Author: Wang, F.
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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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FRB03 Proton Radiography Experiment Based on a 100 MeV Proton Cyclotron 401
 
  • J.J. Yang, H.R. Cai, L.C. Cao, T. Ge, Z.G. Li, Y.L. Lv, F. Wang, S.M. Wei, L.P. Wen, S.P. Zhang, T.J. Zhang, Y.W. Zhang, X. Zhen
    CIAE, Beijing, People's Republic of China
 
  A proof-of-principle test-stand for proton radiography is under construction at China Institute of Atomic Energy (CIAE). This test-stand will utilize the 100 MeV proton beam provided by the compact cyclotron CYCIAE-100, which has been built in the year of 2014, to radiograph thin static objects. The assembling of the test-stand components is finished by now. We will carry out the first proton radiography experiment in this July and hopefully we can get the first image before the opening of this conference. In this paper, the designing, constructing and commissioning of the proton radiography system will be described and the experiment result will be presented and discussed.  
slides icon Slides FRB03 [2.764 MB]  
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