Right-handed neutrino dark matter in $U(1)_X$SSM

TL;DR

This paper investigates right-handed neutrinos as dark matter candidates within the $U(1)_X$SSM, analyzing relic density and scattering cross sections to identify parameter spaces consistent with experimental constraints.

Contribution

It introduces right-handed neutrinos as dark matter candidates in the $U(1)_X$SSM and explores their relic density and detection prospects.

Findings

Some parameter spaces satisfy relic density constraints.

Certain parameter regions meet direct detection experimental limits.

The model provides viable dark matter candidates.

Abstract

There is strong evidence for the existence of dark matter in a number of current experiments. We study dark matter using the $U(1)_X$SSM obtained from the $U(1)_X$ extension of the minimal supersymmetric standard model (MSSM). In the $U(1)_X$SSM, we use the right-handed neutrino as a dark matter candidate, whose lightest mass eigenstate has cold dark matter features. In this paper, the relic density of right-handed neutrino as dark matter is investigated. For dark matter scattering, both spin-independent and spin-dependent cross sections are studied. In the final numerical results obtained, some parameter spaces can satisfy the constraints of the relic density and dark matter direct detection experiments.