Secluded Dark Composites and Remnant Binding Fields
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arXiv
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| Main Authors: | , , , |
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| Format: | Preprint |
| Published: |
2025
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| _version_ | 1866914333581115392 |
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| author | Bleau, Katarina Boukhtouchen, Yilda Bramante, Joseph Kulkarni, Rohan |
| author_facet | Bleau, Katarina Boukhtouchen, Yilda Bramante, Joseph Kulkarni, Rohan |
| contents | Dark matter may freeze-out and undergo composite assembly while decoupled from the Standard Model. In this secluded composite scenario, while individual dark matter particles may be too weakly-coupled to detect, the assembled composite can potentially be detected since its effective coupling scales with number of constituents. We examine models and observables for secluded composites, and in particular we investigate the cosmological abundance of the composite binding field, which is generated during freeze-out annihilation and secluded composite assembly. This binding field could be discovered as a new relativistic species in the early universe or through later interactions as a subdominant dark component. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2506_04331 |
| institution | arXiv |
| publishDate | 2025 |
| record_format | arxiv |
| spellingShingle | Secluded Dark Composites and Remnant Binding Fields Bleau, Katarina Boukhtouchen, Yilda Bramante, Joseph Kulkarni, Rohan High Energy Physics - Phenomenology Cosmology and Nongalactic Astrophysics High Energy Physics - Theory Dark matter may freeze-out and undergo composite assembly while decoupled from the Standard Model. In this secluded composite scenario, while individual dark matter particles may be too weakly-coupled to detect, the assembled composite can potentially be detected since its effective coupling scales with number of constituents. We examine models and observables for secluded composites, and in particular we investigate the cosmological abundance of the composite binding field, which is generated during freeze-out annihilation and secluded composite assembly. This binding field could be discovered as a new relativistic species in the early universe or through later interactions as a subdominant dark component. |
| title | Secluded Dark Composites and Remnant Binding Fields |
| topic | High Energy Physics - Phenomenology Cosmology and Nongalactic Astrophysics High Energy Physics - Theory |
| url | https://arxiv.org/abs/2506.04331 |