Author: Yuan, Y.
Paper Title Page
TUOBA1 Beam Commissioning Results of the CSNS Linac 1223
 
  • J. Peng, Y.W. An, S. Fu, L. Huang, M.Y. Huang, Y. Li, Z.P. Li, S. Wang, S.Y. Xu, Y. Yuan
    IHEP, Beijing, People's Republic of China
  • M.T. Li, Y.D. Liu
    CSNS, Guangdong Province, People's Republic of China
  
  The China Spallation Neutron Source(CSNS) accelera-tor systems is designed to deliver a 1.6GeV, 100kW pro-ton beam to a solid metal target for neutron scattering research. It consists of a 50keV H− Ion Source, a 3MeV Radio Frequency Quadrupole (RFQ), an 80MeV Drift Tube Linac (DTL), and a 1.6GeV Rapid-cycling Synchro-tron (RCS). The beam commissioning has been started since April 2015. The Front End and three of the four DTL tanks have been commissioned, while the last tank and the RCS will be commissioned at the autumn this year. At the end of the DTL3, beam has been accelerated to 61MeV with nearly 100% transmission, other parame-ters such as peak current, transverse emittance and beam orbit have reached the design goal. Results and status of the beam commissioning program will be presented.
*This work is supported by National Natural Science Foundation of China (11505101).
**E-mail:pengjun@ihep.ac.cn
 		 
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DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-TUOBA1  
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TUPVA101 Study of Different Models on DTL for CSNS 2322
 
  • Y. Yuan, Z.P. Li, J. Peng
    IHEP, Beijing, People's Republic of China
  
  China Spallation Neutron Source (CSNS) is a high intensity accelerator based facility. Its accelerator consists of an H− injector and a proton Rapid Cycling Synchrotron (RCS). The injector includes the front end and linac. The RFQ accelerates the beam to 3MeV, and then the Drift Tube Linac (DTL) accelerates it to 80MeV. A Medium Energy Beam Transport (MEBT) matches RFQ and DTL, and the DTL consists of four tanks (DTL1, 2, 3, 4). A Linac to Ring Beam Transport (LRBT) matches DTL and RCS, also decreases beam energy spread. Commissioning of the first three DTL tank and LRBT straight section have been almost accomplished in this run. This paper takes a beam dynamics simulation on beam transport in MEBT and DTL at different DTL accelerate models. Meanwhile, beam's central orbit deviation at DTL and LRBT straight section due to DTL mechanical cavity's alignment errors is studied with IMPACT-Z code.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2017-TUPVA101  
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