Importance of transverse diffusion for cosmic-ray propagation

Details Importance of transverse diffusion for cosmic-ray propagation Importance of transverse diffusion for cosmic-ray propagation

Sep 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984apj...284..817b&link_type=abstract

Astrophysical Journal, Part 1 (ISSN 0004-637X), vol. 284, Sept. 15, 1984, p. 817-826.

Astronomy and Astrophysics

Astrophysics

17

Astronomical Models, Cosmic Rays, Interstellar Magnetic Fields, Particle Acceleration, Particle Diffusion, Toroidal Plasmas, Diffusion Coefficient, Magnetic Flux, Magnetohydrodynamic Turbulence, Milky Way Galaxy

Scientific paper

The importance of transverse diffusion for cosmic ray propagation is reinvestigated with a description of the turbulent magnetic field based on toroidal plasma theory. A coupling between transverse diffusion and parallel diffusion is found to occur on a galactic scale in a number of cases. The radial diffusion coefficient perpendicular to the average magnetic field is found to be smaller than previously thought by an important factor. So a better confinement of the cosmic rays is expected in the Galaxy.

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