Author: Peng, J.
Paper Title Page
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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MOPOY029 Transverse Emittance Measurements in CSNS Linac 916
 
  • Z.P. Li, Y. Li, J. Peng, S. Wang
    IHEP, Beijing, People's Republic of China
 
  Commissioning of the front-end of the linac at CSNS has been accomplished. Double scanning slit system and wire-scanners were employed to carry out the transverse emittance measurements in both low energy beam transport (LEBT) and medium energy beam transport (MEBT). Different results of different measurement methods are presented and compared. Corresponding codes were developed for each of the emittance measurement methods.  
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-MOPOY029  
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