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Normalized dose distribution f(Dose) at D0,F=0.2 Gy in cylinders (VCyl1, VCyl2, VCyl3, VCyl4) (column 1 to 4) for (1H, 3He, 12C) particles (row 1 to 3) sampled over generated libraries. A large percentage of volumes get no-hits by primary beam or scattered electrons. Higher dose values in the dose distribution come from either primary beam hits like in 12C in (c) or combinations of primary particles and δ-rays crossing the volumes for 1H in (a).
