Table 9 Percentage of PDD dose points passing the three Γ-criteria for varying histories at an initial beam energy of 10.5 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 (%) |
|---|---|---|---|---|
5 | 12.8 | 99.4 | 73.6 | 29.0 |
10 | 9.4 | 99.4 | 75.2 | 30.0 |
25 | 6.1 | 100.0 | 100.0 | 77.1 |
65.06 | 3.8 | 100.0 | 99.7 | 84.2 |