Distributed acceleration of cosmic rays

Details Distributed acceleration of cosmic rays Distributed acceleration of cosmic rays

Sep 1983

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1983phrvl..51.1217s&link_type=abstract

Physical Review Letters (ISSN 0031-9007), vol. 51, Sept. 26, 1983, p. 1217-1220. NASA-Navy-supported research.

Physics

29

Cosmic Rays, Electromagnetic Wave Transmission, Interstellar Space, Particle Acceleration, Abundance, Interstellar Matter, Nucleons, Supernova Remnants

Scientific paper

It is proposed that the acceleration of cosmic rays is distributed over their propagation through interstellar space. Thus after most nuclear fragmentation reactions in the interstellar medium, cosmic rays gain about a factor of 5 in energy. This hypothesis resolves several discrepancies in composition at different energies. The present results suggest that after the principal acceleration and during their galactic confinement, cosmic rays are further accelerated by the weak shocks of widely distributed old supernova remnants.

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