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arXiv 1606.02797physics.acc-ph
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KHIMA加速器高能束流传输线轨道误差修正

Orbit Error Correction on the High Energy Beam Transport Line at the KHIMA Accelerator System

Chawon Park, Heejoong Yim, Garam Hahn, Dong Hyun An

摘要:

为了治疗各种癌症和医学研究,韩国重离子医疗加速器(KHIMA)项目下的同步加速器医疗机器已经进行,并将于2018年初治疗患者。KHIMA同步加速器旨在加速和提取各种能量范围的碳离子(质子)束,110至430 MeV/u(60至230 MeV)。利用WinAgile和MAD-X程序对KHIMA加速器系统的高能束流输运线进行了晶格设计和束流光学研究。由于磁场误差和不对中引入了与设计参数的偏差,因此应明确地处理这些误差源,并考虑机器晶格对不同单个误差源的敏感性。利用MAD-X程序,考虑了静态和动态的各种误差,并采用专用的校正算法进行了相应的校正。因此,已经针对整个HBT线中的专用晶格组件规定了不同误差贡献的容限。

英文摘要:

For the purpose of treatment of various cancer and medical research, the synchrotron based medical machine under the Korea Heavy Ion Medical Accelerator (KHIMA) project have been conducted and is going to treat the patient at the beginning of 2018. The KHIMA synchrotron is designed to accelerate and extract the carbon ion (proton) beam with various energy range, 110 up to 430 MeV/u (60 up to 230 MeV). A lattice design and beam optics studies for the High Energy Beam Transport (HEBT) line at the KHIMA accelerator system have been carried out with WinAgile and the MAD-X codes. Because the magnetic eld errors and the mis-alignments introduce to the deviations from the design parameters, these error sources should be treated explicitly and the sensitivity of the machine's lattice to di erent individual error sources is considered. Various types of errors which are static and dynamic one have been taken into account and have been consequentially corrected with a dedicated correction algorithm by using the MAD-X program. As a result, the tolerances for the diverse error contributions have been speci ed for the dedicated lattice components in the whole HEBT lines.

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