Neutrinos as Hot or Warm Dark Matter (Active + Sterile)

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HOT DARK MATTER CB Formation Direct Detection Sterile Component
As T ~ a few MeV in the Universe, the survival relativistic particleswere photons, electrons, positrons, neutrinos and antineutrinos.Electroweak reactions:Formation of CBNeutrinos decoupled from matter:Weak interactionsNumber density of 6 relic ’s:Hubble expansion’s in thermal contact with cosmic plasmaneutrino and photontemperatures (blue)neutrino decoupling’s not in thermal contact with matterarrow of time
Page 1 and 2: Neutrinos as Hot or Warm Dark Matte
Page 3: Sub-eV or keV Neutrinos?A purely ph
Page 7 and 8: CB Must Be ThereToday’s matter &
Page 9 and 10: ExampleSalient feature: the cross s
Page 11 and 12: Cosmic anti-Background?Overdensitie
Page 13 and 14: Hamann et al, arXiv:1006.5276; 1108
Page 15 and 16: OverdensitiesGravitational clusteri
Page 17 and 18: keV sterile Dark MatterThere is no
Page 19 and 20: keV sterile Dark MatterProduction:
Page 21 and 22: Detection in the LabThe same method
Page 23 and 24: Summary----- CB: a test of cosmolog

Neutrinos as Hot or Warm Dark Matter (Active + Sterile)

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