{ "id": "2406.07489", "version": "v1", "published": "2024-06-11T17:29:29.000Z", "updated": "2024-06-11T17:29:29.000Z", "title": "Prospects for the detection of Dark Matter with Long-lived Mediators in the Sun using the Southern Wide-field Gamma-ray Observatory", "authors": [ "Micael Andrade", "Juan Fagiani", "Clarissa Siqueira", "Vitor de Souza", "Aion Viana" ], "comment": "15 pages, 3 figures", "categories": [ "astro-ph.HE", "hep-ph" ], "abstract": "The operation of the next generation of gamma-ray observatories will lead to a great advance in dark matter searches. In this paper, we use the hidden sectors hypothesis within the so-called secluded models to calculate the capabilities of the Southern Wide-field Gamma-ray Observatory (SWGO) to detect gamma-ray signatures produced by dark matter particles concentrated in the Sun. We assume the dark matter particle annihilates into metastable mediators which decay into $\\gamma\\gamma$, $e^+e^-$, $\\tau^+\\tau^-$, and $\\bar{b}b$ outside the Sun. We found that the SWGO will be able to probe a spin-dependent cross-section of about $10^{-46}$ cm$^2$ for dark matter masses smaller than 5 TeV. This result shows an unprecedented sensitivity surpassing the current instruments by more than one order of magnitude.", "revisions": [ { "version": "v1", "updated": "2024-06-11T17:29:29.000Z" } ], "analyses": { "keywords": [ "southern wide-field gamma-ray observatory", "long-lived mediators", "dark matter masses smaller", "dark matter particle annihilates", "detect gamma-ray signatures" ], "note": { "typesetting": "TeX", "pages": 15, "language": "en", "license": "arXiv", "status": "editable" } } }