Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
10721821 | Physics Letters B | 2012 | 4 Pages |
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.
Related Topics
Physical Sciences and Engineering
Physics and Astronomy
Nuclear and High Energy Physics
Authors
Chao-Qiang Geng, Ryo Takahashi,