Author: An, Y.W.
Paper Title Page
MOPRB028 Application of WCM in Beam Commissioning of RCS in CSNS 636
 
  • M.T. Li, F. Li
    IHEP CSNS, Guangdong Province, People’s Republic of China
  • Y.W. An, S.Y. Xu, T.G. Xu
    IHEP, Beijing, People’s Republic of China
  
  Wall Current Monitor (WCM) is the only beam instru-ment in RCS of CSNS. It is utilized to derive many kinds of physics parameters during beam commissioning. The longitudinal phase distribution of the bunch over the boosting time is deduced for our future analyzation.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2019-MOPRB028  
About • paper received ※ 15 May 2019       paper accepted ※ 20 May 2019       issue date ※ 21 June 2019  
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MOPRB029 Longitudinal Tomography for Analysing the Longitudinal Phase Space Distribution in RCS of CSNS 639
 
  • M.T. Li
    IHEP CSNS, Guangdong Province, People’s Republic of China
  • Y.W. An, S.Y. Xu, T.G. Xu
    IHEP, Beijing, People’s Republic of China
  
  It is proved that in the beam commissioning of the RCS of CSNS, the longitudinal optimization is vital for the promotion of the beam power. The WCM is the only beam instrument for the measurement of the longitudinal parameters. It is important for us to deduce the longitudi-nal phase space distribution, using the WCM data. The longitudinal tomography is applied, and some satisfying results have been obtained.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2019-MOPRB029  
About • paper received ※ 15 May 2019       paper accepted ※ 20 May 2019       issue date ※ 21 June 2019  
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TUPTS038 The Operation Status of CSNS Front End 2024
 
  • Y.W. An, Y.J. Lv, H.F. Ouyang, Y.C. Xiao
    IHEP, Beijing, People’s Republic of China
  • X. Cao, W. Chen, T. Huang, H. Li, S. Liu, K. Xue
    IHEP CSNS, Guangdong Province, People’s Republic of China
  
  Funding: Work supported by National Natural Science Foundation of China(11875271)
China spallation neutron source (CSNS), as the China’s first 100kW beam power pulsed neutron source, its operation target beam power is now larger than 50kW. During the beam power upgrading process of CSNS to 50kW from 2018 to 2019, many improvements have been made for the front end of CSNS. In this paper, the commissioning and improvement of front end as well as the laboratory construction are introduced. The improvements mainly focus on solving the stability of ion source and the spark of Radio Frequncy quadrupole (RFQ) caused by the pre-chopped beam into RFQ. 		 
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2019-TUPTS038  
About • paper received ※ 08 May 2019       paper accepted ※ 21 May 2019       issue date ※ 21 June 2019  
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WEPTS029 The Synchronization between BPMs and Corrector Power Supplies in AC Mode of RCS of CSNS 3164
 
  • M.T. Li
    IHEP CSNS, Guangdong Province, People’s Republic of China
  • Y.W. An, S. Wang, S.Y. Xu
    IHEP, Beijing, People’s Republic of China
  • S.Y. Xu
    DNSC, Dongguan, People’s Republic of China
  
  This paper introduces our effort for synchronizing BPMs and Corrector Power Supplies in AC mode of RCS of CSNS. This work helps to increase the accuracy of the response matrix measurement, the obit correction, and other commissioning task.  
DOI • reference for this paper ※ https://doi.org/10.18429/JACoW-IPAC2019-WEPTS029  
About • paper received ※ 15 May 2019       paper accepted ※ 22 May 2019       issue date ※ 21 June 2019  
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