Keyword: DTL
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MOPA12 The Design and Use of Faraday Cage in Linac Temporary Line of CSNS experiment, radiation, linac, proton 48
 
  • M. Meng
    DNSC, Dongguan, People's Republic of China
  • F. Li, P. Li, A.X. Wang, T.G. Xu
    IHEP, Beijing, People's Republic of China
  • J.L. Sun
    CSNS, Guangdong Province, People's Republic of China
 
  In the end of linac temporary line in csns, we need a faraday cage to absorb the beam. in the beam experiment it will be mounted and used twice. according to the beam energy and current of csns, we choose water-cooled pipe structure with tilted panel after simulation. the main principle of the faraday cage design is to simplify the structure and reduce the radiation activation of it, to do this, we also do the simulation of radiation. to make sure the faraday cage is safe in beam experiment, we alos plug in a pt100 Platinum resistance to monitor the temperature. after faraday cage is built and mounted on the line, it works well and sustain the beam bombardment.  
poster icon Poster MOPA12 [0.471 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IBIC2018-MOPA12  
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TUPA04 Analysis of Interlocked Events based on Beam Instrumentation Data at J-PARC Linac and RCS linac, vacuum, operation, detector 219
 
  • N. Hayashi, S. Hatakeyama, A. Miura, M. Yoshimoto
    JAEA/J-PARC, Tokai-Mura, Naka-Gun, Ibaraki-Ken, Japan
  • K. Futatsukawa, T. Miyao
    KEK, Ibaraki, Japan
 
  J-PARC is a multi-purpose facility. Accelerator stability is the one of important issues for users of this facility. To realize stable operation, we must collect data on interlocked events and analyze these data to determine the reasons for the occurrence of such events. In J-PARC Linac, data of interlocked events have been recorded using several some beam loss monitors and current monitors, and these data have been are analyzed and classified. In J-PARC RCS, new instrumentation is being introduced to obtain beam position. We discuss the present status and future plans related to this subject.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IBIC2018-TUPA04  
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WEPA07 Beam Phase Measurement System in CSNS Linac linac, electron, electronics, MMI 386
 
  • P. Li
    IHEP CSNS, Dongguan, People's Republic of China
  • F. Li, T.G. Xu
    IHEP, Beijing, People's Republic of China
  • M. Meng
    DNSC, Dongguan, People's Republic of China
  • J. Peng
    CSNS, Guangdong Province, People's Republic of China
  • W. Peng
    CETC, Shushan, People's Republic of China
 
  We developed beam phase measurement system ourselves in CSNS (China Spallation Neutron Source). The resolution of the system is less than 0.1° and the accuracy is less than 1°. It played a key role in CSNS Linac commissioning especially in RFQ and DTL commissioning. Further we measured the beam energy by TOF (Time of Flight) method base on this system. The energy accuracy is less than 0.1 MeV.  
poster icon Poster WEPA07 [1.070 MB]  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IBIC2018-WEPA07  
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