Emittance measurements in low energy ion storage rings

被引：2
|
作者：
Hunt, J. R. [1 ,2 ]
Carli, C. [3 ]
Resta-Lopez, J. [1 ,2 ]
Welsch, C. P. [1 ,2 ]
机构：
[1] Cockcroft Inst, Warrington, Cheshire, England
[2] Univ Liverpool, Liverpool, Merseyside, England
[3] CERN, European Org Nucl Res, Geneva, Switzerland
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2018年 / 896卷
关键词：
Beam dynamics; Low energy storage rings; Antiprotons; Beam diagnostics; Beam scraping; BEAM DYNAMICS;
D O I：
10.1016/j.nima.2018.04.018
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The development of the next generation of ultra-low energy antiproton and ion facilities requires precise information about the beam emittance to guarantee optimum performance. In the Extra-Low ENergy Antiproton storage ring (ELENA) the transverse emittances will be measured by scraping. However, this diagnostic measurement faces several challenges: non-zero dispersion, non-Gaussian beam distributions due to effects of the electron cooler and various systematic errors such as closed orbit offsets and inaccurate rms momentum spread estimation. In addition, diffusion processes, such as intra-beam scattering might lead to emittance overestimates. Here, we present algorithms to efficiently address the emittance reconstruction in presence of the above effects, and present simulation results for the case of ELENA.
引用
收藏
页码：139 / 151
页数：13
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