Antiprotons Annihilation in the Galaxy As A Source of Diffuse Gamma Background

Details Antiprotons Annihilation in the Galaxy As A Source of Diffuse Gamma Background Antiprotons Annihilation in the Galaxy As A Source of Diffuse Gamma Background

2000-05-21

arxiv.org/abs/astro-ph/0005419v1

Phys.Atom.Nucl. 64 (2001) 1821-1829; Yad.Fiz. 64 (2001) 1904-1912

Astronomy and Astrophysics

Astrophysics

LaTeX2e, 18 pages, 3 PostScript figures. Submitted to Yad.Fiz

Scientific paper

10.1134/1.1414930

The existence of antimatter domains in baryon asymmetrical Universe can appear as the cosmological consequence of particle theory in inflationary models with non-homogeneous baryosynthesis. Such a domain can survive in the early Universe and form globular cluster of antimatter stars in our Galaxy. The model of antimatter pollution of Galaxy and annihilation with matter gas is developed. The proton-antiproton annihilation gamma flux is shown to reproduce the observed galactic gamma background measured by EGRET. From comparison with observational data the estimation on the maximally allowed amount of antimatter stars, possibly present in our Galaxy, is found.

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