The Type-I Seesaw family
Fuente:
arXiv
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| Autores principales: | , , |
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| Formato: | Preprint |
| Publicado: |
2024
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| Materias: | |
| Acceso en línea: | |
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| _version_ | 1866912707773464576 |
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| author | Chuliá, Salvador Centelles Herrero-Brocal, Antonio Vicente, Avelino |
| author_facet | Chuliá, Salvador Centelles Herrero-Brocal, Antonio Vicente, Avelino |
| contents | We provide a comprehensive analysis of the Type-I Seesaw family of neutrino mass models, including the conventional type-I seesaw and its low-scale variants, namely the linear and inverse seesaws. We establish that all these models essentially correspond to a particular form of the type-I seesaw in the context of explicit lepton number violation. We then focus into the more interesting scenario of spontaneous lepton number violation, systematically categorizing all inequivalent minimal models. Furthermore, we identify and flesh out specific models that feature a rich majoron phenomenology and discuss some scenarios which, despite having heavy mediators and being invisible in processes such as $μ\to e γ$, predict sizable rates for decays including the majoron in the final state. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2404_15415 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | The Type-I Seesaw family Chuliá, Salvador Centelles Herrero-Brocal, Antonio Vicente, Avelino High Energy Physics - Phenomenology We provide a comprehensive analysis of the Type-I Seesaw family of neutrino mass models, including the conventional type-I seesaw and its low-scale variants, namely the linear and inverse seesaws. We establish that all these models essentially correspond to a particular form of the type-I seesaw in the context of explicit lepton number violation. We then focus into the more interesting scenario of spontaneous lepton number violation, systematically categorizing all inequivalent minimal models. Furthermore, we identify and flesh out specific models that feature a rich majoron phenomenology and discuss some scenarios which, despite having heavy mediators and being invisible in processes such as $μ\to e γ$, predict sizable rates for decays including the majoron in the final state. |
| title | The Type-I Seesaw family |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2404.15415 |