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Design of proton beam collimation system for HIAF-BRing

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Abstract

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.

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Acknowledgements

This work is supported by the National Natural Science Foundation of China (NSFC) (Grant No.11675235, 11975286) and the National Key R&D Program of China (Grant No.2019YFA0405401). The critical discussions with Dr H.F. Ji from CSNS are also greatly appreciated.

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Authors and Affiliations

  1. Institute of Modern Physics, Chinese Academy of Sciences, Lanzhou, 730000, China

    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

  2. University of Chinese Academy of Science, Beijing, 100049, China

    Wen-Heng Zheng & Bo Yang

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  1. Wen-Heng Zheng
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Correspondence to Da-Yu Yin.

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Zheng, WH., Yang, JC., Li, P. et al. Design of proton beam collimation system for HIAF-BRing. Radiat Detect Technol Methods 6, 519–529 (2022). https://doi.org/10.1007/s41605-022-00351-3

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