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Testing solar lepton mixing sum rules in neutrino oscillation experiments

Testing solar lepton mixing sum rules in neutrino oscillation experiments
Testing solar lepton mixing sum rules in neutrino oscillation experiments
Small discrete family symmetries such as S4, A4 or A5 may lead to simple leading-order predictions for the neutrino mixing matrix such as the bimaximal, tribimaximal or golden ratio mixing patterns, which may be brought into agreement with experimental data with the help of corrections from the charged-lepton sector. Such scenarios generally lead to relations among the parameters of the physical leptonic mixing matrix known as solar lepton mixing sum rules. In this article, we present a simple derivation of such solar sum rules, valid for arbitrary neutrino and charged lepton mixing angles and phases, assuming only {\theta}13^{\nu} = {\theta}13^e = 0. We discuss four leading-order neutrino mixing matrices with {\theta}13^{\nu} = 0 which are well motivated from family symmetry considerations. We then perform a phenomenological analysis of the scope to test the resulting four solar sum rules, highlighting the complementarity between next-generation neutrino oscillation experiments such as the reactor experiment JUNO and a superbeam experiment.
Neutrino Physics, Discrete and Finite Symmetries
1029-8479
Ballett, Peter
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King, Stephen F.
f8c616b7-0336-4046-a943-700af83a1538
Luhn, Christoph
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Pascoli, Silvia
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Schmidt, Michael A.
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Ballett, Peter
0bbdf25a-b2cc-4f63-9796-d86a1d1a314e
King, Stephen F.
f8c616b7-0336-4046-a943-700af83a1538
Luhn, Christoph
59a723a0-9d34-48e8-9b97-9d608ad196c8
Pascoli, Silvia
5cf2d5e5-b9bd-4884-8ba1-2fd4ddf4eb2e
Schmidt, Michael A.
1ab4d281-9ef5-46ab-a8d3-6dea1361afda

Ballett, Peter, King, Stephen F., Luhn, Christoph, Pascoli, Silvia and Schmidt, Michael A. (2014) Testing solar lepton mixing sum rules in neutrino oscillation experiments. Journal of High Energy Physics. (doi:10.1007/JHEP12(2014)122).

Record type: Article

Abstract

Small discrete family symmetries such as S4, A4 or A5 may lead to simple leading-order predictions for the neutrino mixing matrix such as the bimaximal, tribimaximal or golden ratio mixing patterns, which may be brought into agreement with experimental data with the help of corrections from the charged-lepton sector. Such scenarios generally lead to relations among the parameters of the physical leptonic mixing matrix known as solar lepton mixing sum rules. In this article, we present a simple derivation of such solar sum rules, valid for arbitrary neutrino and charged lepton mixing angles and phases, assuming only {\theta}13^{\nu} = {\theta}13^e = 0. We discuss four leading-order neutrino mixing matrices with {\theta}13^{\nu} = 0 which are well motivated from family symmetry considerations. We then perform a phenomenological analysis of the scope to test the resulting four solar sum rules, highlighting the complementarity between next-generation neutrino oscillation experiments such as the reactor experiment JUNO and a superbeam experiment.

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Published date: 17 December 2014
Additional Information: 26 pages, 7 figures
Keywords: Neutrino Physics, Discrete and Finite Symmetries
Organisations: Theory Group

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Local EPrints ID: 410260
URI: http://eprints.soton.ac.uk/id/eprint/410260
ISSN: 1029-8479
PURE UUID: 572156a1-abda-4c3a-8738-8abc34a42228

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Date deposited: 06 Jun 2017 04:03
Last modified: 25 Nov 2019 19:00

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