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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2026
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2604.12121 |
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| _version_ | 1866913029034082304 |
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| author | Oliveira, Vinicius Cogollo, D. Doff, A. Pires, C. A. de S. |
| author_facet | Oliveira, Vinicius Cogollo, D. Doff, A. Pires, C. A. de S. |
| contents | We show that the $\mathrm{SU}(3)_C \times \mathrm{SU}(3)_L \times \mathrm{U}(1)_N$ model with right-handed neutrinos naturally accommodates a viable sub-MeV dark matter (DM) candidate realized as pseudo-Goldstone boson that acquires tiny mass through gravitational effects. The observed relic abundance is obtained via freeze-in in a low-reheating temperature scenario, without requiring tiny couplings. The model operates at the TeV scale and remains testable at current and future collider experiments. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2604_12121 |
| institution | arXiv |
| publishDate | 2026 |
| record_format | arxiv |
| spellingShingle | The 3-3-1 Model: a natural framework for sub-MeV dark matter Oliveira, Vinicius Cogollo, D. Doff, A. Pires, C. A. de S. High Energy Physics - Phenomenology We show that the $\mathrm{SU}(3)_C \times \mathrm{SU}(3)_L \times \mathrm{U}(1)_N$ model with right-handed neutrinos naturally accommodates a viable sub-MeV dark matter (DM) candidate realized as pseudo-Goldstone boson that acquires tiny mass through gravitational effects. The observed relic abundance is obtained via freeze-in in a low-reheating temperature scenario, without requiring tiny couplings. The model operates at the TeV scale and remains testable at current and future collider experiments. |
| title | The 3-3-1 Model: a natural framework for sub-MeV dark matter |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2604.12121 |