Spectral shape of cosmic rays over the Galaxy

Details Spectral shape of cosmic rays over the Galaxy Spectral shape of cosmic rays over the Galaxy

Jan 1978

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1978jpha...11..199g&link_type=abstract

Journal of Physics A - Mathematical and General, vol. 11, Jan. 1978, p. 199-208.

Physics

Nuclear Physics

8

Cosmic Rays, Energy Spectra, Galactic Radiation, Nuclei (Nuclear Physics), Particle Flux Density, Particle Motion, Positrons, Astronomical Models, Milky Way Galaxy, Particle Diffusion, Particle Energy, Particle Production

Scientific paper

It was recently pointed out that there is fairly strong evidence for the intensity of cosmic-ray positrons being lower than that expected from interactions of cosmic-ray nuclei with interstellar matter using the simple 'leaky box' model. The present work examines more general models of propagation of Galactic cosmic-ray nuclei and positrons. It is shown that the discrepancy is present for other models too; only if the shape of the cosmic-ray spectrum varies from place to place in the Galaxy does it appear possible to reconcile the positron data.

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