小型医用质子同步加速器的慢引出设计
DESIGN OF SLOW EXTRACTION FOR A SMALL PROTON THERAPY SYNCHROTRON
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摘要: 围绕北京医用质子同步加速器的方案, 研究设计了1/3整数共振的慢引出系统。利用该系统, 可获得较高的引出效率(大于95% )、较小的引出束流发射度(在静电切割器处, 积分发射度为0.15πmm·mrad)、较窄的引出动量分散(0.12% ) 以及较均匀的引出束流。
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关键词:
- 质子同步加速器 /
- 1/3 整数共振引出
Abstract: A third order beam extraction scheme for the conceptual design of Beijing proton therapy synchrotron is presented in this paper.Using the scheme,an extraction of beam with higher efficiency(above 95%),smaller emittance(0.15πmm·mrad of time integrated emittance at the electrostatic septum),narrower momentum spread(0.12%) and more uniform intensity can be obtained.-
Key words:
- proton synchrotron 1/3 integer resonant extraction /
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