Neutrino mass and mixing, resonant leptogenesis and charged lepton flavor violation in a minimal seesaw model with $S_4$ symmetry
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| Format: | Preprint |
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2025
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| _version_ | 1866912725846720512 |
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| author | Vien, V. V. Singh, Mayengbam Kishan |
| author_facet | Vien, V. V. Singh, Mayengbam Kishan |
| contents | We propose a minimal inverse seesaw model with $S_4$ symmetry for the Majorana neutrinos with only one real ($m_0$)-and two complex ($α, β$) parameters in neutrino sector which gives reasonable predictions for the neutrino oscillation parameters, the observed baryon asymmetry of the Universe and the charged lepton flavor violation. The resulting model reveals a favor for normal neutrino mass ordering, a higher octant of $θ_{23}$ and a lower half-plane of Dirac CP violation phase. The predictions of the model for sum of neutrino masses and the effective Majorana neutrino mass are centered around 58.98 meV and 6.2 meV, respectively. The model also provides the predictions of the baryon asymmetry and charged lepton flavour violation processes which are consistent with the experimental observations. |
| format | Preprint |
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arxiv_https___arxiv_org_abs_2509_08290 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Neutrino mass and mixing, resonant leptogenesis and charged lepton flavor violation in a minimal seesaw model with $S_4$ symmetry Vien, V. V. Singh, Mayengbam Kishan High Energy Physics - Phenomenology We propose a minimal inverse seesaw model with $S_4$ symmetry for the Majorana neutrinos with only one real ($m_0$)-and two complex ($α, β$) parameters in neutrino sector which gives reasonable predictions for the neutrino oscillation parameters, the observed baryon asymmetry of the Universe and the charged lepton flavor violation. The resulting model reveals a favor for normal neutrino mass ordering, a higher octant of $θ_{23}$ and a lower half-plane of Dirac CP violation phase. The predictions of the model for sum of neutrino masses and the effective Majorana neutrino mass are centered around 58.98 meV and 6.2 meV, respectively. The model also provides the predictions of the baryon asymmetry and charged lepton flavour violation processes which are consistent with the experimental observations. |
| title | Neutrino mass and mixing, resonant leptogenesis and charged lepton flavor violation in a minimal seesaw model with $S_4$ symmetry |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2509.08290 |