The Light Neutralino Dark Matter in the Generalized Minimal Supergravity (GmSUGRA)
Imtiaz Khan, Waqas Ahmed, Tianjun Li, Shabbar Raza, and Ali Muhammad

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Abstract
We investigate both the and poles solutions for the Higgsino mass parameter and for the neutralino dark matter in light of the LHC supersymmetry searches and the direct detection dark matter experiments, LUX-ZEPLIN (LZ), in the Generalized Minimal Supergravity (GmSUGRA). Our study indicates that the latest experimental constraints from the LHC and LZ Collaborations exclude the light Higgsinos in the and pole regions for the case. Interestingly, for the case, a very light Higgsinos can still be consistent with the current constraints from the electroweakino searches and LZ experiment in the and poles. Consequently, the case appears more promising and thus requires the dedicated efforts to make definitive conclusions about their current status from the experimental Collaborations. In this framework, our findings indicate…
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Taxonomy
TopicsCosmology and Gravitation Theories · Dark Matter and Cosmic Phenomena · Relativity and Gravitational Theory
