期刊
JOURNAL OF HIGH ENERGY PHYSICS
卷 -, 期 7, 页码 -出版社
SPRINGER
DOI: 10.1007/JHEP07(2021)026
关键词
Phenomenological Models
资金
- National Research Foundation of South Africa (NRF)
- University of Lyon 1
- UJ GES 4IR initiative
- Campus France
- Eiffel programme
- IBS [IBS-R018-D1]
- IP2I
The study reveals that the presence of contact interactions can significantly affect the dark matter relic density and detection prospects, while leaving the collider phenomenology of the model unaffected. This emphasizes the complementarity of collider and cosmological constraints on dark matter models.
We investigate the phenomenology of a scalar top-philic dark matter candidate when adding a dimension-five contact interaction term, as motivated by possible underlying extensions of the Standard Model such as composite Higgs models. We show that the presence of contact interactions can have a major impact on the dark matter relic density as well as on its direct and indirect detection prospects, while the collider phenomenology of the model is unaffected. This underlines the complementarity of collider and cosmological constraints on dark matter models.
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