Littlest inverse seesaw model
Littlest inverse seesaw model
We propose a minimal predictive inverse seesaw model based on two right-handed neutrinos and two additional singlets, leading to the same low energy neutrino mass matrix as in the Littlest Seesaw (LS) (type I) model. In order to implement such a Littlest Inverse Seesaw (LIS) model, we have used an S4 family symmetry, together with other various symmetries, flavons and driving fields. The resulting LIS model leads to an excellent fit to the low energy neutrino parameters, including the prediction of a normal neutrino mass ordering, exactly as in the usual LS model. However, unlike the LS model, the LIS model allows charged lepton flavor violating (CLFV) processes and lepton conversion in nuclei within reach of the forthcoming experiments.
Cárcamo Hernández, A.E.
22322ed8-1d6d-490c-9aa0-11f69697c402
King, S.F.
f8c616b7-0336-4046-a943-700af83a1538
1 April 2020
Cárcamo Hernández, A.E.
22322ed8-1d6d-490c-9aa0-11f69697c402
King, S.F.
f8c616b7-0336-4046-a943-700af83a1538
Abstract
We propose a minimal predictive inverse seesaw model based on two right-handed neutrinos and two additional singlets, leading to the same low energy neutrino mass matrix as in the Littlest Seesaw (LS) (type I) model. In order to implement such a Littlest Inverse Seesaw (LIS) model, we have used an S4 family symmetry, together with other various symmetries, flavons and driving fields. The resulting LIS model leads to an excellent fit to the low energy neutrino parameters, including the prediction of a normal neutrino mass ordering, exactly as in the usual LS model. However, unlike the LS model, the LIS model allows charged lepton flavor violating (CLFV) processes and lepton conversion in nuclei within reach of the forthcoming experiments.
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Accepted/In Press date: 3 February 2020
e-pub ahead of print date: 5 February 2020
Published date: 1 April 2020
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Local EPrints ID: 438157
URI: http://eprints.soton.ac.uk/id/eprint/438157
ISSN: 0550-3213
PURE UUID: 2a2ee7f2-0b0b-4933-bf4a-683d5cf58c7f
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Date deposited: 03 Mar 2020 17:43
Last modified: 16 Mar 2024 06:56
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Author:
A.E. Cárcamo Hernández
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