Gravity-mediated scalar Dark Matter in warped extra-dimensions
Abstract We revisit the case of scalar Dark Matter interacting just gravitationally with the Standard Model (SM) particles in an extra-dimensional Randall-Sundrum scenario. We assume that both, the Dark Matter and the Standard Model, are localized in the TeV brane and only interact via gravitational...
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| Format: | Article |
| Language: | English |
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SpringerOpen
2020-01-01
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| Series: | Journal of High Energy Physics |
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| Online Access: | https://doi.org/10.1007/JHEP01(2020)161 |
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| author | Miguel G. Folgado Andrea Donini Nuria Rius |
| author_facet | Miguel G. Folgado Andrea Donini Nuria Rius |
| author_sort | Miguel G. Folgado |
| collection | DOAJ |
| description | Abstract We revisit the case of scalar Dark Matter interacting just gravitationally with the Standard Model (SM) particles in an extra-dimensional Randall-Sundrum scenario. We assume that both, the Dark Matter and the Standard Model, are localized in the TeV brane and only interact via gravitational mediators, namely the graviton Kaluza-Klein modes and the radion. We analyze in detail the dark matter annihilation channel into two on-shell KK-gravitons, and contrary to previous studies which overlooked this process, we find that it is possible to obtain the correct relic abundance for dark matter masses in the range [1, 10] TeV even after taking into account the strong bounds from LHC Run II. We also consider the impact of the radion contribution (virtual exchange leading to SM final states as well as on-shell production), which does not significantly change our results. Quite interestingly, a sizeable part of the currently allowed parameter space could be tested by LHC Run III and by the High-Luminosity LHC. |
| format | Article |
| id | doaj-art-63f65ade4f1742f89de13dc97151ef5f |
| institution | Kabale University |
| issn | 1029-8479 |
| language | English |
| publishDate | 2020-01-01 |
| publisher | SpringerOpen |
| record_format | Article |
| series | Journal of High Energy Physics |
| spelling | doaj-art-63f65ade4f1742f89de13dc97151ef5f2025-02-09T12:06:19ZengSpringerOpenJournal of High Energy Physics1029-84792020-01-012020113910.1007/JHEP01(2020)161Gravity-mediated scalar Dark Matter in warped extra-dimensionsMiguel G. Folgado0Andrea Donini1Nuria Rius2Departamento de Física Teórica and IFIC, Universidad de Valencia-CSICDepartamento de Física Teórica and IFIC, Universidad de Valencia-CSICDepartamento de Física Teórica and IFIC, Universidad de Valencia-CSICAbstract We revisit the case of scalar Dark Matter interacting just gravitationally with the Standard Model (SM) particles in an extra-dimensional Randall-Sundrum scenario. We assume that both, the Dark Matter and the Standard Model, are localized in the TeV brane and only interact via gravitational mediators, namely the graviton Kaluza-Klein modes and the radion. We analyze in detail the dark matter annihilation channel into two on-shell KK-gravitons, and contrary to previous studies which overlooked this process, we find that it is possible to obtain the correct relic abundance for dark matter masses in the range [1, 10] TeV even after taking into account the strong bounds from LHC Run II. We also consider the impact of the radion contribution (virtual exchange leading to SM final states as well as on-shell production), which does not significantly change our results. Quite interestingly, a sizeable part of the currently allowed parameter space could be tested by LHC Run III and by the High-Luminosity LHC.https://doi.org/10.1007/JHEP01(2020)161Phenomenology of Field Theories in Higher Dimensions |
| spellingShingle | Miguel G. Folgado Andrea Donini Nuria Rius Gravity-mediated scalar Dark Matter in warped extra-dimensions Journal of High Energy Physics Phenomenology of Field Theories in Higher Dimensions |
| title | Gravity-mediated scalar Dark Matter in warped extra-dimensions |
| title_full | Gravity-mediated scalar Dark Matter in warped extra-dimensions |
| title_fullStr | Gravity-mediated scalar Dark Matter in warped extra-dimensions |
| title_full_unstemmed | Gravity-mediated scalar Dark Matter in warped extra-dimensions |
| title_short | Gravity-mediated scalar Dark Matter in warped extra-dimensions |
| title_sort | gravity mediated scalar dark matter in warped extra dimensions |
| topic | Phenomenology of Field Theories in Higher Dimensions |
| url | https://doi.org/10.1007/JHEP01(2020)161 |
| work_keys_str_mv | AT miguelgfolgado gravitymediatedscalardarkmatterinwarpedextradimensions AT andreadonini gravitymediatedscalardarkmatterinwarpedextradimensions AT nuriarius gravitymediatedscalardarkmatterinwarpedextradimensions |