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Notably, we identify scenarios where both DM particles contribute comparably to the observed relic density, offering distinctive experimental signatures that could guide future searches.\n <\/jats:p>","DOI":"10.1142\/s0217732325410068","type":"journal-article","created":{"date-parts":[[2026,1,14]],"date-time":"2026-01-14T13:08:04Z","timestamp":1768396084000},"source":"Crossref","is-referenced-by-count":0,"title":["New Features in the Z2 \u00d7 Z2 3HDM Two-Component DM Model"],"prefix":"10.1142","author":[{"ORCID":"https:\/\/orcid.org\/0000-0002-9683-4055","authenticated-orcid":false,"given":"Jorge C.","family":"Rom\u00e3o","sequence":"first","affiliation":[{"name":"Instituto Superior T\u00e9cnico, Departamento de F\u00edsica A. Rovisco Pais 1, Lisboa 1049-001, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-9093-205X","authenticated-orcid":false,"given":"Rafael","family":"Boto","sequence":"additional","affiliation":[{"name":"Instituto Superior T\u00e9cnico, Departamento de F\u00edsica A. Rovisco Pais 1, Lisboa 1049-001, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0009-0008-2968-3913","authenticated-orcid":false,"given":"Pedro N.","family":"Figueiredo","sequence":"additional","affiliation":[{"name":"Instituto Superior T\u00e9cnico, Departamento de F\u00edsica A. Rovisco Pais 1, Lisboa 1049-001, Portugal"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-6455-9618","authenticated-orcid":false,"given":"Jo\u00e3o P.","family":"Silva","sequence":"additional","affiliation":[{"name":"Instituto Superior T\u00e9cnico, Departamento de F\u00edsica A. Rovisco Pais 1, Lisboa 1049-001, Portugal"}]}],"member":"219","published-online":{"date-parts":[[2026,1,14]]},"reference":[{"key":"S0217732325410068BIB001","doi-asserted-by":"publisher","DOI":"10.1007\/JHEP11(2024)108"},{"key":"S0217732325410068BIB002","unstructured":"Planck Collab. (N. Aghanim\n et al.\n ),\n Astron. Astrophys.\n 641\n , A6 (2020). [Erratum:\n Astron. Astrophys.\n 652\n , C4 (2021)]."},{"key":"S0217732325410068BIB003","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevD.106.115010"},{"key":"S0217732325410068BIB004","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevD.100.035038"},{"key":"S0217732325410068BIB005","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevD.80.055013"},{"key":"S0217732325410068BIB006","doi-asserted-by":"publisher","DOI":"10.1140\/epjc\/s10052-012-2093-z"},{"key":"S0217732325410068BIB007","unstructured":"J. Hernandez-Sanchez, V. Keus, S. Moretti, D. Rojas-Ciofalo and D. 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[Erratum:\n Nature\n 612\n , E24 (2022)]."},{"key":"S0217732325410068BIB012","doi-asserted-by":"publisher","DOI":"10.1016\/j.cpc.2023.108803"},{"key":"S0217732325410068BIB013","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevD.99.112003"},{"key":"S0217732325410068BIB014","doi-asserted-by":"publisher","DOI":"10.1016\/j.physletb.2023.137963"},{"key":"S0217732325410068BIB015","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.131.041002"},{"key":"S0217732325410068BIB016","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.115.231301"},{"key":"S0217732325410068BIB017","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.117.091103"},{"key":"S0217732325410068BIB018","doi-asserted-by":"publisher","DOI":"10.1103\/PhysRevLett.129.111101"},{"key":"S0217732325410068BIB019","doi-asserted-by":"publisher","DOI":"10.1016\/j.cpc.2020.107311"},{"key":"S0217732325410068BIB020","doi-asserted-by":"crossref","unstructured":"D. Fontes and J. C. Rom\u00e3o,\n J. 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