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Electron cooling of a bunched ion beam in a storage ring

文献类型：期刊论文

作者Shen, Guodong2; Dong, Ziqiang1,2; Wang, Kedong1,2; Ruan, Shuang1,2; Wang, Geng1,2; Wu, Bo1,2; Ma, Xiaoming2; Tang, Meitang2; Li, Jie2; Yang, Xiaodong2
刊名PHYSICAL REVIEW ACCELERATORS AND BEAMS
出版日期2018-02-02
卷号21页码:11
ISSN号2469-9888
DOI10.1103/PhysRevAccelBeams.21.023501
英文摘要A combination of electron cooling and rf system is an effective method to compress the beam bunch length in storage rings. A simulation code based on multiparticle tracking was developed to calculate the bunched ion beam cooling process, in which the electron cooling, intrabeam scattering (IBS), ion beam space-charge field, transverse and synchrotron motion are considered. Meanwhile, bunched ion beam cooling experiments have been carried out in the main cooling storage ring (CSRm) of the Heavy Ion Research Facility in Lanzhou, to investigate the minimum bunch length obtained by the cooling method, and study the dependence of the minimum bunch length on beam and machine parameters. The experiments show comparable results to those from simulation. Based on these simulations and experiments, we established an analytical model to describe the limitation of the bunch length of the cooled ion beam. It is observed that the IBS effect is dominant for low intensity beams, and the space-charge effect is much more important for high intensity beams. Moreover, the particles will not be bunched for much higher intensity beam. The experimental results in CSRm show a good agreement with the analytical model in the IBS dominated regime. The simulation work offers us comparable results to those from the analytical model both in IBS dominated and space-charge dominated regimes.
WOS关键词HIRFL-CSR
资助项目National Natural Science Foundation of China[11575264] ; National Natural Science Foundation of China[11375245] ; National Natural Science Foundation of China[11475235] ; Chinese Academy of Sciences
WOS研究方向Physics
语种英语
WOS记录号WOS:000424059000002
出版者AMER PHYSICAL SOC
资助机构National Natural Science Foundation of China ; Chinese Academy of Sciences
源URL[http://119.78.100.186/handle/113462/46256]  
专题近代物理研究所_加速器总体室
近代物理研究所_兰州重离子研究装置
作者单位1.Univ Chinese Acad Sci, Beijing 100049, Peoples R China
2.Chinese Acad Sci, Inst Modern Phys, Lanzhou 730000, Gansu, Peoples R China
推荐引用方式
GB/T 7714		 Shen, Guodong,Dong, Ziqiang,Wang, Kedong,et al. Electron cooling of a bunched ion beam in a storage ring[J]. PHYSICAL REVIEW ACCELERATORS AND BEAMS,2018,21:11.
APA Shen, Guodong.,Dong, Ziqiang.,Wang, Kedong.,Ruan, Shuang.,Wang, Geng.,...&Zhao, He.(2018).Electron cooling of a bunched ion beam in a storage ring.PHYSICAL REVIEW ACCELERATORS AND BEAMS,21,11.
MLA Shen, Guodong,et al."Electron cooling of a bunched ion beam in a storage ring".PHYSICAL REVIEW ACCELERATORS AND BEAMS 21(2018):11.

入库方式： OAI收割

来源：近代物理研究所

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