Table 2.
Details of frame pattern measurements for various combinations of the beam energy, range‐shifter thickness, and irradiation pattern.
| No. |
Energy [MeV] |
Range shifter [mm] |
No. |
Energy [MeV] |
Range shifter [mm] |
|---|---|---|---|---|---|
| 1 | 430 | 0 | 13 | 302.1 | 3 |
| 2 | 430 | 3 | 14 | 302.1 | 12 |
| 3 | 430 | 12 | 15 | 302.1 | 24 |
| 4 | 430 | 24 | 16 | 272.8 | 0 |
| 5 | 406.2 | 0 | 17 | 241.9 | 0 |
| 6 | 381.6 | 0 | 18 | 208.3 | 0 |
| 7 | 381.6 | 3 | 19 | 170.9 | 0 |
| 8 | 381.6 | 12 | 20 | 170.9 | 3 |
| 9 | 381.6 | 24 | 21 | 170.9 | 12 |
| 10 | 356.1 | 0 | 22 | 170.9 | 18 |
| 11 | 329.6 | 0 | 23 | 140 | 1.4 |
| 12 | 302.1 | 0 |