Author: Lofvendahl, J.C.
Paper Title Page
TH1PB01 Operational Experience at the Intensity Limit in Compact Cyclotrons 432
  • G. Cojocaru, J.C. Lofvendahl
    TRIUMF, Canada's National Laboratory for Particle and Nuclear Physics, Vancouver, Canada
  Compact cyclotrons are a cost-efficient choice for medical radioisotope production since negative hydrogen ions can be used at energies well below 100MeV. The stripping extraction technique allows quite large circulating currents without the need for separated turns. Space charge limits are in the range of 1 to 2 mA, but operating for long periods at these levels is a challenge for many reasons, among them being the sputtering of metal surfaces where unaccepted beam is deposited. These limits and others observed during our 22 years of 24hours/365days of quasi continuous operation of TR30 cyclotrons will be explored.  
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