Additional acceleration of cosmic rays in the interstellar medium

Details Additional acceleration of cosmic rays in the interstellar medium Additional acceleration of cosmic rays in the interstellar medium

Apr 1988

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1988pazh...14..311o&link_type=abstract

Pis'ma v Astronomicheskii Zhurnal (ISSN 0320-0108), vol. 14, April 1988, p. 311-316. In Russian. In Russian.

Astronomy and Astrophysics

Astronomy

1

Cosmic Rays, Interstellar Matter, Particle Acceleration, Astronomical Models, Particle Diffusion, Relativistic Particles

Scientific paper

The weak distributed acceleration of cosmic rays with energies greater than about 1-3 GeV/nucleon after their escape from compact sources is considered. It is proposed that the additional acceleration and spatial diffusion of cosmic rays is ensured by the interaction of relativistic particles with interstellar MHD turbulence. The propagation and nuclear fragmentation of cosmic rays in a diffusion galactic model with weak additional acceleration is studied. It is shown that this model is in good agreement with observational data on cosmic rays and the interstellar medium.

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