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Electroweak Supersymmetry around the Electroweak Scale

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arxiv 1202.6088 v2 pith:5RYD4JQ3 submitted 2012-02-27 hep-ph

Taoli Cheng , Jinmian Li , Tianjun Li , Dimitri V. Nanopoulos , Chunli Tong This is my paper · ORCID
classification hep-ph
keywords electroweaksupersymmetryarounddarkmatterbinoconstraintsphenomenological
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Inspired by the phenomenological constraints, LHC supersymmetry and Higgs searches, dark matter search as well as string model building, we propose the electroweak supersymmetry around the electroweak scale: the squarks and/or gluinos are around a few TeV while the sleptons, sneutrinos, bino and winos are within one TeV. The Higgsinos can be either heavy or light. We consider bino as the dominant component of dark matter candidate, and the observed dark matter relic density is achieved via the neutralino-stau coannihilations. Considering the Generalized Minimal Supergravity (GmSUGRA), we show explicitly that the electroweak supersymmetry can be realized, and the gauge coupling unification can be preserved. With two Scenarios, we study the viable parameter spaces that satisfy all the current phenomenological constraints, and we present the concrete benchmark points. Furthermore, we comment on the fine-tuning problem and LHC searches.

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  1. The Light Neutralino Dark Matter in the Generalized Minimal Supergravity (GmSUGRA)

    hep-ph 2025-01 conditional novelty 4.0 of 10

    In GmSUGRA, a light Higgsino-like neutralino dark matter at the Z and Higgs poles survives the LHC and LZ constraints only when the Higgsino mass parameter μ is negative.

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