Keyword: scattering
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MOD01 Design of the Energy Selection System for Proton Therapy Based on GEANT4 emittance, proton, simulation, cyclotron 30
 
  • Z.K. Liang, W. Chen, X. Liu, J. Zha
    Huazhong University of Science and Technology, State Key Laboratory of Advanced Electromagnetic Engineering and Technology,, Hubei, People's Republic of China
  • K.F. Liu, B. Qin
    HUST, Wuhan, People's Republic of China
  
  Huazhong University of Science and Technology (HUST) has planned to build a proton therapy facility based on an isochronous superconducting cyclotron. The 250 MeV/500 nA proton beam is extracted from a super-conducting cyclotron. To modulate beam energy, an en-ergy selection system is essential in the beam-line. The simulation based on Geant4 has been performed for the energy selection system and its result will be discussed in this paper. This paper introduces the variation rules of the beam parameters including the beam energy, beam emit-tance, energy spread and transmission. The degrader's gap and the twiss parameter are proven to be effective ways to reduce the emittance after degrader.  
slides icon Slides MOD01 [2.331 MB]  
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