Mathematics – Logic
Scientific paper
Nov 1984
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984esasp.207..327s&link_type=abstract
In ESA Plasma Astrophys. p 327-340 (SEE N85-22270 12-90)
Mathematics
Logic
Background Radiation, Big Bang Cosmology, Galactic Evolution, Anisotropic Media, Annihilation Reactions, Antiprotons, Elementary Particles
Scientific paper
Implications of the isotropy of the cosmic microwave background on large and small angular scales for galaxy formation are reviewed. In the context of primeval adiabatic fluctuations, one is compelled to consider a universe dominated by cold, weakly interacting non-baryonic matter. One of the more interesting candidates for this matter is the massive photino, and a possible signature of photino annihilation in our galactic halo involves production of cosmic ray antiprotons. If the density is near its closure value, it is necessary to invoke a biasing mechanism for suppressing galaxy formation throughout most of the universe in order to reconcile the dark matter density with the lower astronomical determinations of the mean cosmological density. A mechanism is described utilizing the onset of primordial massive star formation to strip gaseous protogalaxies, only the densest, early collapsing systems forming luminous galaxies.
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