Author: Zhu, K.
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MOPMW012 Study for a 162.5 MHz Window-Type RFQ 423
 
  • Q. Fu, P.P. Gan, S.L. Gao, F.J. Jia, H.P. Li, J. Liu, Y.R. Lu, Z. Wang, K. Zhu
    PKU, Beijing, People's Republic of China
 
  A window type of four vane radio-frequency quadrupole accelerator has been designed to accelerate 50 mA deuteron beam from 50 keV to 1 MeV. It will operate at 162.5 MHz in CW mode. Compared to the traditional four-vane RFQ, the window-type RFQ is more compact and has higher mode separation without π-mode stabilizing loops or dipole rods. A detailed full 3D model including vane modulation was developed. For the purpose of high shunt impedance, high quality factor and low power dissipation, the RF structure design was optimized by using electromagnetic simulations. Following the EM design optimization, an aluminium model of the window-type RFQ was fabricated and tested.  
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-MOPMW012  
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TUPMY019 CLAPA Proton Beam Line in Peking University 1592
SUPSS028   use link to see paper's listing under its alternate paper code  
 
  • J.G. Zhu, J.E. Chen, C. Lin, H.Y. Lu, W.J. Ma, L. Tao, X.Q. Yan, K. Zhu
    PKU, Beijing, People's Republic of China
 
  Comparing with the conventional accelerator, the laser plasma accelerator can accelerate ions more effectively and greatly reduce the scale and cost. A laser accelerator− Compact Laser Plasma Accelerator (CLAPA) is being built at Institute of Heavy Ion physics of Peking University. According to the beam parameters from proof of principle experiments and theoretical simulations, we design the beam line for ions transport which is being built now and in the near future we will carry out experimental study with it. The beam line is mainly constituted by quadrupole and analyzing magnets . The quadrupole triplet lens collects protons generated from the target, while the analyzing magnet system will choose the protons with proper energy. The transport is simulated by program TRACK. The beam line is designed to deliver proton beam with the energy of 1~ 40MeV, energy spread of ±1% and 106-8 protons per pulse to satisfy the requirement of different experiments. The transmission efficiency is about 94% when the energy spread is ±1%.  
DOI • reference for this paper ※ DOI:10.18429/JACoW-IPAC2016-TUPMY019  
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