Light fermionic dark matter window in the scotogenic inverse seesaw model
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arXiv
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| Main Authors: | , , , , |
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| Format: | Preprint |
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2026
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| _version_ | 1866912980265861120 |
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| author | Liang, Huan-Can Liao, Yi Ma, Xiao-Dong Song, Mu-Yuan Wang, Hao-Lin |
| author_facet | Liang, Huan-Can Liao, Yi Ma, Xiao-Dong Song, Mu-Yuan Wang, Hao-Lin |
| contents | The origin of neutrino mass and the nature of dark matter (DM) remain unresolved puzzles in particle physics, and an appealing possibility is to address both in a unified picture. This paper explores a light fermionic DM candidate within the scotogenic inverse seesaw model, which can simultaneously provide a mechanism for neutrino mass generation. By incorporating constraints from neutrino oscillation data, charged lepton flavor violating processes, invisible decays of the Higgs and $Z$ bosons, DM relic density, and direct detection of DM, we uncover a light fermionic DM window in the mass range $58\,{\rm GeV} \lesssim m_{\tt DM} \lesssim 63\,{\rm GeV}$ that can satisfy all of the aforementioned constraints. We find that this window can be jointly tested by next-generation ton-scale DM direct detection experiments including PandaX-xT and XENONnT, Higgs invisible decays, and future lepton colliders such as ILC. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2603_23040 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | Light fermionic dark matter window in the scotogenic inverse seesaw model Liang, Huan-Can Liao, Yi Ma, Xiao-Dong Song, Mu-Yuan Wang, Hao-Lin High Energy Physics - Phenomenology The origin of neutrino mass and the nature of dark matter (DM) remain unresolved puzzles in particle physics, and an appealing possibility is to address both in a unified picture. This paper explores a light fermionic DM candidate within the scotogenic inverse seesaw model, which can simultaneously provide a mechanism for neutrino mass generation. By incorporating constraints from neutrino oscillation data, charged lepton flavor violating processes, invisible decays of the Higgs and $Z$ bosons, DM relic density, and direct detection of DM, we uncover a light fermionic DM window in the mass range $58\,{\rm GeV} \lesssim m_{\tt DM} \lesssim 63\,{\rm GeV}$ that can satisfy all of the aforementioned constraints. We find that this window can be jointly tested by next-generation ton-scale DM direct detection experiments including PandaX-xT and XENONnT, Higgs invisible decays, and future lepton colliders such as ILC. |
| title | Light fermionic dark matter window in the scotogenic inverse seesaw model |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2603.23040 |