Conversion-Driven Freeze-Out: A Common Framework for Dark Matter and Baryogenesis
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arXiv
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| Formato: | Preprint |
| Publicado: |
2025
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| _version_ | 1866912319665078272 |
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| author | Heisig, Jan |
| author_facet | Heisig, Jan |
| contents | We explore dark matter genesis beyond the WIMP paradigm, focusing on the mechanism of conversion-driven freeze-out. This mechanism enables the thermalization of dark matter despite its very weak couplings. While the scenario evades conventional WIMP searches, it predicts novel signatures of long-lived particles at colliders, making it a prime target for upcoming LHC searches. We review various model realizations of this mechanism, highlighting its deep connections to other unresolved problems of the Standard Model. In particular, we show how conversion-driven freeze-out can naturally give rise to baryogenesis, offering a compelling perspective on the origins of both dark and baryonic matter. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2504_07859 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Conversion-Driven Freeze-Out: A Common Framework for Dark Matter and Baryogenesis Heisig, Jan High Energy Physics - Phenomenology We explore dark matter genesis beyond the WIMP paradigm, focusing on the mechanism of conversion-driven freeze-out. This mechanism enables the thermalization of dark matter despite its very weak couplings. While the scenario evades conventional WIMP searches, it predicts novel signatures of long-lived particles at colliders, making it a prime target for upcoming LHC searches. We review various model realizations of this mechanism, highlighting its deep connections to other unresolved problems of the Standard Model. In particular, we show how conversion-driven freeze-out can naturally give rise to baryogenesis, offering a compelling perspective on the origins of both dark and baryonic matter. |
| title | Conversion-Driven Freeze-Out: A Common Framework for Dark Matter and Baryogenesis |
| topic | High Energy Physics - Phenomenology |
| url | https://arxiv.org/abs/2504.07859 |