Table 1 Dose variations due to depth doses and profiles for 21EX radiation beams
From: Method for validating radiobiological samples using a linear accelerator
Depth of Max Dose (dmax) | Depth dose variation (dmax + 1.5 cm) | Profile variation (±4 cm from center axis ) | Total variation | |
|---|---|---|---|---|
6 MV | 1.4 cm | 4.9% | 2% | 6.9% |
18 MV | 2.7 cm | 3.3% | 3% | 6.6% |
6 MeV | 1.5 cm | 86.5% | 1% | 87.5% |
9 MeV | 2.2 cm | 49.3% | 2% | 51.3% |
12 MeV | 2.9 cm | 19.7% | 0.5% | 20.2% |
16 MeV | 2.0 cm | 2.5% | 1% | 3.5% |
20 MeV | 2.1 cm | 0.4% | 2% | 2.4% |