Robin-SLAC-invited-talk

Gantry func(onal specifica(ons Good field size Number of fields per session Penetration depth (range) Voxel dose accuracy Dose uniformity Voxels characterization Voxels out of range Field position accuracy SAD Maximum treatment time Required space aroundisocenter Achieved beam directions15 x 15 cm 2 or 10/15 x 20 cm 2 4 3 – 30 cm (corresponding energy: p = 60 - 220MeV;C ion = 120 – 430 MeV/u) ±1% ±2.5% 3 x 3 x 3 mm 3 1% ±0.5 mm 4 m 30 min 60 cm 4π