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A cylindrical shell model of the NASA-MPE barium ion cloud experiment. (1973)

Prak, J. W. L. ; Grauer, A. D. ; Jenkins, A. W., Jr.

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Publication Date: 2019-06-27

Description: A computer model is developed using infinitely long concentric cylindrical shells to represent the neutral atoms, ions and electrons in the barium cloud. The neutral shells are given a distribution of positions and velocities whose parameters are chosen to be consistent with the dynamics of the release. From this distribution, the ion and electron shells are generated at random using the observed time constant for photoionization. The ion and electron shells thus formed are followed using self-consistent equations of motion. Various averages which could be compared with observation of the actual cloud are calculated at regular time intervals. An unexpected result is the predicted very early return of the magnetic field within the cloud to its ambient value.

Keywords: GEOPHYSICS

Type: Planetary and Space Science; 21; Apr. 197

Format: text

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