Sterile neutrinos as dark matter candidates

@article{Kopp2022SterileNA,
  title={Sterile neutrinos as dark matter candidates},
  author={Joachim Kopp},
  journal={SciPost Physics Lecture Notes},
  year={2022}
}
  • J. Kopp
  • Published 2 September 2021
  • Physics
  • SciPost Physics Lecture Notes
In these brief lecture notes, we introduce sterile neutrinos as dark matter candidates. We discuss in particular their production via oscillations, their radiative decay, as well as possible observational signatures and constraints.  

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References

SHOWING 1-10 OF 29 REFERENCES
Sterile neutrino Dark Matter
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Constraints from Ly-α forests on non-thermal dark matter including resonantly-produced sterile neutrinos
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Sterile neutrinos: The Dark side of the light fermions
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Electromagnetic Properties and Decays of Dirac and Majorana Neutrinos in a General Class of Gauge Theories
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Exotic decays of the muon and heavy leptons in gauge theories
Abstract We have studied the decay l1 → l2 + γ for arbitrary like charged spin 1 2 leptons in a manner which is applicable to a large class of models. Our computations assume that this process is
Dynamical Role of Light Neutral Leptons in Cosmology
Using the Vlasov equation, we show that massive galactic halos cannot be composed of stable neutral leptons of mass \ensuremath{\lesssim} 1 MeV. Since most of the mass in clusters of galaxies
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