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Discriminating neutrino see-saw models

Discriminating neutrino see-saw models
Discriminating neutrino see-saw models
We consider how well current theories can predict neutrino mass and mixing parameters, and construct a statistical discriminator which allows us to compare different models to each other. As an example we consider see-saw models based on family symmetry, and single right-handed neutrino dominance, and compare them to each other and to the case of neutrino anarchy with random entries in the neutrino Yukawa and Majorana mass matrices. The predictions depend crucially on the range of the undetermined coefficients over which we scan, and we speculate on how future theories might lead to more precise predictions for the coefficients and hence for neutrino observables. Our results indicate how accurately neutrino masses and mixing angles need to be measured by future experiments in order to discriminate between current models.
0370-2693
103-110
Hirsch, M.
c2099166-8726-47f2-9fed-631278642cd8
King, S.F.
f8c616b7-0336-4046-a943-700af83a1538
Hirsch, M.
c2099166-8726-47f2-9fed-631278642cd8
King, S.F.
f8c616b7-0336-4046-a943-700af83a1538

Hirsch, M. and King, S.F. (2001) Discriminating neutrino see-saw models. Physics Letters B, 516 (1-2), 103-110. (doi:10.1016/S0370-2693(01)00912-1).

Record type: Article

Abstract

We consider how well current theories can predict neutrino mass and mixing parameters, and construct a statistical discriminator which allows us to compare different models to each other. As an example we consider see-saw models based on family symmetry, and single right-handed neutrino dominance, and compare them to each other and to the case of neutrino anarchy with random entries in the neutrino Yukawa and Majorana mass matrices. The predictions depend crucially on the range of the undetermined coefficients over which we scan, and we speculate on how future theories might lead to more precise predictions for the coefficients and hence for neutrino observables. Our results indicate how accurately neutrino masses and mixing angles need to be measured by future experiments in order to discriminate between current models.

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Published date: 6 September 2001

Identifiers

Local EPrints ID: 57306
URI: http://eprints.soton.ac.uk/id/eprint/57306
ISSN: 0370-2693
PURE UUID: 577265aa-e507-4029-8f7f-a50072bc5ddc

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Date deposited: 14 Aug 2008
Last modified: 13 Mar 2019 20:34

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Contributors

Author: M. Hirsch
Author: S.F. King

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