A dark-sector electroweak baryogenesis model with a ~50 GeV fermionic dark matter candidate can simultaneously match the baryon asymmetry, the dark matter relic density, and (at ~2 sigma) the galactic center gamma-ray excess, and predicts observable gravitational waves.
Search for Scalar Leptons and Scalar Quarks at LEP
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abstract
Scalar partners of quarks and leptons, predicted in supersymmetric models, are searched for in e^+e^- collisions at centre-of-mass energies between 192GeV and 209GeV at LEP. No evidence for any such particle is found in a data sample of 450 pb^-1. Upper limits on their production cross sections are set and lower limits on their masses are derived in the framework of the Minimal Supersymmetric Standard Model.
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Dark Sector Electroweak Baryogenesis In Light Of The Galactic Center Excess
A dark-sector electroweak baryogenesis model with a ~50 GeV fermionic dark matter candidate can simultaneously match the baryon asymmetry, the dark matter relic density, and (at ~2 sigma) the galactic center gamma-ray excess, and predicts observable gravitational waves.