Inner-belt Van Allen radiation |
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Authors: | Stanley C Freden |
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Institution: | (1) Aerospace Corp., El Segundo, Calif., USA;(2) Present address: NASA Manned Spacecraft Center, Houston, Texas, USA |
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Abstract: | A survey of the present state of knowledge about the inner radiation zone is presented. This includes a historical review of empirical data and theoretical considerations concerning electrons, protons, and heavier particles. Included are results obtained from the various high-altitude nuclear tests. Recent experimental results are presented and some newer theoretical ideas, such as pitch-angle scattering and radial diffusion, are discussed as applied to the data. Comparisons of the measured fluxes, spectra, and time variations with the theoretical calculations are made where possible.Some conclusions are drawn pertaining to the sources and loss processes for the trapped particles, and some comments are made regarding future measurements in the inner zone. |
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