Author: An, Shizhong.
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MOP05 An Air Ionization Chamber Simulation using Monte Carlo Method 57
 
  • S.G. Hou, Shizhong. An, Z.W. Liu, G.F. Song, F. Wang, L.P. Wen, T.J. Zhang
    CIAE, Beijing, People's Republic of China
 
  The CYCIAE-100 cyclotron has been built at CIAE, designed to achieve 200 μA protons at 100 MeV and deliver them to several experimental targets. To achieve this goal and protect the machine from excessive radiation activation, an uncontrolled loss criteria of 1uA has been specified. Previous calculation for radiation shielding showed that high neutron and gamma were produced under this condition. To measure the high energy gamma ray(about 2 MeV ) at machine running and void damage by the prompt radiation, an air ionization chamber was designed to fulfill this goal. A Geant4 program was developed to simulate the energy response of detectors, the EM filed data was also taken into consideration in the programl. The simulation results indicate that the energy response linearity satisfies the requirement of the project specification.  
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TUP14 The Assembly and Adjustment of the Second Stripping Probe System for CYCIAE-100 199
 
  • Shizhong. An, L.C. Cao, X.L. Fu, Z.G. Li, G.S. Liu, Y.L. Lv, G.F. Pan, Y. Wang, L.P. Wen, J.S. Xing, T.J. Zhang, Y.W. Zhang
    CIAE, Beijing, People's Republic of China
 
  A 100 MeV H compact cyclotron is under construction at China Institute of Atomic Energy (CYCIAE-100). The proton beams ranging from 75 MeV - 100 MeV with 200 μA beam intensity will be extracted in dual opposite direction by charge exchange stripping devices. The stripping probe system is the key part of extraction system for CYCIAE-100. The first stripping extraction system was installed in 2014 and it has satisfied all kinds of requirements for the proton beam extraction. The first 100 MeV proton beam was got on July 4, 2014 and the beam current was stably maintained at above 25 μA for about 9 hours on July 25, 2014. The first RIB with ISOL system driven by 100 MeV proton beam was generated in 2015. The second stripping system was installed in 2015 after the assembly and adjustment. The beam commissioning based on the second stripping system will be finished and the extracted proton beam parameters will be measured in detail in this year.  
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