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Littlest Inverse Seesaw Model

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arxiv 1903.02565 v4 pith:KUNQSII6 submitted 2019-03-06 hep-ph

classification hep-ph
keywords modelseesawinverselittlestneutrinoenergyleptonmass
verification ladder T0 review T1 audit T2 compute T3 formal
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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 $S_{4}$ 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 flavour violating (CLFV) processes and lepton conversion in nuclei within reach of the forthcoming experiments.

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Forward citations

Cited by 2 Pith papers

Reviewed papers in the Pith corpus that reference this work. Sorted by Pith novelty score. Full citation record

  1. Multi-component Dark Matter in a Novel Three-Loop Inverse Scotogenic Seesaw Model

    hep-ph 2026-07 conditional novelty 6.0 of 10

    A three-loop inverse scotogenic seesaw with residual Z2⊗Z3 yields viable multi-component dark matter and approximate resonant leptogenesis while fitting neutrino and CLFV bounds.

  2. Phenomenological Aspects of Models with Low Scale Seesaw

    hep-ph 2024-12

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