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Table 14 Percentage of lateral dose profile points passing the three Γ-criteria with the initial electron beam energy fixed at 10.5 MeV, the energy FWHM at 0.120 MeV and beam divergence at default value of 0.The number of histories is 2.5 × 10
7
From:
Linac photon beam fine-tuning in PRIMO using the gamma-index analysis toolkit
Focal Spot FWHM (cm)
Average Dose Uncertainty (%)
3 % /3mm (%)
2 % /2mm (%)
1 % /1mm (%)
0.10
5.9
100.0
97.5
71.4
0.12
5.9
100.0
100.0
73.9
0.13
5.9
99.4
91.3
66.5
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