Author: Huang, M.Y.
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MOPTY006 Study on the Injection Beam Commissioning Software for CSNS/RCS 950
 
  • M.Y. Huang, L. Huang, W.B. Liu, J. Qiu, S. Wang
    IHEP, Beijing, People's Republic of China
 
  Funding: Funding Agency: Work supported by National Natural Science Foundation of China (11205185, 11175020, 11175193 )
The China Spallation Neutron Source (CSNS) accelerator uses H stripping and phase space painting method of filling large ring acceptance with the linac beam of small emittance. The beam commissioning software system is the key part of CSNS accelerator. The injection beam commissioning software for CSNS contains three parts currently: painting curve control, injection beam control and injection orbit correction. The injection beam control contains two subsections: single bunch beam calculation and LRBT beam control at the foil. The injection orbit correction also contains two subsections: injection orbit correction by the calculation and injection trim power control.
 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2015-MOPTY006  
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TUPTY015 Study on the transverse painting during the injection process for CSNS/RCS 2025
 
  • M.Y. Huang, L. Huang, N. Huang, J. Qiu, S. Wang, S.Y. Xu
    IHEP, Beijing, People's Republic of China
 
  Funding: Work supported by National Natural Science Foundation of China (11205185, 11175020, 11175193 )
For the China Spallation Neutron Source (CSNS), a combination of the H stripping and phase space painting method is used to accumulate a high intensity beam in the Rapid Cycling Synchrotron (RCS). In this paper, firstly, the injection processes with different painting ranges and different painting methods were studied. With the codes ORBIT and MATLAB, the particle distribution and painting image were obtained. Then, the reasonable painting range which is suitable for the aperture size and magnet gap can be selected. Since the real field uniformity of BH3 and BV3 is not completely in conformity with the design requirement, the painting method and painting range also need to be selected to reduce the effects of bad field uniformity.
 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2015-TUPTY015  
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