Concerning alpha at seven earth radii

by E. C. Ray

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In a previous work, there was exposed an integral of the Stormer type which, although approximate, competently describes the motion of charged particles in the earth's magnetic filed as described by Finch and Leaton. The present work shows, by a numerical example, that, at least for trapped radiation, the addition of a solar-wind cavity field introduces no complications that are quantitatively important for L values less than about 7 earth radii.

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