Cosmic-ray shock acceleration in oblique MHD shocks

Details Cosmic-ray shock acceleration in oblique MHD shocks Cosmic-ray shock acceleration in oblique MHD shocks

May 1986

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1986a%26a...160..335w&link_type=abstract

Astronomy and Astrophysics (ISSN 0004-6361), vol. 160, no. 2, May 1986, p. 335-346.

Astronomy and Astrophysics

Astrophysics

22

Cosmic Rays, Magnetohydrodynamics, Particle Acceleration, Shock Wave Propagation, High Temperature Plasmas, Ideal Gas, Space Plasmas, Steady State, Two Fluid Models

Scientific paper

A one-dimensional, steady-state hydrodynamical model of cosmic-ray acceleration at oblique MHD shocks is presented. Upstream of the shock the incoming thermal plasma is subject to the adverse pressure gradient of the accelerated particles, the JxB force, as well as the thermal gas pressure gradient. The efficiency of the acceleration of cosmic-rays at the shock as a function of the upstream magnetic field obliquity and upstream plasma beta is investigated. Astrophysical applications of the results are briefly discussed.

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