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Error analysis and lattice improvement for the C-ADS Injector-Ⅰ

Error analysis and lattice improvement for the C-ADS Injector-Ⅰ
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摘要 The injector Scheme- 1 (or Injector- I ) of the C-ADS linac is a 10 mA 10 MeV proton linac working in C/V 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 illjector 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× 10-6 is obtained. To reduce the beam loss rate further, an improved lattice design for the superconducting spoke cavity section has been studied. The injector Scheme- 1 (or Injector- I ) of the C-ADS linac is a 10 mA 10 MeV proton linac working in C/V 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 illjector 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× 10-6 is obtained. To reduce the beam loss rate further, an improved lattice design for the superconducting spoke cavity section has been studied.
出处 《Chinese Physics C》 SCIE CAS CSCD 2014年第6期112-116,共5页 中国物理C(英文版)
基金 Supported by China ADS Project(XDA03020000) National Natural Science Foundation of China(11235012)
关键词 CW proton linac superconducting spoke cavities error analysis orbit correction CW proton linac, superconducting spoke cavities, error analysis, orbit correction
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参考文献7

  • 1TANG J Y, LI Z H et al. Conceptual Physics Design on the C-ADS Accelerators. IHEP-CADS-Report/2011-1E.
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