根据更新的LUX数据研究多粒子相互作用标量暗物质
Multipartite Interacting Scalar Dark Matter in the light of updated LUX data
摘要:
我们探讨了由单重标量暗物质与标准模型通过希格斯门耦合相互作用构成的多体暗物质框架的约束条件。我们计算遗迹密度和直接搜索约束,包括更新LUX界的两个组件的情况下,非零的相互作用之间的两个DM组件之间的$\mathcal{Z}_2\times \mathcal{Z}_2^{'}$框架相比,具有$\mathcal{O}(2)$对称性。我们指出,DM-DM相互作用的多体模型的参数空间的一个显着的大区域的可用性。
英文摘要:
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.
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