Cosmic-ray antimatter - A primary origin hypothesis

Details Cosmic-ray antimatter - A primary origin hypothesis Cosmic-ray antimatter - A primary origin hypothesis

Oct 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983ap%26ss..96..171s&link_type=abstract

Astrophysics and Space Science (ISSN 0004-640X), vol. 96, no. 1, Oct. 1983, p. 171-177.

Astronomy and Astrophysics

Astrophysics

25

Antimatter, Antiprotons, Cosmology, Primary Cosmic Rays, Astronomical Models, Galactic Radiation, Helium, Particle Flux Density

Scientific paper

The present investigation is concerned with the possibility that the observed cosmic-ray protons are of primary extragalactic origin, taking into account the significance of the current antiproton data. Attention is given to questions regarding primary antiprotons, antihelium fluxes, and the propagation of extragalactic cosmic rays. It is concluded that the primary origin hypothesis should be considered as a serious alternative explanation for the cosmic-ray antiproton fluxes. Such extragalactic primary origin can be considered in the context of a baryon symmetric domain cosmology. The fluxes and propagation characteristics suggested are found to be in rough agreement with the present antiproton data.

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