Dark matter from dynamical SUSY breaking

TL;DR

This paper proposes models where dark matter consists of heavy, strongly-interacting composite states from dynamical supersymmetry breaking, which could be detected indirectly through their interactions mediated by a light R-axion.

Contribution

It introduces explicit models of dynamical SUSY breaking with a large flavor symmetry, producing viable heavy dark matter candidates with potential for indirect detection.

Findings

Dark matter candidates are 10-100 TeV composite states with no standard model charges.

The models include a light R-axion that mediates interactions between dark matter and standard model.

These scenarios are compatible with low-scale gauge mediation and thermal relic abundance.

Abstract

We consider explicit models of dynamical supersymmetry breaking where dark matter is a 10 -- 100 TeV strongly-interacting composite state carrying no standard model quantum numbers. These constructions are simple variants of well-known supersymmetry breaking mechanisms, augmented to allow for a large "flavor" symmetry. Dark matter is the lightest composite modulus charged under this symmetry and is a viable cold dark matter candidate with a thermal relic abundance. This is an attractive possibility in low-scale gauge-mediated scenarios where the gravitino is the lightest superparticle. A light R-axion associated with supersymmetry breaking is present in these hidden sectors and serves as the portal between dark matter and the standard model. Such scenarios are relevant for present and future indirect detection experiments.