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Multipartite Interacting Scalar Dark Matter in the light of updated LUX data
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Multipartite Interacting Scalar Dark Matter in the light of updated LUX data
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We explore constraints on multipartite dark matter (DM) framework composed of singlet scalar DM interacting with the Standard Model (SM) through Higgs portal coupling. We compute relic density and direct search constraints including the updated LUX bound for two component scenario with non-zero interactions between two DM components in $\mathcal{Z}_2\times \mathcal{Z}_2^{'}$ framework in comparison with the one having $\mathcal{O}(2)$ symmetry. We point out availability of a significantly large region of parameter space of such a multipartite model with DM-DM interactions.
Forward citations
Cited by 2 Pith papers
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FIMPs in a two-component dark matter model with $Z_2 \times Z_4$ symmetry
In a Z2×Z4 two-component FIMP model, the scalar coupling λds can be as small as ~10^-20 to 10^-24 while h2-mediated processes still control scalar dark matter production.
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FIMPs in a two-component dark matter model with $Z_2 \times Z_4$ symmetry
In this two-component dark matter model, freeze-in works with masses up to 3 TeV only if the scalar portal coupling is as small as 10^-25, far below usual FIMP values.
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