Physics – High Energy Physics – High Energy Physics - Phenomenology
Scientific paper
2001-09-14
Astropart.Phys.19:441-446,2003
Physics
High Energy Physics
High Energy Physics - Phenomenology
6 pages, more accurate estimate and minor corrections
Scientific paper
10.1016/S0927-6505(02)00241-4
The existence of antimatter stars in the Galaxy as possible signature for inflationary models with non-homogeneous baryo-synthesis may leave the trace by antimatter cosmic rays as well as by their secondaries (anti-planets and anti-meteorites) diffused bodies in our galactic halo. The anti-meteorite flux may leave its explosive gamma signature by colliding on lunar soil as well as on terrestrial, jovian and solar atmospheres. However the propagation in galaxy and the consequent evaporation in galactic matter gas suppress the lightest (m < 10^(-2)g) anti-meteorites. Anisotropic annihilation of larger anti-meteorites within a narrow mass window, maybe rarely deflected, bounced by the galactic gas disk, escaping detection in our solar system. Nevertheless heaviest anti-meteorites (m > 10^(-1)g up to 10^(6)g) are unable to be deflected by the thin galactic gas surface annihilation; they might hit the Sun (or rarely Jupiter) leading to an explosive gamma event and a spectacular track with a bouncing and even a propelling annihilation on cromosphere and photosphere. Their anti-nuclei annihilation in pions and their final hard gammas showering may be observabe as a "solar flare" at a rate nearly comparable to the observed ones. From their absence we may infer bounds on antimatter-matter ratio near or below 10^(-9) limit: already recorded data in BATSE catalog might be applied.
Fargion Daniele
Khlopov Maxim
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