Astronomy and Astrophysics – Astronomy
Scientific paper
Feb 1987
adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1987azh....64....1d&link_type=abstract
Astronomicheskii Zhurnal (ISSN 0004-6299), vol. 64, Jan.-Feb. 1987, p. 1-14. In Russian.
Astronomy and Astrophysics
Astronomy
5
Anisotropic Media, Cosmology, Hydrogen Ions, Ion Recombination, Relic Radiation, Astronomical Models, Black Holes (Astronomy), Ion Production Rates, Radioactive Decay
Scientific paper
The generation of the small-scale anisotropy of the relic electromagnetic radiation in models with secondary ionization of pregalactic matter is investigated. It is assumed that high-energy quanta, created by decays of unstable massive particles or primordial black holes, were the source of redundant ionization of hydrogen. The kinetics of ionization and recombination of hydrogen is investigated, and principal versions of evolution of the Thomson optical depth are calculated. It is shown that in the models with secondary ionization of hydrogen the level of anisotropy of the relic background radiation at angular scales of 5 - 30 arc minutes has to be 10 - 20 times less than the observational upper limits.
Dorosheva E. I.
Naselskij P. D.
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