Physics – Nuclear Physics
Scientific paper
Apr 2010
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=2010prpnp..64..449r&link_type=abstract
Progress in Particle and Nuclear Physics, Volume 64, Issue 2, p. 449-450.
Physics
Nuclear Physics
Scientific paper
The lightest right-handed or sterile neutrino, that is embedded in a renormalizable seesaw-like extension of the standard model, with a mass m˜15keV/c2 and a tiny mixing θ˜10-6.5 to one of the left-handed active neutrinos, is an attractive quasi-stable dark matter particle candidate. This sterile neutrino is produced in the early universe with the dark matter abundance required by WMAP. It is quasi-stable, decaying in about 1019 years into two neutrinos and an antineutrino, and it may be observed directly through its subdominant radiative decay into an active neutrino and a photon in about 1021 years. In contrast to the galaxies, that are known to form hierarchically, the supermassive black holes are formed anti-hierarchically, i.e. the most massive quasars first, and the least massive active galactic nuclei last. Here we argue that the anti-hierarchical formation of the supermassive black holes may be due to the possibility that both, the quasars and active galactic nuclei, may originate from supermassive degenerate neutrino balls that are swallowed up by stellar-mass black holes, produced by supernova explosions of massive stars at the centers of the neutrino balls.
Richter M. C.
Tupper Gary B.
Viollier Raoul D.
No associations
LandOfFree
Neutrino masses, dark matter and the mysterious early quasars does not yet have a rating. At this time, there are no reviews or comments for this scientific paper.
If you have personal experience with Neutrino masses, dark matter and the mysterious early quasars, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Neutrino masses, dark matter and the mysterious early quasars will most certainly appreciate the feedback.
Profile ID: LFWR-SCP-O-1190841