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

18 引用 (Scopus)

抜粋

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.

元の言語English
記事番号023512
ジャーナルApplied Physics Letters
102
発行部数2
DOI
出版物ステータスPublished - 2013 1 14

ASJC Scopus subject areas

  • Physics and Astronomy (miscellaneous)

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