Effective WIMPs
Spencer Chang, Ralph Edezhath, Jeffrey Hutchinson, and Markus Luty

TL;DR
This paper explores minimal weakly interacting massive particle (WIMP) models with renormalizable couplings to standard model particles, analyzing their relic abundance, collider, and direct detection constraints, especially for colored dark matter interactions.
Contribution
It introduces a minimal class of WIMP models with cubic couplings, providing a framework to compare collider and direct detection constraints in a unified parameter space.
Findings
Collider and direct detection searches are highly complementary.
Direct detection limits push non-self-antiparticle dark matter masses into multi-TeV range.
Collider searches strongly constrain self-antiparticle dark matter models, especially with monojet and jets + MET signals.
Abstract
The 'WIMP miracle' for the relic abundance of thermal dark matter motivates weak scale dark matter with renormalizable couplings to standard model particles. We study minimal models with such couplings that explain dark matter as a thermal relic. The models contain a singlet dark matter particle with cubic renormalizable couplings between standard model particles and 'partner' particles with the same gauge quantum numbers as the standard model particle. The dark matter has spin 0, 1/2, or 1, and may or may not be its own antiparticle. Each model has 3 parameters: the masses of the dark matter and standard model partners, and the cubic coupling. Requiring the correct relic abundance gives a 2-dimensional parameter space where collider and direct detection constraints can be directly compared. We focus on the case of dark matter interactions with colored particles. We find that collider…
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