Enabling Thermal Dark Matter within the Vanilla $L_μ$-$L_τ$ Model
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arXiv
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| Auteurs principaux: | , , , |
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| Format: | Preprint |
| Publié: |
2025
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| _version_ | 1866908572607053824 |
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| author | Bernal, Nicolás Neto, Jacinto P. Silva-Malpartida, Javier Queiroz, Farinaldo S. |
| author_facet | Bernal, Nicolás Neto, Jacinto P. Silva-Malpartida, Javier Queiroz, Farinaldo S. |
| contents | Thermal dark matter is a compelling setup that has been probed by a multitude of experiments, mostly in the GeV-TeV mass range. The thermal paradigm in the sub-GeV range is about to experience the same experimental test with the next generation of low-energy accelerators and light dark matter detectors. Motivated by this, we investigate thermal dark matter in the $L_μ-L_τ$ and assess how the introduction of a matter-dominated era impacts the parameter that yields the correct relic density. Interestingly, we show that the projected experiments, such as MuSIC, FCC-ee, and LDMX, will probe a large region of the viable parameter space that yields the correct relic density. In the GeV-TeV mass regime, the usual large-scale detectors push the sensitivity. Our work highlights the rich interplay between early-universe dynamics, dark matter phenomenology, and the discovery potential of next-generation experiments. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2507_02048 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Enabling Thermal Dark Matter within the Vanilla $L_μ$-$L_τ$ Model Bernal, Nicolás Neto, Jacinto P. Silva-Malpartida, Javier Queiroz, Farinaldo S. High Energy Physics - Phenomenology Thermal dark matter is a compelling setup that has been probed by a multitude of experiments, mostly in the GeV-TeV mass range. The thermal paradigm in the sub-GeV range is about to experience the same experimental test with the next generation of low-energy accelerators and light dark matter detectors. Motivated by this, we investigate thermal dark matter in the $L_μ-L_τ$ and assess how the introduction of a matter-dominated era impacts the parameter that yields the correct relic density. Interestingly, we show that the projected experiments, such as MuSIC, FCC-ee, and LDMX, will probe a large region of the viable parameter space that yields the correct relic density. In the GeV-TeV mass regime, the usual large-scale detectors push the sensitivity. Our work highlights the rich interplay between early-universe dynamics, dark matter phenomenology, and the discovery potential of next-generation experiments. |
| title | Enabling Thermal Dark Matter within the Vanilla $L_μ$-$L_τ$ Model |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2507.02048 |