Error analysis and lattice improvement for the C-ADS Injector-Ⅰ |
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引用本文: | 孟才,李智慧,唐靖宇.Error analysis and lattice improvement for the C-ADS Injector-Ⅰ[J].中国物理 C,2014,38(6). |
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作者姓名: | 孟才 李智慧 唐靖宇 |
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作者单位: | 1. Institute of High Energy Physics, Chinese Academy of Sciences, Beijing 100049, China;;2. Sichuan University, Chengdu 610064, China |
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基金项目: | Supported by China ADS Project(XDA03020000);National Natural Science Foundation of China(11235012) |
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摘 要: | The injector Scheme-(or Injector-) of the C-ADS linac is a 10 mA 10 MeV proton linac working in CW mode. It is mainly comprised of a 3.2 MeV room-temperature 4-vane RFQ and twelve superconducting single-spoke cavities housed in a long cryostat. Error analysis including alignment and field errors, and static and dynamic ones for the injector are presented. Based on detailed numerical simulations, an orbit correction scheme has been designed, which shows that with correction the rms residual orbit errors can be controlled within 0.3 mm and a beam loss rate of 1.7×10-6is obtained. To reduce the beam loss rate further, an improved lattice design for the superconducting spoke cavity section has been studied.
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关 键 词: | CW proton linac superconducting spoke cavities error analysis orbit correction |
收稿时间: | 2013-7-31 |
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