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Table 8 Percentage of PDD dose points passing the three Γ-criteria for varying histories at an initial beam energy of 10.7 MeV

From: Linac photon beam fine-tuning in PRIMO using the gamma-index analysis toolkit

Number of Histories (106)Average Dose Uncertainty (%)3 % /3mm (%)2 % /2mm (%)1 % /1mm (%)
512.499.086.142.9
109.1100.098.765.2
255.9100.097.760.3
65.063.7100.093.651.6