximal mixing to include a non-zero reactor angle ?13 while maintaining the tri-bimaximal predictions for the atmospheric angle ?23=45° and solar angle ?12=35°. We show how such tri-bimaximal-reactor mixing can arise at leading order from the (type I) see-saw mechanism with partially constrained sequential dominance. Partially constrained sequential dominance can be realized in GUT models with a non-Abelian discrete family symmetry, such as A4, spontaneously broken by flavons with a particular vacuum alignment.
0370-2693
347-351
King, S.F.
f8c616b7-0336-4046-a943-700af83a1538
King, S.F.
f8c616b7-0336-4046-a943-700af83a1538

King, S.F. (2009) Tri-bimaximal neutrino mixing and ?13. Physics Letters B, 675 (3-4), 347-351. (doi:10.1016/j.physletb.2009.04.031).

Record type: Article

Abstract

We propose an extension of tri-bimaximal mixing to include a non-zero reactor angle ?13 while maintaining the tri-bimaximal predictions for the atmospheric angle ?23=45° and solar angle ?12=35°. We show how such tri-bimaximal-reactor mixing can arise at leading order from the (type I) see-saw mechanism with partially constrained sequential dominance. Partially constrained sequential dominance can be realized in GUT models with a non-Abelian discrete family symmetry, such as A4, spontaneously broken by flavons with a particular vacuum alignment.

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Published date: 18 May 2009

Identifiers

Local EPrints ID: 154411
URI: http://eprints.soton.ac.uk/id/eprint/154411
ISSN: 0370-2693
PURE UUID: 5fd170bd-cf21-473a-b827-efd930719bf9

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Date deposited: 25 May 2010 10:16
Last modified: 02 Dec 2019 21:20

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