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Bunching and chopping for tandem accelerators. Part I: Bunching
Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms ( IF 1.4 ) Pub Date : 2021-05-06 , DOI: 10.1016/j.nimb.2021.02.013
Nikolai R. Lobanov , Peter Linardakis , Daniel Tempra

A pulsed system capable of delivering up to a few microamps with a mass range 1–100 u, and with pulse width of bursts of ions approximately 1–2 ns is described. Critical design limitations are discussed to show the overall approach to meet a number of experimental requirements. The system consists of a SNICS negative ion source, a low energy buncher which uses the entire tandem electrostatic accelerator as a drift path to produce bunched ion bursts at the targets or linac entry, and high energy choppers. The buncher consists of a single acceleration gap with aligned removable grids. A detailed analysis is presented of the factors limiting the system performance, with the aim to lessen their effect on the ultimate minimum longitudinal phase space of the ion burst.



中文翻译:

串并加速器的切碎。第一部分:捆绑

描述了一种脉冲系统,该系统能够输送质量范围为1–100 u的高达几微安的电流,并且离子猝发的脉冲宽度约为1-2 ns。讨论了关键的设计限制,以显示满足许多实验要求的总体方法。该系统由一个SNICS负离子源,一个低能聚束器和一个高能斩波器组成,该低能聚束器将整个串联静电加速器用作漂移路径,以在目标或直线加速器入口处产生成束的离子爆发。集束器由单个加速间隙和对齐的可移动网格组成。对限制系统性能的因素进行了详细分析,目的是减少它们对离子猝发的最终最小纵向相空间的影响。

更新日期:2021-05-07
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