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| Autores principales: | , |
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| Formato: | Preprint |
| Publicado: |
2025
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| Materias: | |
| Acceso en línea: | https://arxiv.org/abs/2503.13124 |
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| _version_ | 1866915201727594496 |
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| author | Singh, Mayengbam Kishan Singh, N. Nimai |
| author_facet | Singh, Mayengbam Kishan Singh, N. Nimai |
| contents | We study a 3+1 active-sterile neutrino mixings model using an $A_4$ triplet right-handed neutrino $ν_R$ and a singlet eV-scale sterile neutrino under $A_4\times Z_3 \times Z_2$ discrete symmetry. Four scalar flavons are considered to reproduce neutrino oscillation parameters within the experimental 3$σ$ range. The model also studies the effective mass parameter in neutrinoless double beta decay experiments. Deviation from $μ-τ$ symmetry in the active neutrino mass matrix is generated through an antisymmetric interaction of $ν_R$. This model successfully explains active-sterile neutrino mixings consistent with the cosmological upper bound on the sum of active neutrino mass $\sum m_i < 0.113$ eV (0.145 eV) in NH(IH). |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2503_13124 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | 3+1 neutrino mixings model with $A_4$ triplet Majorana neutrino Singh, Mayengbam Kishan Singh, N. Nimai High Energy Physics - Phenomenology We study a 3+1 active-sterile neutrino mixings model using an $A_4$ triplet right-handed neutrino $ν_R$ and a singlet eV-scale sterile neutrino under $A_4\times Z_3 \times Z_2$ discrete symmetry. Four scalar flavons are considered to reproduce neutrino oscillation parameters within the experimental 3$σ$ range. The model also studies the effective mass parameter in neutrinoless double beta decay experiments. Deviation from $μ-τ$ symmetry in the active neutrino mass matrix is generated through an antisymmetric interaction of $ν_R$. This model successfully explains active-sterile neutrino mixings consistent with the cosmological upper bound on the sum of active neutrino mass $\sum m_i < 0.113$ eV (0.145 eV) in NH(IH). |
| title | 3+1 neutrino mixings model with $A_4$ triplet Majorana neutrino |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2503.13124 |