Table 12 Percentage of lateral dose profile points passing the three Γ-criteria with the initial electron beam energy fixed at 10.5 MeV, the focal spot FWHM and beam divergence are at default values of 0.The number of histories is 2.5 × 107
From: Linac photon beam fine-tuning in PRIMO using the gamma-index analysis toolkit
Energy FWHM (MeV) | Average Dose Uncertainty (%) | 3 % /3mm (%) | 2 % /2mm (%) | 1 % /1mm (%) |
|---|---|---|---|---|
0.100 | 5.9 | 100.0 | 96.9 | 72.1 |
0.120 | 5.9 | 100.0 | 98.8 | 78.3 |
0.140 | 6.0 | 100.0 | 98.8 | 80.1 |
0.150 | 5.9 | 100.0 | 98.1 | 75.2 |