Denouement of Jovian radiation belt theory

Details Denouement of Jovian radiation belt theory Denouement of Jovian radiation belt theory

Sep 1975

adsabs.harvard.edu/cgi-bin/nph-data_query?bibcode=1975ssrv...17..837c&link_type=abstract

Space Science Reviews, vol. 17, Sept. 1975, p. 837-856.

Astronomy and Astrophysics

Astronomy

5

Astronomical Models, Atmospheric Models, Jupiter Atmosphere, Planetary Radiation, Radiation Belts, Electron Flux Density, Electron Precipitation, Ionospheric Electron Density, Pioneer 10 Space Probe, Planetary Magnetospheres, Thermal Diffusion

Scientific paper

Predictions of theoretical models of Jupiter's radiation belts are compared with Pioneer 10 measurements. A brief quasi-historical review is given of the evolution of the basic theoretical ideas with emphasis on the three physical processes that were believed to be dominant in the Jovian electron fluxes: radial-diffusion transport, limitation of particle fluxes by plasma wave turbulence, and particle losses from collisional sweep-up by the Galilean satellites. Pioneer 10 data on the inner zone are discussed which yield the clearest evidence for radial diffusion being the dominant transport process, the synchrotron flux density is estimated using Pioneer 10 measurements, and the observed outer-zone electron fluxes are favorably compared with the qualitative and quantitative predictions of the whistler-mode stable-trapping model. The outer-zone electron-precipitation flux is estimated, and it is suggested that precipitation could affect the structure of the Jovian ionosphere. Satellite sweep-up is shown to be less severe than had been anticipated.

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