Neutrino-less double beta decay in the $ν$ Standard Model
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arXiv
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| Autori principali: | , , |
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| Natura: | Preprint |
| Pubblicazione: |
2025
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| _version_ | 1866916737343029248 |
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| author | Cirigliano, Vincenzo Dekens, Wouter Quiroga, Sebastián Urrutia |
| author_facet | Cirigliano, Vincenzo Dekens, Wouter Quiroga, Sebastián Urrutia |
| contents | We perform a comprehensive study of the $3+3$ Type-I seesaw model for a broad range of right-handed mass scales (from keV to 10 TeV). We take into account and, in some cases, update the constraints from a large number of high- and low-energy experiments and study the implications on neutrino-less double beta ($0νββ$) decay experiments. We illustrate our findings through profile likelihood plots for the half-life $T_{1/2}^{0ν}$ and two-dimensional plots correlating $T_{1/2}^{0ν}$ to neutrino masses. We find that in this simple class of models for Majorana neutrino masses, current and next-generation $0νββ$ decay experiments have a broad discovery potential in both the normal and inverted orderings of the spectrum of light active neutrinos. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2505_09679 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Neutrino-less double beta decay in the $ν$ Standard Model Cirigliano, Vincenzo Dekens, Wouter Quiroga, Sebastián Urrutia High Energy Physics - Phenomenology Nuclear Experiment Nuclear Theory We perform a comprehensive study of the $3+3$ Type-I seesaw model for a broad range of right-handed mass scales (from keV to 10 TeV). We take into account and, in some cases, update the constraints from a large number of high- and low-energy experiments and study the implications on neutrino-less double beta ($0νββ$) decay experiments. We illustrate our findings through profile likelihood plots for the half-life $T_{1/2}^{0ν}$ and two-dimensional plots correlating $T_{1/2}^{0ν}$ to neutrino masses. We find that in this simple class of models for Majorana neutrino masses, current and next-generation $0νββ$ decay experiments have a broad discovery potential in both the normal and inverted orderings of the spectrum of light active neutrinos. |
| title | Neutrino-less double beta decay in the $ν$ Standard Model |
| topic | High Energy Physics - Phenomenology Nuclear Experiment Nuclear Theory |
| url | https://arxiv.org/abs/2505.09679 |