Singlino Resonant Dark Matter and 125 GeV Higgs Boson in High-Scale Supersymmetry

Abstract

We consider a singlino Dark Matter (DM) scenario in a singlet extension model of the Minimal Supersymmetric Standard Model, which is so-called the Nearly MSSM (nMSSM). We find that with high-scale supersymmetry breaking the singlino can obtain a sizable radiative correction to the mass, which opens a window for the DM scenario with resonant annihilation via the exchange of the Higgs boson. We show that the current DM relic abundance and the Higgs boson mass can be explained simultaneously. This scenario can be fully probed by XENON1T.

arXiv comment12 pages, 5 figures; to be published in Physical Review Letters

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• Towards a Scale Free Electroweak Baryogenesis
• ATLAS on-Z Excess via gluino-Higgsino-singlino decay chains in the NMSSM
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