The structure of cosmic ray shocks

Details The structure of cosmic ray shocks The structure of cosmic ray shocks

Jul 1982

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1982a%26a...111..317a&link_type=abstract

Astronomy and Astrophysics, vol. 111, no. 2, July 1982, p. 317-325.

Astronomy and Astrophysics

Astrophysics

140

Cosmic Rays, Energy Transfer, Gas Dynamics, Particle Acceleration, Shock Wave Propagation, Energetic Particles, Gas Flow, Hydrodynamics, Kinetic Energy, Mach Number

Scientific paper

The acceleration of cosmic rays by steady shock waves has been discussed in brief reports by Leer et al. (1976) and Axford et al. (1977). This paper presents a more extended version of this work. The energy transfer and the structure of the shock wave is discussed in detail, and it is shown that even for moderately strong shock waves most of the upstream energy flux in the background gas is transferred to the cosmic rays. This holds also when the upstream cosmic ray pressure is very small. For an intermediate Mach-number regime the overall shock structure is shown to consist of a smooth transition followed by a gas shock (cf. Drury and Voelk, 1980).

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