Right-handed neutrino as a common progenitor of baryon number asymmetry and dark matter
Fuente:
arXiv
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| Autor principal: | |
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| Formato: | Preprint |
| Publicado: |
2024
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| _version_ | 1866909211980464128 |
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| author | Suematsu, Daijiro |
| author_facet | Suematsu, Daijiro |
| contents | Cosmological and astrophysical observations suggest that both energy densities of baryon and dark matter take the same order values in the present Universe. We propose a scenario to give an answer for this problem in a scotogenic model and its extension. The model naturally provides dark matter candidates as its crucial ingredients to explain the small neutrino mass. If a neutral component of an inert doublet scalar plays a role of dark matter and leptogenesis occurs at TeV scales, both dark matter abundance and baryon number asymmetry could be explained with a same mother particle. Coincidence between the order of their energy densities might be understood through such a background. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2402_10561 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | Right-handed neutrino as a common progenitor of baryon number asymmetry and dark matter Suematsu, Daijiro High Energy Physics - Phenomenology Cosmological and astrophysical observations suggest that both energy densities of baryon and dark matter take the same order values in the present Universe. We propose a scenario to give an answer for this problem in a scotogenic model and its extension. The model naturally provides dark matter candidates as its crucial ingredients to explain the small neutrino mass. If a neutral component of an inert doublet scalar plays a role of dark matter and leptogenesis occurs at TeV scales, both dark matter abundance and baryon number asymmetry could be explained with a same mother particle. Coincidence between the order of their energy densities might be understood through such a background. |
| title | Right-handed neutrino as a common progenitor of baryon number asymmetry and dark matter |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2402.10561 |