Super-Kamiokande 0.07 eV Neutrinos in Cosmology: Hot Dark Matter and the Highest Energy Cosmic Rays [chapter]

Graciela B. Gelmini
2001 Sources and Detection of Dark Matter and Dark Energy in the Universe  
Relic neutrinos with mass in the range indicated by Super-Kamiokande results if neutrino masses are hierarchial (about 0.07 eV) are many times deemed too light to be cosmologically relevant. Here we remark that these neutrinos may significantly contribute to the dark matter of the Universe (with a large lepton asymmetry L) and that their existence might be revealed by the spectrum of ultra high energy cosmic rays (maybe even in the absence of a large L).
doi:10.1007/978-3-662-04587-9_53 fatcat:wwckp6h25rd5tecg6azvtpmvsy