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| Main Authors: | , , |
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| Format: | Preprint |
| Published: |
2024
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| Subjects: | |
| Online Access: | https://arxiv.org/abs/2403.03216 |
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| _version_ | 1866910354392481792 |
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| author | Jiménez, Jose Beltrán Figueruelo, David Pannia, Florencia Anabella Teppa |
| author_facet | Jiménez, Jose Beltrán Figueruelo, David Pannia, Florencia Anabella Teppa |
| contents | Cosmological models featuring an elastic interaction in the dark sector at linear order has been shown to provide a promising scenario for alleviating the $σ_8$ tension. A natural question for these scenarios is whether there could be a degeneracy between the interaction and massive neutrinos that also contribute to erasing structures at late times. In this work we investigate the presence of such a degeneracy and show that the two effects do not exhibit strong correlations. |
| format | Preprint |
| id |
arxiv_https___arxiv_org_abs_2403_03216 |
| institution | arXiv |
| publishDate | 2024 |
| record_format | arxiv |
| spellingShingle | On the (non-)degeneracy of massive neutrinos and elastic interactions in the dark sector Jiménez, Jose Beltrán Figueruelo, David Pannia, Florencia Anabella Teppa Cosmology and Nongalactic Astrophysics Cosmological models featuring an elastic interaction in the dark sector at linear order has been shown to provide a promising scenario for alleviating the $σ_8$ tension. A natural question for these scenarios is whether there could be a degeneracy between the interaction and massive neutrinos that also contribute to erasing structures at late times. In this work we investigate the presence of such a degeneracy and show that the two effects do not exhibit strong correlations. |
| title | On the (non-)degeneracy of massive neutrinos and elastic interactions in the dark sector |
| topic | Cosmology and Nongalactic Astrophysics |
| url | https://arxiv.org/abs/2403.03216 |