Cosmic ray antiprotons in the closed galaxy model

Details Cosmic ray antiprotons in the closed galaxy model Cosmic ray antiprotons in the closed galaxy model

Dec 1981

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1981apj...251..387p&link_type=abstract

Astrophysical Journal, Part 1, vol. 251, Dec. 1, 1981, p. 387-392.

Astronomy and Astrophysics

Astrophysics

62

Antiprotons, Astronomical Models, Cosmic Rays, Galactic Structure, Milky Way Galaxy, Abundance, Kinetic Energy, Particle Acceleration, Particle Production, Proton Flux Density

Scientific paper

A calculation is made of the flux of secondary antiprotons expected for the leaky box model and for the closed galaxy model of Peters and Westergaard (1977). The antiproton/proton ratio observed at several GeV is a factor of 4 higher than the prediction for the leaky box model but is consistent with that predicted for the closed galaxy model. It is found that new low-energy data are not consistent with either model. Attention is given to the possibility of a primary antiproton component.

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