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17 results on '"Boivin, R. F."'

1. Electron-Impact Ionization of Mg

Author

Boivin, R. F and Srivastava, S. K

Abstract

A pulsed crossed beam technique is used to measure inonization cross-sections of metallic atoms. Relative values of cross-sections of single, double and triple inonization of magnesium have been successfully measured with good accuracy over the o-700 eV range. Absolute values of cross sections have been obtained by normalization to a theoretical value at high electron energy. Results are compared to previously published values and, for single inonization in particular, a comparison with theoretical cross-extions is perfomed.

Published
1997

2. Ion dynamics in helicon sources

Author

Kline, J. L., Balkey, M. M., Keiter, P. A., Scime, E. E., Keesee, A. M., Sun, X., Hardin, R., Compton, C., Boivin, R. F., and Zintl, M. W.

Subjects
Physics::Plasma Physics
Abstract

Recent experiments have demonstrated that phenomena associated with ion dynamics, such as the lower hybrid resonance, play an important role in helicon source operation. In this work, a review of recent ion heating measurements and the role of the slow wave in heating ions at the edge of helicon sources is presented. The relationship between parametrically driven waves and ion heating near the rf antenna in helicon sources is also discussed. Recent measurements of parallel and rotational ion flows in helicon sources are presented and the implications for particle confinement, instability growth, and helicon source operation are reviewed.

Published
2003

10. Ion dynamics in helicon sources

Author

Kline, J. L., primary, Balkey, M. M., additional, Keiter, P. A., additional, Scime, E. E., additional, Keesee, A. M., additional, Sun, X., additional, Hardin, R., additional, Compton, C., additional, Boivin, R. F., additional, and Zintl, M. W., additional

Published
2003
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17. Electron-Impact Ionization of Mg

Author

Boivin, R. F. and Boivin, R. F.

Abstract

A pulsed crossed beam technique is used to measure inonization cross-sections of metallic atoms. Relative values of cross-sections of single, double and triple inonization of magnesium have been successfully measured with good accuracy over the o-700 eV range. Absolute values of cross sections have been obtained by normalization to a theoretical value at high electron energy. Results are compared to previously published values and, for single inonization in particular, a comparison with theoretical cross-extions is perfomed.

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