Author: Shi, J.
Paper Title Page
Development of Normal-conducting High-gradient Accelerating Structures  
  • J. Shi
    TUB, Beijing, People’s Republic of China
  X-band high-gradient accelerating structures operating at the gradient of 80-100MV/m are proposed for different applications including compact linear collider and compact X-ray facilities. A traveling-wave structure as well as single-cell test structures with choke-mode damping feature were developed in Tsinghua University and high-power tested. A prototype structure with CLIC-based design, namely T24-THU#1, has reached 110 MV/m and several choke-mode single-cell structures reached 130MV/m during test. The high-gradient technique will be applied to Tsinghua Thomson-scattering X-ray source with two new developed 0.6m-long structures for 80MV/m acceleration.  
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THPO111 The Test of RF Breakdowns of CPHS RFQ 931
  • W.B. Ye, C. Cheng, X. Guan, J. Shi, X.W. Wang, Q.Z. Xing, S.X. Zheng
    TUB, Beijing, People’s Republic of China
  • M.C. Wang
    NINT, Shannxi, People’s Republic of China
  The high accelerating gradient is significant for a compact linear accelerator, and RF breakdowns is a limitation for the high gradient. This work aims to research RF breakdowns of a 325MHz proton Radio Frequency Quadrupole (RFQ) accelerator of the Compact Pulsed Hadron Source(CPHS). The breakdown rate (BDR) of the RFQ has been measured. Breakdown waveforms have been recorded, which have been used for counting breakdown time distribution and analyzing the location of RF breakdowns.  
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About • paper received ※ 12 September 2018      issue date ※ 18 January 2019  
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