| Method | Overlap factor | |
| 4 MeV | 6 MeV | |
| Cylindrical phantom (TLD) | (2.5 ± 0.3) | (2.4 ± 0.1) |
| Cylindrical phantom (Film) | (2.3 ± 0.03) | (2.4 ± 0.03) |
| Rando Phantom (TLD) | (2.88 ± 0.2) | (2.68 ± 0.2) |