UW Radiology

Cyclotron – General Info

General Info

  1. 11 MeV proton accelerator
    1.  H2 ionized and accelerated.
    2.  background vacuum ~5×10-8 torr with 4 diffusion pumps.
    3. magnet contained, beam focused [deep valley].
    4.  H -> H+ via thin/thick foils.
  2.  2 beamlines
    1. 4 target – ranges to 60 μAmps
      1. Metals, e.g. 64Cu from Ni, 89Zr from Y
      2. 11C from 14N2 at 55 μAmps
      3. Faraday cup for tuning
      4. 18F from H2 18O at 50 μAmps
    2. 8 target – ranges to 40 μAmps
      1. Faraday cup for tuning
      2. 13N from H2 16O at 30 μAmps