Study of beam optics and beam halo by integrated modeling of negative ion beams from plasma meniscus formation to beam acceleration

K. Miyamoto, S. Okuda, A. Hatayama, M. Hanada, A. Kojima

研究成果: Article査読

19 被引用数 (Scopus)

抄録

To understand the physical mechanism of the beam halo formation in negative ion beams, a two-dimensional particle-in-cell code for simulating the trajectories of negative ions created via surface production has been developed. The simulation code reproduces a beam halo observed in an actual negative ion beam. The negative ions extracted from the periphery of the plasma meniscus (an electro-static lens in a source plasma) are over-focused in the extractor due to large curvature of the meniscus.

本文言語English
論文番号023512
ジャーナルApplied Physics Letters
102
2
DOI
出版ステータスPublished - 2013 1 14

ASJC Scopus subject areas

  • 物理学および天文学(その他)

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