Author: Pan, W.M.
Paper Title Page
TH2A02
 Spoke Cavity Development and Beam Commissioning of 10 MeV Spoke-based Proton Linac  
 
  • H.F.S. Feisi, W.M. Pan
    IHEP, Beijing, People’s Republic of China
  
  10 MeV superconducting proton linac based on Spoke cavity was developed and CW 2 mA beam commisioning was successfully conducted at IHEP. This invited talk should present key technology deveopment of Spoke cavities with different beta values, beam commissioning results, technical challenge and lessons to learn as well.  
slides icon Slides TH2A02 [5.792 MB]  
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FR2A01
 Development and Beam Commissioning of 10’25 MeV Superconducting CW Proton Linac for China ADS Project  
 
  • H.W. Zhao
    IMP/CAS, Lanzhou, People’s Republic of China
  • W.M. Pan
    IHEP, Beijing, People’s Republic of China
  
  A 25 MeV CW superconducting proton linac has been developed by collaboration between IMP and IHEP to demonstrate key technologies of ADS linac. The 25 MeV superconducting proton linac is composed of ECR proton source, LEBT, a 2.1 MeV/162.5 MHz four-vane RFQ, MEBT and a superconducting linac section which consists of three cryomodules built by IMP based on HWR cavity at 162.5 MHz frequency and one cryomodule built by IHEP based on SPOKE cavity at 325 MHz. Stable proton beam acceleration with CW 2 mA/10 MeV has been demonstrated successfully at IMP by 12 HWR cavities with two cryomodules operating at 4.5 k. Beam commissioning with pulsed 10 mA/25 MeV and CW 0.2 mA/25 MeV has been conducted. A lot of efforts have been made to achieve a long-term stable CW beam operation during the beam commissioning. Hours continuous operation without beam trip at CW 0.2 mA/18 MeV was achieved. Recently the low level RF control system and other sub-systems are under refurbishment and the next goal of beam commissioning is CW 1 mA/25 MeV. This talk will present development and the latest beam commissioning results of the 10’25 MeV superconducting proton linac and the lessons learned.  
slides icon Slides FR2A01 [14.744 MB]  
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