Experimental verification of ion-transport mechanisms in the earth radiation belts under the effect of nonstationary electric fields

Details Experimental verification of ion-transport mechanisms in the earth radiation belts under the effect of nonstationary electric fields Experimental verification of ion-transport mechanisms in the earth radiation belts under the effect of nonstationary electric fields

Jul 1984

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1984kosis..22..572p&link_type=abstract

Kosmicheskie Issledovaniia (ISSN 0023-4206), vol. 22, July-Aug. 1984, p. 572-587. In Russian.

Computer Science

2

Electric Fields, Geoelectricity, Ion Motion, Radiation Belts, Energy Dissipation, Magnetic Diffusion, Protons, Spatial Distribution, Unsteady State

Scientific paper

An analysis is presented of experimental data on the spatial distribution of intensity maxima (Ljm) in the radiation belts for H, He, C, and O ions in the range of energies from 100 keV to tens of MeV near the geomagnetic equator. The results are compared with results based on the theory of the formation of the radiation belts under the effect of fluctuations of magnetic and electric fields in the magnetosphere. An expression is obtained for the experimental ion distributions at energies greater than hundreds of keV in the framework of magnetic diffusion. The amplitude of nonstationary electric fields is found to decrease substantially inside the radiation belts. The energy dependence of Ljm for protons with energies exceeding several MeV at L less than 2 indicates that this component is transported with a higher diffusion coefficient than less energetic ions at L greater than 2.

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