Simulation study of HIRFL-SFC using flattop acceleration system

Shi Leitai; Yuan Youjin; Zhang Ying; Li Xiaoni; Wang Bing; Hao Huanfeng

doi:10.11884/HPLPB201426.085101

Volume 26 Issue 08

Jul. 2014

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Article Navigation > High Power Laser and Particle Beams > 2014 > 26(08): 085101

Li Yong, Xie Haiyan, Yang Zhiqiang, et al. Parameter extraction of transient voltage suppressor diode[J]. High Power Laser and Particle Beams, 2016, 28: 033202. doi: 10.11884/HPLPB201628.033202

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Shi Leitai, Yuan Youjin, Zhang Ying, et al. Simulation study of HIRFL-SFC using flattop acceleration system[J]. High Power Laser and Particle Beams, 2014, 26: 085101. doi: 10.11884/HPLPB201426.085101

Li Yong, Xie Haiyan, Yang Zhiqiang, et al. Parameter extraction of transient voltage suppressor diode[J]. High Power Laser and Particle Beams, 2016, 28: 033202. doi: 10.11884/HPLPB201628.033202

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Simulation study of HIRFL-SFC using flattop acceleration system

doi: 10.11884/HPLPB201426.085101

1.
Institute of Modern Physics,Chinese Academy of Sciences,Lanzhou 730000,China;
2.
University of Chinese Academy of Sciences,Beijing 100049,China

Received Date: 2014-01-13
Rev Recd Date: 2014-03-21
Publish Date: 2014-06-26

Abstract

Abstract

It is planned to upgrade the HIRFL-SFC system for improving the quality of extracting beam and making it matched with the separated sector cyclotron (SSC) of the downstream accelerator. The methods mainly include increasing the accelerating voltage of Dee, equipping phase slit or using flattop acceleration system. The flattop acceleration system is a key method to reduce the energy spread and enhance the transmission efficiency. This paper calculates the beam quality of sector-focused cyclotron (SFC) using the cyclotron beam simulation program AGORA and compares the results obtained with and without flattop acceleration system. The results show that the energy spread reduces sharply with flattop system. The beam width in the radial direction and the turn separation meet the requirements of single turn extraction at the entrance of extraction deflector.
- cyclotron,
- flattop acceleration system,
- longitudinal phase spaces,
- single turn extraction

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