Interfering Composite Asymmetric Dark Matter for DAMA and CoGeNT

TL;DR

This paper proposes a model of light asymmetric composite dark matter that explains conflicting experimental results through interference effects in scattering channels, with a compositeness scale near the electroweak scale.

Contribution

It introduces a novel interference mechanism between Higgs and photon exchange in composite dark matter models, aligning experimental data with theoretical predictions.

Findings

Interference between Higgs and photon channels explains experimental results.

Compositeness scale is around the electroweak scale.

Model based on strong dynamics at electroweak scale successfully reproduces observations.

Abstract

We provide a simple mechanism for reconciling the direct dark matter experimental results. We consider light asymmetric composite dark matter which scatters off nuclei via Higgs and photon exchange. We demonstrate that the interference between these two channels naturally accommodates the experimental results. We discover that this happens for a compositeness scale of the order of the electroweak. We also provide a model realization based on strong dynamics at the electroweak scale.