Transportation of High Current Highly Charged Ion Beams

• 作者: SongMingtao
• 来源期刊: 近代物理研究所和兰州重离子加速器实验室年报：英文版
• 学科: 工学
• 关键词: 高电荷态强流离子束传输 加速器设计 注入电流 ECR离子源 校正度
• 年，卷（期）: 2002,（1）
• 页码范围: 137
• 页数: 1页
• 分类号: TL503

摘要

<正> In recent years, there is an increasing requirement of high injection current and highly charged ion beams at many accelerator laboratories, such as CERN, GSI, GANIL, LBNL, INFN and IMP. This is a real challenge on beam transportation, especially when a super conducting ECR sources is employed.On one hand, the space charge effect becomes a major concern when the bearr current is as high as tens of mA. Usually, the space charge of ion is partially compensated to a high degree by electrons produced in the bombardment with residual gas and vacuum chamber, providing no electrode is involved in the beam transfer