Author: Ye, Q.
Paper Title Page
MOPB026 Phase and Energy Measurement System for C-ADS Injector I 95
 
  • J.H. Yue, Q.Y. Deng, J. Hu, S.J. Wei, Q. Ye
    IHEP, Beijing, People's Republic of China
 
  For proton linac, phase and energy measurement is very important. Beam phase always can be measured by quadrature sampling, energy can be measured by the method of time of flight (TOF), in this way we need to know the beam phase of two points whose distance is given. C-ADS injector I is a 10MeV proton linac with 10mA continuous current. It consists of an ECR (Electron Cyclotron Resonance) ion source, a LEBT (Low Energy Beam Transport), a 3MeV RFQ (Radio-frequency Quadruple) and a superconductivity linac accelerator with 3~10MeV. In the initial phase, the beam energy is about 3MeV. In this paper, phase and beam energy system of C-ADS Injector I have been introduced and some preliminary results have been shown.  
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TUPB028 Status of BPMs In the First Stage of Commissioning at CADS Injector I 390
 
  • H.Z. Ma, J.S. Cao, Y.F. Sui, Q. Ye
    IHEP, Beijing, People's Republic of China
 
  The paper will introduce the status for BPMs in the first stage of commissioning at CADS (China Accelerator Driven Subcritical System) Injector I. The measurement principles and results of BPM at injector I are presented. The measurement of BPM is rigorous in the first medium energy beam transport line of CADS Injector I. To ensure the safety of test cryomodule, beam orbit should be corrected to the minimized region. The third order fitting way is used to calculate the position of beam for BPM non-linearity. And the average of data in the single pass window should improve the resolution. Then BBA of BPM can help tracking beam position accurately. Finally the interlock circuit of BPM is tested with the beam.
[1]Jingyu Tang etc, IHEP-CADS Report/2012-01E
[2]Libera SPH page - http://www.i-tech.si/
[3]Weimin Pan, Internal Report in IHEP.
[4]Libera Single Pass H User Manual 2.80
 
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