Magnetic dipole moment and keV neutrino dark matter
Chao-Qiang Geng, Ryo Takahashi
TL;DR
This paper investigates the magnetic dipole moments of right-handed neutrinos within a keV neutrino dark matter model, providing bounds based on cosmological data and exploring the model's implications.
Contribution
It introduces a minimal extension of the standard model with right-handed neutrinos and charged particles to analyze dark matter properties.
Findings
Bounds on dark matter magnetic dipole moments derived from cosmological observations
Constraints on model parameters for keV neutrino dark matter
Implications for neutrino magnetic properties in dark matter models
Abstract
We study magnetic dipole moments of right-handed neutrinos in a keV neutrino dark matter model. This model is a simple extension of the standard model with only right-handed neutrinos and a pair of charged particles added. One of the right-handed neutrinos is the candidate of dark matter with a keV mass. Some bounds on the dark matter magnetic dipole moment and model parameters are obtained from cosmological observations.
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