Author: Fu, S.
Paper Title Page
MOZB01 Construction and Beam Commissioning of CSNS Accelerators 47
 
  • S. Wang, S. Fu, J. Zhang
    IHEP, Beijing, People's Republic of China
 
  CSNS (China Spallation Neutron Source) is a proton accelerator based facility for delivering spallation neu-trons to users. The main components are 80-MeV linac, 1.6-GeV RCS and neutron production target. The con-struction began in 2011, and now construction of the building and accelerator components is well in progress. Most of the components have been tested and installed into the tunnel. The ion source and RFQ have been suc-cessfully commissioned. The first DTL tank has success-fully completed the beam commissioning, and the beam commissioning for the other three DTL tank will be per-formed before the end of 2016. The RCS commissioning will start in the beginning of 2017. This presentation provides a complete overview of the status of construc-tion and beam commissioning.  
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DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-MOZB01  
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MOPOY028 Low Power RF Tuning of the CSNS DTL 913
 
  • H.C. Liu, Q. Chen, M.X. Fan, S. Fu, K.Y. Gong, A.H. Li, J. Peng, S. Wang, X. Wu, F.X. Zhao
    IHEP, Beijing, People's Republic of China
  • B. Li, P.H. Qu, Y. Wang
    CSNS, Guangdong Province, People's Republic of China
 
  The China Spallation Neutron Source (CSNS) is an accelerator-based neutron source being built at dongguan, Guangdong province in China. A conventional 324MHz Alvarez-type Drift tube linac (DTL) is utilized to accelerate an H ion beam from 3MeV to 80MeV. The RF field tuning of DTL is necessary for compensating the unexpected error caused by manufacturing and assembling. For reasons of RF power saving it is convenient to build a long DTL tank, but this choice involves risks of accelerating field instability. This problem can be fixed by using the resonant coupling stabilization method and equipping DTL cavities with a series of post-couplers. A practical tuning method was proposed, an acceptable field distribution with a good stability was achieved for CSNS DTL-1.  
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-MOPOY028  
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