Magnetic dipole moment and keV neutrino dark matter

Details Magnetic dipole moment and keV neutrino dark matter Magnetic dipole moment and keV neutrino dark matter

2012-01-07

arxiv.org/abs/1201.1534v2

Physics

High Energy Physics

High Energy Physics - Phenomenology

11 pages, no figure, revised version accepted by PLB

Scientific paper

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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