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Nuclear Instruments and Methods in Physics Research Research: Accelerators, Spectrometers, Detectors and Associated Equipment 589 (2008) 133-142
Spiral FFAG lattice design tools. Application to 6-D tracking in a proton-therapy class lattice
J. Fourrier1, F. Martinache1, F. Méot1, 2, J. Pasternak1

Methods have been developed, based on ray-tracing, for 3-D modelling of magnetic fields and particle motion in spiral scaling FFAG accelerators. They allow efficient simulation of particle motion in the presence of the strong field non-linearities found in FFAG magnets, and of overlapping fields in configurations of neighbouring magnets. This provides a useful tool for spiral FFAG lattice design and optimization, and for 6-D tracking studies. As illustration, the approach is applied to the design of a 180MeV medical class proton FFAG now being studied under the RACCAM hadron-therapy project.
1 :  LPSC - Laboratoire de Physique Subatomique et de Cosmologie
2 :  IRFU - Institut de Recherches sur les lois Fondamentales de l'Univers (ex DAPNIA)
Physique/Physique/Physique des accélérateurs