We review scenarios in which the particles that account for the Dark Matter (DM) in the Universe interact only through their couplings with the Higgs sector of the theory, the so-called Higgs-portal models. In a first step, we use a general and model-independent approach in which the DM particles are singlets with spin $0,\frac12$ or $1$, and assume a minimal Higgs sector with the presence of only the Standard Model (SM) Higgs particle observed at the LHC. In a second step, we discuss non-minimal scenarios in which the spin-$\frac12$ DM particle is accompanied by additional lepton partners and consider several possibilities like sequential, singlet-doublet and vector-like leptons. In a third step, we examine the case in which it is the Higgs sector of the theory which is enlarged either by a singlet scalar or pseudoscalar field, an additional two Higgs doublet field or by both; in this case, the matter content is also extended in several ways. Finally, we investigate the case of supersymmetric extensions of the SM with neutralino DM, focusing on the possibility that the latter couples mainly to the neutral Higgs particles of the model which then serve as the main portals for DM phenomenology. In all these scenarios, we summarize and update the present constraints and future prospects from the collider physics perspective, namely from the determination of the SM Higgs properties at the LHC and the search for its invisible decays into DM, and the search for heavier Higgs bosons and the DM companion particles at high-energy colliders. We then compare these results with the constraints and prospects obtained from the cosmological relic abundance as well as from direct and indirect DM searches in astroparticle physics experiments. The complementarity of collider and astroparticle DM searches is investigated in all the considered models.

中文翻译：

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通过希格斯门的暗物质

我们回顾了解释宇宙中暗物质 (DM) 的粒子仅通过它们与理论的希格斯扇区（即所谓的希格斯门户模型）的耦合相互作用的场景。第一步，我们使用通用且与模型无关的方法，其中 DM 粒子是自旋为 $0、\frac12$ 或 $1$ 的单线态，并假设一个最小的希格斯扇区，只存在标准模型 (SM) 希格斯粒子在 LHC 上观察到的粒子。在第二步中，我们讨论了自旋 $\frac12$ DM 粒子伴随着额外的轻子伙伴的非最小场景，并考虑了几种可能性，如顺序、单重态和类矢量轻子。在第三步中，我们检查理论的希格斯扇区被单线态标量场或伪标量场扩大的情况，额外的两个希格斯双峰场或两者兼而有之；在这种情况下，事件内容也以多种方式进行了扩展。最后，我们研究了 SM 与中性 DM 的超对称扩展的情况，重点关注后者主要耦合到模型的中性希格斯粒子的可能性，然后作为 DM 现象学的主要入口。在所有这些场景中，我们从对撞机物理的角度总结和更新当前的限制和未来的前景，即从 LHC 上 SM 希格斯属性的确定和寻找其无形衰变到 DM，以及寻找更重的希格斯玻色子以及高能对撞机处的 DM 伴生粒子。然后，我们将这些结果与从宇宙学遗迹丰度以及从天体粒子物理实验中的直接和间接 DM 搜索中获得的约束和前景进行比较。在所有考虑的模型中研究了对撞机和天体粒子 DM 搜索的互补性。