Table 2.
The optimized weighting factors for utilized proton pencil beams in order to cover the desired volume with a uniform dose in two designed models.
| Energy (MeV) | Eye weighting factor | Water weighting factor |
|---|---|---|
| 22 | 0.1022 | 0.0961 |
| 22.5 | 0.1018 | 0.1027 |
| 23 | 0.1008 | 0.0988 |
| 23.5 | 0.1095 | 0.1016 |
| 24 | 0.1285 | 0.1165 |
| 24.5 | 0.1112 | 0.1219 |
| 25 | 0.119 | 0.1141 |
| 25.5 | 0.1308 | 0.1325 |
| 26 | 0.146 | 0.1358 |
| 26.5 | 0.1362 | 0.1383 |
| 27 | 0.1433 | 0.1405 |
| 27.5 | 0.1768 | 0.1683 |
| 28 | 0.1675 | 0.1648 |
| 28.5 | 0.1992 | 0.1907 |
| 29 | 0.1966 | 0.1948 |
| 29.5 | 0.2394 | 0.2296 |
| 30 | 0.2587 | 0.2645 |
| 30.5 | 0.3308 | 0.3016 |
| 31 | 0.396 | 0.3795 |
| 31.5 | 0.5002 | 0.4381 |
| 32 | 1.3503 | 1.64 |