Coalescence and 2.7 K black body distorsion in baryon symmetric big bang cosmology

Details Coalescence and 2.7 K black body distorsion in baryon symmetric big bang cosmology Coalescence and 2.7 K black body distorsion in baryon symmetric big bang cosmology

Sep 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976a%26a....51..411r&link_type=abstract

Astronomy and Astrophysics, vol. 51, no. 3, Sept. 1976, p. 411-416.

Physics

11

Antimatter, Baryons, Big Bang Cosmology, Black Body Radiation, Annihilation Reactions, Background Radiation, Coalescing, Galactic Clusters, Matter (Physics)

Scientific paper

The paper discusses the efficiency of coalescence during the late phases of a baryon-symmetric big-bang cosmology. It is shown that during the radiative period, coalescence cannot be as efficient as was stated by Aldrovandi et al. (1973). During the matter-dominated period, matter and antimatter might be separated on the scale of clusters of galaxies, but only at the expense of substantive distorsions of the 2.7-K blackbody background radiation. Lower limits to these distorsions are computed as functions of the density of matter in the universe, and it is found that only in the case of a very dilute universe can these values be reconciled with experimental results.

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