spatial-resolved proton energy spectrometer based on a scintillation-fiber cube
dvanced particle acceleration methods have produced high-peak-current ion beams with broad energy spread and complex spatial distribution. There is an urgent need to develop online spatial-resolved energy spectrometers for high-energy pulsed ions. This paper introduces a novel spectrometer based on a scintillation-fiber-cube for the purpose of online diagnosing proton beams with broadband energy spread and complex spatial distribution. We present its working principles, experimental setup, and comprehensive calibration using monoenergetic and spatially uniform proton beams generated by a synchrotron accelerator. \textcolor{red}{Calibration results confirm an energy measurement range of 693 MeV with relative energy uncertainty of 0.6\% at 80 MeV, and a pixel size of 0.5 mm for beam profile reconstruction.} By exploiting a custom-designed energy degrader, we generated a complex proton beam and measured it with the scintillation-fiber cube spectrometer (SFICS). The results demonstrated the spectrometer's potential for online measurement of the energy spectrum and spatial distribution of complex proton beams.
Song, Dr. Tan、Gao, Dr. Ying、Wang, Dr. Di、Zhang, Dr. Yujia、Zhao, Dr. Jiarui、Wu, Dr. Qingfan、Hua, Dr. Chenghao、Pan, Dr. Zhuo、Xu, Dr. Shirui、Peng, Dr. Ziyang、Liang, Dr. Yulan、Xu, Dr. Tianqi、Zhang, Dr. Zihao、hen, Dr. Haoran、Han, Dr. Qihang、Liu, Dr. Xuan、Wu, Dr. Zhangyi、Zhang, Dr. Zhongshuai、Yang, Dr. Ye、Wang, Dr. Maocheng、Yan, Miss Yihua、Wang, Dr. Zhongming、Ma, Dr. Wenjun
Peking UniversityPeking UniversityPeking UniversityPeking UniversityPeking UniversityPeking UniversityPeking UniversityPeking UniversityPeking UniversityPeking UniversityPeking UniversityPeking UniversityPeking UniversityPeking UniversityPeking UniversityPeking UniversityPeking UniversityPeking University;Guangdong Emerging Laser Plasma Technology Research Institute
粒子探测技术、辐射探测技术、核仪器仪表
Laser-driven proton accelerationProton spectrometerScintillation fiberOnline detector
Song, Dr. Tan,Gao, Dr. Ying,Wang, Dr. Di,Zhang, Dr. Yujia,Zhao, Dr. Jiarui,Wu, Dr. Qingfan,Hua, Dr. Chenghao,Pan, Dr. Zhuo,Xu, Dr. Shirui,Peng, Dr. Ziyang,Liang, Dr. Yulan,Xu, Dr. Tianqi,Zhang, Dr. Zihao,hen, Dr. Haoran,Han, Dr. Qihang,Liu, Dr. Xuan,Wu, Dr. Zhangyi,Zhang, Dr. Zhongshuai,Yang, Dr. Ye,Wang, Dr. Maocheng,Yan, Miss Yihua,Wang, Dr. Zhongming,Ma, Dr. Wenjun.spatial-resolved proton energy spectrometer based on a scintillation-fiber cube[EB/OL].(2025-08-28)[2025-09-04].https://chinaxiv.org/abs/202508.00400.点此复制
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