Beam breakup instability in an annular electron beam
作者:
Y. Y. Lau,
John W. Luginsland,
期刊:
Journal of Applied Physics
(AIP Available online 1993)
卷期:
Volume 74,
issue 9
页码: 5877-5879
ISSN:0021-8979
年代: 1993
DOI:10.1063/1.354161
出版商: AIP
数据来源: AIP
摘要:
It is shown that an annular electron beam may carry six times as much current as a pencil beam for the same beam breakup (BBU) growth. This finding suggests that the rf magnetic field of the breakup mode is far more important than the rf electric field in the excitation of BBU. A proof‐of‐principle experiment is suggested, and the implications explored.
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