The BNL volume H− ion source
- 1 January 1990
- proceedings article
- Published by AIP Publishing in AIP Conference Proceedings
- Vol. 210 (1) , 304-322
- https://doi.org/10.1063/1.39601
Abstract
This paper is a progress report on the studies of the BNL volume H− ion source. We have measured the H− yield, I H −, and the ratio I e /I H − as function of the size of the extraction aperture, strength of the conical filter field, size and position of the filament, and of the phase of the filament heating current. The H− current density in the extraction aperture was lower for the largest aperture, while there was a broad maximum when the conical field varied. Position of the filament and the phase of the filament heating current are very important parameters.Keywords
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