Sterile neutrino dark matter as a consequence of nuMSM-induced lepton asymmetry

@article{Laine2008SterileND,
  title={Sterile neutrino dark matter as a consequence of nuMSM-induced lepton asymmetry},
  author={M. Laine and M. Shaposhnikov},
  journal={Journal of Cosmology and Astroparticle Physics},
  year={2008},
  volume={2008},
  pages={031}
}
It has been pointed out by one of the authors (Shaposhnikov 2008Preprint0804.4542) that in the νMSM (Standard Model extended with three right-handed neutrinos with masses smaller than the electroweak scale), there is a corner in the parameter space where CP-violating resonant oscillations among the two heaviest right-handed neutrinos continue to operate below the freeze-out temperature of sphaleron transitions, leading to a lepton asymmetry which is considerably larger than the baryon asymmetry… Expand
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