| Photon component | 6 MV | 18 MV |
| Patient scatter | 1.68 × 10−8 | 1.17 × 10−8 |
| Leakage scatter | 1.21 × 10−8 | 1.21 × 10−8 |
| Leakage transmission | 2.23 × 10−10 | 8.31 × 10−10 |
| Maze scatter | 3.99 × 10−10 | 1.95 × 10−10 |
| Wall scatter | 2.27 × 10−8 | 1.25 × 10−7 |
| Gamma capture | --- | 6.49 × 10−7 |
| Total (Excluding gamma capture) | 5.23 × 10−8 | 1.49 × 10−7 |