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Keil, E.

Paper Title Page
THPMS092 Superconducting Non-Scaling FFAG Gantry for Carbon/Proton Cancer Therapy 3199
  • D. Trbojevic, R. C. Gupta, B. Parker
    BNL, Upton, Long Island, New York
  • E. Keil
    CERN, Geneva
  • A. Sessler
    LBNL, Berkeley, California
  Funding: * Supported by the U. S. Department of Energy under Contract No. DE-AC02-98CH10886. ** Work supported by the U. S. Department of Energy under Contract No. DE-AC02-05CH11231

We report on improvements in the non-scaling Fixed Field Alternating Gradient (FFAG) gantry design. As we previously reported*, a major challenge of the carbon/proton cancer therapy facilities is isocentric gantry design. The weight of the isocentric gantry transport elements in the latest Heidelberg carbon/proton facility is 135 tons**. In this report we detail improvements to the previous non-scaling gantry design. We estimate that this non-scaling FFAG gantry would be almost hundred times lighter than traditional heavy ion gantries. Very strong focusing with small dispersion permits passage of different energies of carbon beams through the gantry's fixed magnetic field.*