Searching for Vector-Like Quarks in a Fermionic Dark Matter Model with Pseudoscalar: A Resonance Case

TL;DR

This paper introduces a minimal fermionic dark matter model with a pseudoscalar mediator and vector-like quarks, analyzing relic density, experimental constraints, and resonance phenomena to explore potential signals of new particles.

Contribution

It presents a novel minimal model combining fermionic dark matter with vector-like quarks and pseudoscalar mediator, including relic density calculations and resonance analysis.

Findings

New constraints on vector-like quark generation and coupling strength.

Resonance case analysis relevant to major particle detection experiments.

Significant bounds on model parameters from relic density and experimental data.

Abstract

We propose a minimal model of a fermionic dark matter with a pseudoscalar mediator and N generation of vector-like quarks. We calculate the relic density and obtain new constraint on the generation of the aforementioned quarks. Concerning phenomenological aspects, we probe the presenting model via direct and indirect approaches. Finally, as an illustrative example, we evaluate a resonance case which has been (would be) the subject of major experiments aiming to detect new particles. Performing this analysis results in significant constraints on the coupling strength of the vector-like quarks.