Cosmic-ray distribution in the vicinity of the front of a nonstationary shock wave

Details Cosmic-ray distribution in the vicinity of the front of a nonstationary shock wave Cosmic-ray distribution in the vicinity of the front of a nonstationary shock wave

Aug 1976

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1976ge%26ae..16...25k&link_type=abstract

(Geomagnetizm i Aeronomiia, vol. 16, Jan.-Feb. 1976, p. 25-29.) Geomagnetism and Aeronomy, vol. 16, Aug. 1976, p. 14-16. Transl

Astronomy and Astrophysics

Astronomy

Forbush Decreases, Shock Fronts, Solar Cosmic Rays, Astronomical Models, Magnetic Field Configurations, Magnetic Storms, Perturbation Theory, Solar Flares, Solar Wind

Scientific paper

The flow and intensity dynamics of cosmic rays near the shock front caused by the large-scale perturbations responsible for Forbush decreases are analyzed using an approximation of a force-free flow to describe the solar wind. Boundary conditions for the solar-wind flow velocity are chosen under the assumption of constant density, and two possible magnetic-field configurations are determined. It is shown that the east-west asymmetry of the perturbing field is manifested in the observed system of cosmic-ray fluxes and in their intensity profiles.

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