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 (%) |
|---|---|---|---|---|
5 | 12.4 | 99.0 | 86.1 | 42.9 |
10 | 9.1 | 100.0 | 98.7 | 65.2 |
25 | 5.9 | 100.0 | 97.7 | 60.3 |
65.06 | 3.7 | 100.0 | 93.6 | 51.6 |