Modeling of neutrals and H- transport in a large negative ion source

N. Kameyama, D. Matsushita, S. Koga, R. Terasaki, A. Hatayama

研究成果: Conference contribution

1 被引用数 (Scopus)

抄録

A systematic study of the extraction probability of surface-produced H - ions from the ion source has been done with H- and neutral Monte-Carlo transport modeling. Without the effects of the flow velocity of background H+ ions and neutrals, the extraction probability (E.P.) depends strongly on the strength of the magnetic filter field B MF for the low gas pressure condition. On the other hand, the E.P. does not depend so much on BMF for the high gas pressure condition. Neutral transport modeling shows that H2 neutral possibly has a relatively high velocity (∼1km/s). The effect on the E.P., however, is not significant even for the high gas pressure regime.

本文言語English
ホスト出版物のタイトルSecond International Symposium on Negative Ions, Beams and Sources, NIBS2010
ページ39-47
ページ数9
DOI
出版ステータスPublished - 2011 10月 13
イベント2nd International Symposium on Negative Ions, Beams and Sources, NIBS2010 - Takayama City, Japan
継続期間: 2010 11月 162010 11月 19

出版物シリーズ

名前AIP Conference Proceedings
1390
ISSN(印刷版)0094-243X
ISSN(電子版)1551-7616

Other

Other2nd International Symposium on Negative Ions, Beams and Sources, NIBS2010
国/地域Japan
CityTakayama City
Period10/11/1610/11/19

ASJC Scopus subject areas

  • 物理学および天文学(全般)

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