Leptogenesis from composite singlets
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arXiv
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| Format: | Preprint |
| Veröffentlicht: |
2022
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| _version_ | 1866909354747232256 |
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| author | Yoshimatsu, Nobuki |
| author_facet | Yoshimatsu, Nobuki |
| contents | We argue that dual singlets accommodate the thermal leptogenesis in the context of metastable supersymmetry breaking. This framework suggests that the reheating temperature is as low as O(10^4) GeV, and besides the neutrino masses, solely induced from the dual fermions, are present at O(0.1) eV. We also expect that the unstable gravitino, though long-lived, may cause a clear signal of the neutrino flux at O(10) MeV. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2209_08386 |
| institution | arXiv |
| publishDate | 2022 |
| record_format | arxiv |
| spellingShingle | Leptogenesis from composite singlets Yoshimatsu, Nobuki High Energy Physics - Phenomenology We argue that dual singlets accommodate the thermal leptogenesis in the context of metastable supersymmetry breaking. This framework suggests that the reheating temperature is as low as O(10^4) GeV, and besides the neutrino masses, solely induced from the dual fermions, are present at O(0.1) eV. We also expect that the unstable gravitino, though long-lived, may cause a clear signal of the neutrino flux at O(10) MeV. |
| title | Leptogenesis from composite singlets |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2209.08386 |