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Proceedings Paper

Ion-Acoustic Waves And Drift Waves In Negative Ion Sources
Author(s): Richard A. Gerwin
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Paper Abstract

Attention is directed towards instabilities induced in Hydrogen plasmas due to the presence of the desired H- ions. Preliminary investigations indicate that the low density H- beam causes collective instabilities even at very low beam velocities compared to ion acoustic and ion thermal velocities, provided that the non-ideal properties of the background plasma are taken into consideration. The most dangerous instabilities involve oscillations transverse to the direction of beam extraction, and may thereby degrade the beam emittance.

Paper Details

Date Published: 25 July 1989
PDF: 13 pages
Proc. SPIE 1061, Microwave and Particle Beam Sources and Directed Energy Concepts, (25 July 1989); doi: 10.1117/12.951854
Show Author Affiliations
Richard A. Gerwin, Los Alamos National Laboratory (United States)


Published in SPIE Proceedings Vol. 1061:
Microwave and Particle Beam Sources and Directed Energy Concepts
Howard E. Brandt, Editor(s)

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