Numerical optimization and multi-particle dynamics simulation of the radial matching section of the RFQ

The ABC code is an optimization program for the development of matching channels and dynamical matchers in radio frequency quadrupole （RFQ） structures, and a new approach to this code to define the geometry of the radial matching section of the RFQ has been developed. This approach is based on the a...

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Published inChinese physics C Vol. 35; no. 10; pp. 964 - 968
Main Author 肖陈 何源 原有进 王志军 刘勇 贺守波 徐孟鑫 常玮 李超 岳伟明 赵红卫 夏佳文
Format Journal Article
LanguageEnglish
Published IOP Publishing 01.10.2011
Subjects
Beams (radiation)
Channels
C代码
Dynamics
Matching
Mathematical models
Optimization
Redesign
RFQ
Simulation
优化方案
动力匹配
动力学模拟
多粒子
径向
数值优化
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ISSN1674-1137
0254-3052
2058-6132
DOI10.1088/1674-1137/35/10/015

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Summary:The ABC code is an optimization program for the development of matching channels and dynamical matchers in radio frequency quadrupole （RFQ） structures, and a new approach to this code to define the geometry of the radial matching section of the RFQ has been developed. This approach is based on the application of the numerical optimization step by step. This optimization is intended to search for the initial matching condition of a beam, the optimization of parameters of a cell of the channel on given characteristic parameters and traces of a beam in linear channels in both forward and backward directions. To further verify the results of the optimization, multi-particle beam dynamics simulations have been carried out using the BEAMPATH and TRACK codes. The result of the beam dynamics simulation shows that the optimization result of the ABC code is reasonable and this approach provides an opportunity to redesign the structure of the radial matching section of the RFQ.
Bibliography:The ABC code is an optimization program for the development of matching channels and dynamical matchers in radio frequency quadrupole （RFQ） structures, and a new approach to this code to define the geometry of the radial matching section of the RFQ has been developed. This approach is based on the application of the numerical optimization step by step. This optimization is intended to search for the initial matching condition of a beam, the optimization of parameters of a cell of the channel on given characteristic parameters and traces of a beam in linear channels in both forward and backward directions. To further verify the results of the optimization, multi-particle beam dynamics simulations have been carried out using the BEAMPATH and TRACK codes. The result of the beam dynamics simulation shows that the optimization result of the ABC code is reasonable and this approach provides an opportunity to redesign the structure of the radial matching section of the RFQ.
11-5641/O4
XIAO Chen HE Yuan YUAN You-Jin WANG Zhi-Jun LIU Yong HE Shou-Bo XU Meng-Xin CHANG Wei LI Chao YUE Wei-Ming ZHAO Hong-Wei XIA Jia-Wen （ 1 Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou 730000, China 2 Graduate University of Chinese Academy of Sciences, Beijing 100049, China 3 School of Nuclear Science and Technology, Lanzhou University, Lanzhou 730000, China）
radial matching section, optimization, ABC code, BEAMPATH code, TRACK code
ObjectType-Article-2
SourceType-Scholarly Journals-1
ObjectType-Feature-1
content type line 23
ISSN:1674-1137
0254-3052
2058-6132
DOI:10.1088/1674-1137/35/10/015