Super-Resonant Dark Matter

TL;DR

This paper proposes a supersymmetric QCD-based model of dark matter with resonant self-interactions that vary with velocity, potentially solving small-scale structure issues, and predicts a dark matter mass around 3-4 MeV.

Contribution

It introduces a novel super-resonant dark matter model with velocity-dependent self-interactions derived from supersymmetric QCD, explaining small-scale structure puzzles.

Findings

Dark matter mass predicted around 3-4 MeV

Self-interactions are resonantly enhanced and velocity-dependent

Model accommodates small-scale structure observations

Abstract

We introduce Super-Resonant Dark Matter, a model of self-interacting dark matter based on the low energy effective theory of supersymmetric QCD. The structure of the theory ensures a resonant enhancement of the self-interactions of the low energy mesons, since their mass ratio is set by the number of colors and flavors. The velocity dependence of the resonantly enhanced self-interactions allows such theories to accommodate puzzles in small scale structure that arise from dark matter halos of different sizes. The dark matter mass is then predicted to be around 3-4 MeV, with its abundance set by freeze-in via a kinetically mixed dark photon.