Effects of particle drifts on the solar modulation of galactic cosmic rays

Details Effects of particle drifts on the solar modulation of galactic cosmic rays Effects of particle drifts on the solar modulation of galactic cosmic rays

Apr 1977

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1977apj...213l..85j&link_type=abstract

Astrophysical Journal, Part 2 - Letters to the Editor, vol. 213, Apr. 15, 1977, p. L85-L88.

Astronomy and Astrophysics

Astrophysics

36

Cosmic Rays, Galactic Radiation, Interplanetary Magnetic Fields, Magnetic Field Configurations, Particle Motion, Solar Wind Velocity, Curvature, Drift Rate, Monte Carlo Method, Particle Diffusion, Radial Distribution

Scientific paper

Gradient and curvature drifts in an Archimedean-spiral magnetic field are shown to produce a significant effect on the modulation of galactic cosmic rays by the solar wind. The net modulation, heliocentric radial gradient, and average energy change of particles which reach the inner solar system are significantly reduced. The effects of drifts are due to the fact that cosmic rays for which the drift velocity is comparable to the wind velocity or larger, have more rapid access to the inner solar system than in the absence of drifts.

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