Drift and observations in cosmic-ray modulation, 1

Details Drift and observations in cosmic-ray modulation, 1 Drift and observations in cosmic-ray modulation, 1

Aug 1985

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1985icrc....4..425p&link_type=abstract

In NASA. Goddard Space Flight Center 19th Intern. Cosmic Ray Conf., Vol. 4 p 425-428 (SEE N85-34729 23-92)

Physics

Cosmic Rays, Drift Rate, Heliosphere, Interplanetary Magnetic Fields, Pulse Modulation, Anisotropy, Convection, Diffusion Coefficient, Electrons, Kinetic Energy, Polarity, Protons, Solar Activity

Scientific paper

It is illustrated that a relative simple drift model can, in contrast with no drift models, simultaneously fit proton and electron spectra observed in 1965-66 and 1977, using a single set of modulation parameters except for a change in the IMF polarity. This result is interpreted together with the observation of Evenson and Meyer that electrons are recovering more rapidly than protons after 1980, in contrast with what Burger and Swanenburg observed in 1968-72, as a charge sign dependent effect due to the occurrence of drift in cosmic ray modulation. The same set of parameters produces a shift in the phase and amplitude of the diurnal anisotropy vector, consistent with observations in 1969-71 and 1980-81.

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