Author: Xu, S.W.
Paper Title Page
MOP002 Recent Progress on Ion Source of SC200 Cyclotron 24
  • Y. Zhao, G. Chen
    ASIPP, Hefei, People’s Republic of China
  • L. Calabretta
    INFN/LNS, Catania, Italy
  • O. Karamyshev
    JINR/DLNP, Dubna, Moscow region, Russia
  • G.A. Karamysheva, G. Shirkov
    JINR, Dubna, Moscow Region, Russia
  • S.W. Xu
    USTC, Hefei, Anhui, People’s Republic of China
  Funding: National Natural Science Foundation of China under grant No. 11775258 & 11575237 and International Scientific and Technological Cooperation Project of Anhui (grant No. 1704e1002207).
A 200MeV compact superconducting cyclotron, named SC200, for proton therapy is under development by collaboration of ASIPP (Hefei, China) and JINR (Dubna, Russia). The ion source is a significant subsystem of the cyclotron. A hot cathode internal ion source has been designed and tested for SC200 cyclotron. The ion source has been successfully arc discharged on the test bench. The extracted beam current has been measured over 100 uA and filament lifetime of ion source exceeded 100 h, which indicated that the ion source meets the design requirements. The stability of the filament under strong magnetic field has also been tested and the differences between the two kinds of filament are compared.
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About • paper received ※ 09 September 2019       paper accepted ※ 24 September 2019       issue date ※ 20 June 2020  
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