Non-unitary limits on different textures for low-scale seesaw models
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2024
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| _version_ | 1866910575249850368 |
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| author | Celestino-Ramírez, Jesús Miguel Hernández-Tomé, G. Miranda, O. G. Peinado, Eduardo |
| author_facet | Celestino-Ramírez, Jesús Miguel Hernández-Tomé, G. Miranda, O. G. Peinado, Eduardo |
| contents | New heavy neutral leptons lead to non-unitary effects in models for neutrino masses. Such effects could represent a sign of new physics beyond the Standard Model, leading to observable deviations in neutrino oscillation experiments, lepton flavor violation, and other precision measurements. This work explores the parameter space of the linear and inverse low-scale seesaw models based on flavor symmetries consistent with neutrino oscillation experiments. In particular, we investigated the violation of unitarity when the lepton flavor violation is absent and when only one lepton flavor-violating channel is present. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2408_13232 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Non-unitary limits on different textures for low-scale seesaw models Celestino-Ramírez, Jesús Miguel Hernández-Tomé, G. Miranda, O. G. Peinado, Eduardo High Energy Physics - Phenomenology New heavy neutral leptons lead to non-unitary effects in models for neutrino masses. Such effects could represent a sign of new physics beyond the Standard Model, leading to observable deviations in neutrino oscillation experiments, lepton flavor violation, and other precision measurements. This work explores the parameter space of the linear and inverse low-scale seesaw models based on flavor symmetries consistent with neutrino oscillation experiments. In particular, we investigated the violation of unitarity when the lepton flavor violation is absent and when only one lepton flavor-violating channel is present. |
| title | Non-unitary limits on different textures for low-scale seesaw models |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2408.13232 |