Design of proton beam collimation system for HIAF-BRing  

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作  者:Wen-Heng Zheng Jian-Cheng Yang Peng Li Da-Yu Yin Guo-Dong Shen Jie Li Li-Ping Yao Fu-Dong Shi Wei-Ping Chai Li-Jun Mao Wu-yuan Li Geng Wang Bo Yang Cheng Luo Wen-Wen Ge Zhong-Shan Li 

机构地区:[1]Institute of Modern Physics,Chinese Academy of Sciences,Lanzhou 730000,China [2]University of Chinese Academy of Science,Beijing 100049,China

出  处:《Radiation Detection Technology and Methods》2022年第4期519-529,共11页辐射探测技术与方法(英文)

基  金:supported by the National Natural Science Foundation of China(NSFC)(Grant No.11675235,11975286);the National Key R&D Program of China(Grant No.2019YFA0405401).

摘  要:Background The Booster Ring is further designed to store and accelerate protons up to 2×1012 particles per pulse in the High-Intensity heavy-ion Accelerator Facility project,which was originally designed to accelerate high-intensity heavy ion beams.Purpose and Methods To minimize the uncontrolled proton beam halo loss around the ring in operation,a two-stage collimation system is proposed to provide a well-shielded dump for localizing the proton beam halo loss.Results and conclusion In this paper,the simulation is carried out to evaluate the collimation system which shows a 92.93%collimation efficiency.Finally,several factors that affect the collimation efficiency are taken into consideration,including the physical aperture,the offset and rotation errors of the collimators,the closed orbit distortion,as well as the Betatron tunes.

关 键 词:Proton beam Two-stage collimation system ORBIT Collimation efficiency 

分 类 号:O57[理学—粒子物理与原子核物理]

 

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