
TL;DR
This paper introduces a novel composite Higgs model featuring a weakly-interacting dark matter candidate called the dark top, which links top quark contributions to dark matter properties, making the model highly predictive.
Contribution
It proposes the dark top as a unified solution for Higgs potential regulation and dark matter, providing concrete models with UV completions and LHC phenomenology.
Findings
Dark top models can simultaneously address Higgs potential and dark matter.
Predictions for dark matter cross sections are tightly linked to the dark top properties.
LHC signatures of dark top models are explored.
Abstract
We present a class of composite Higgs models in which the particle that regulates the top quark contribution to the Higgs potential is also a weakly-interacting dark matter candidate. This color-neutral "dark top" is related to the standard model top quark through a large global symmetry. Because the same couplings that control the Higgs potential also determine various dark matter cross sections, the dark top scenario is quite predictive once the dark top mass and various quantum numbers are specified. We construct two concrete examples of dark top models with plausible UV completions and study their dark matter properties and LHC signatures.
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