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Mu-tau symmetry and the Littlest Seesaw

Mu-tau symmetry and the Littlest Seesaw
Mu-tau symmetry and the Littlest Seesaw

Motivated by the latest neutrino oscillation data which is consistent with maximal atmospheric mixing and maximal leptonic CP violation, we review various results in μτ symmetry, then include several new observations and clarifications, including identifying a new general form of neutrino mass matrix with μτ symmetry. We then apply the new results to the neutrino mass matrix associated with the Littlest Seesaw model, and show that it approximately satisfies the new general form with μτ symmetry, and that this is responsible for its approximate predictions of maximal atmospheric mixing and maximal CP violation in the lepton sector.

0370-2693
391-398
King, Stephen F.
f8c616b7-0336-4046-a943-700af83a1538
Nishi, Celso C.
a474f13b-4c4a-4823-88df-6f237e2824d0
King, Stephen F.
f8c616b7-0336-4046-a943-700af83a1538
Nishi, Celso C.
a474f13b-4c4a-4823-88df-6f237e2824d0

King, Stephen F. and Nishi, Celso C. (2018) Mu-tau symmetry and the Littlest Seesaw. Physics Letters, Section B: Nuclear, Elementary Particle and High-Energy Physics, 785, 391-398. (doi:10.1016/j.physletb.2018.08.056).

Record type: Article

Abstract

Motivated by the latest neutrino oscillation data which is consistent with maximal atmospheric mixing and maximal leptonic CP violation, we review various results in μτ symmetry, then include several new observations and clarifications, including identifying a new general form of neutrino mass matrix with μτ symmetry. We then apply the new results to the neutrino mass matrix associated with the Littlest Seesaw model, and show that it approximately satisfies the new general form with μτ symmetry, and that this is responsible for its approximate predictions of maximal atmospheric mixing and maximal CP violation in the lepton sector.

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Accepted/In Press date: 17 August 2018
e-pub ahead of print date: 30 August 2018
Published date: 10 October 2018

Identifiers

Local EPrints ID: 423766
URI: http://eprints.soton.ac.uk/id/eprint/423766
ISSN: 0370-2693
PURE UUID: c8dc5b25-fe8b-448b-a437-206701736277

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Date deposited: 01 Oct 2018 16:30
Last modified: 07 Oct 2020 00:50

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Contributors

Author: Stephen F. King
Author: Celso C. Nishi

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