Debye mass resummation reduces bound-state dark matter depletion by up to a factor of two relative to fixed-order NLO, changing relic abundance predictions by a few percent.
Dark Matter and Dark Forces from a supersymmetric hidden sector
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abstract
We show that supersymmetric "Dark Force" models with gravity mediation are viable. To this end, we analyse a simple string-inspired supersymmetric hidden sector model that interacts with the visible sector via kinetic mixing of a light Abelian gauge boson with the hypercharge. We include all induced interactions with the visible sector such as neutralino mass mixing and the Higgs portal term. We perform a detailed parameter space scan comparing the produced dark matter relic abundance and direct detection cross sections to current experiments.
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Effective field theories for dark matter pairs in the early universe: Debye mass effects
Debye mass resummation reduces bound-state dark matter depletion by up to a factor of two relative to fixed-order NLO, changing relic abundance predictions by a few percent.