In this article we review the case for a light (<m_h125∕2) neutralino and sneutrino being a viable Dark Matter (DM) candidate in Supersymmetry (SUSY). To that end we recapitulate, very briefly, three issues related to the DM which impact the discussions: calculation of DM relic density, detection of the DM in Direct and Indirect experiments and creation/detection at the Colliders. In case of SUSY, the results from Higgs and SUSY searches at the colliders also have implications for the DM mass and couplings. In view of the constraints coming from all these sources, the possibility of a light neutralino is all but ruled out for the constrained MSSM: cMSSM. The pMSSM, where the gaugino masses are not related at high scale, is also quite constrained and under tension in case of thermal DM and will be put to very stern test in the near future in Direct Detection (DD) experiments as well as by the LHC analyses. However in the pMSSM with modified cosmology and hence non thermal DM or in the NMSSM, a light neutralino is much more easily accommodated. A light RH sneutrino is also still a viable DM candidate although it requires extending the MSSM with additional singlet neutrino superfields. All of these possibilities can be indeed tested jointly in the upcoming SUSY-electroweakino and Higgs searches at the HL/HE luminosity LHC, the upcoming experiments for the Direct Detection (DD) and indirect detection for the DM as well as the high precision electron-positron colliders under planning.

在本文中，我们回顾了一种情况（< m _{h 125}∕ 2）中性和中微子是超对称性（SUSY）中可行的暗物质（DM）候选物。为此，我们非常简要地概述了与DM相关的三个影响讨论的问题：DM残留物密度的计算，直接和间接实验中DM的检测以及在碰撞体中的创建/检测。如果是SUSY，对撞机的希格斯（Higgs）和SUSY搜索的结果也对DM质量和耦合有影响。考虑到来自所有这些来源的约束，对于受约束的MSSM：cMSSM，几乎没有轻中性的可能性。pMSSM，gaugino大规模无关的地方，对于热DM，它也受到很大的限制和压力，并且将在不久的将来在直接检测（DD）实验以及LHC分析中进行严峻的测试。但是，在具有修改后的宇宙学的pMSSM中（因此是非热DM）或在NMSSM中，更容易容纳轻中性。轻度RH中微子仍然是可行的DM候选物，尽管它需要使用额外的单重态中微子超场来扩展MSSM。所有这些可能性的确可以在即将推出的SUSY-electroweakino和Higgs在HL / HE光度LHC的搜索，即将进行的直接检测（DD）和间接检测DM实验以及高精度电子检测中共同测试。正计划中的正电子对撞机。但是，在具有修改后的宇宙学的pMSSM中（因此是非热DM）或在NMSSM中，更容易容纳轻中性。轻度RH中微子仍然是可行的DM候选物，尽管它需要使用额外的单重态中微子超场来扩展MSSM。所有这些可能性都可以在即将推出的SUSY-electroweakino和Higgs在HL / HE发光度LHC的搜索，即将进行的直接检测（DD）和间接检测DM实验以及高精度电子检测中共同测试。正计划中的正电子对撞机。但是，在具有修改后的宇宙学的pMSSM中（因此是非热DM）或在NMSSM中，更容易容纳轻中性。轻度RH中微子仍然是可行的DM候选物，尽管它需要使用额外的单重态中微子超场来扩展MSSM。所有这些可能性的确可以在即将推出的SUSY-electroweakino和Higgs在HL / HE光度LHC的搜索，即将进行的直接检测（DD）和间接检测DM实验以及高精度电子检测中共同测试。正计划中的正电子对撞机。