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Neutrino phenomenology in the modular $S_3$ seesaw model

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arxiv 2403.00593 v2 pith:OOHICFBH submitted 2024-03-01 hep-ph

Mitesh Kumar Behera , Pawin Ittisamai , Chakrit Pongkitivanichkul , Patipan Uttayarat This is my paper · ORCID
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abstract

We have studied neutrino phenomenology in the supersymmetric type-I seesaw model endowed with the $\Gamma_2 \simeq S_3$ modular symmetry. We have identified different realizations of the $S_3$ modular symmetry, referred to as models A, B, C, and D. The 4 models are compatible with neutrino mass being inverted ordering (IO). Moreover, models A, B, and D can also accommodate normal ordering (NO) neutrino masses. We identify parameter space for each model compatible with neutrino oscillation at the 2-$\sigma$ level. We then proceed to study the neutrino phenomenology of each model. We find that the lightest neutrino mass can be as light as 0.64 meV in the case of NO in model A and 50 meV in the case of IO in model D. The smallest effective electron neutrino mass attainable in our analysis is 8.8 meV in the case of NO (model A), and 50 meV for IO (model D). Finally, we note that the effective Majorana mass can be as small as 0.33 meV in the case of NO (model A) and 22 meV for IO (model D).

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Cited by 4 Pith papers

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

  1. A Predictive Non-Holomorphic Modular $A_4$ Linear Seesaw Framework Testable at DUNE

    hep-ph 2026-02 conditional novelty 6.0 of 10

    A non-holomorphic modular A4 linear seesaw model with six singlet fermions and one flavon reproduces observed neutrino mixing and predicts absolute mass and 0νββ ranges that DUNE and other experiments can test.

  2. Fermion Masses and Mixing in Pati-Salam Unification with $S_3$ Modular Symmetry

    hep-ph 2024-12 conditional novelty 6.0 of 10

    Three S3-modular Pati-Salam benchmark models fit 16 fermion mass and mixing observables and predict testable neutrino masses, Majorana phases, and neutrinoless double-beta decay rates.

  3. A Non-Holomorphic Modular $A_4$ Framework for Resonant Leptogenesis with Gravitational Wave Signatures

    hep-ph 2026-07 conditional novelty 5.0 of 10

    A non-holomorphic modular A4 seesaw model yields quasi-degenerate right-handed neutrinos, enabling resonant leptogenesis at ~10^6 GeV and a double-peaked gravitational-wave signature.

  4. A radiative seesaw in a non-holomorphic modular $S_3$ flavor symmetry

    hep-ph 2025-01 conditional novelty 4.0 of 10

    A radiative seesaw model with non-holomorphic modular S3 symmetry fits neutrino data and predicts ranges for the Dirac CP phase, Majorana phases, neutrinoless double beta decay, and dark matter mass.

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