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Figure 2: Energy fluence of secondary protons produced by 150 MeV protons in water. The spectrum is extracted from a ptrac file of a MCNPX run for 2 × 105 protons

Figure 2: Energy fluence of secondary protons produced by 150 MeV protons in water. The spectrum is extracted from a ptrac file of a MCNPX run for 2 × 105 protons