Table 1.
Expected average physical parameters for target fragments produced in water by a 180 MeV proton beam. The initial average energies of secondary fragments are calculated according to the Goldhaber formula (Equation (5)), considering the dependence of pF on the fragment mass (Equation (6)).
| Fragment | E (MeV) | LET (keV/μm) | Range (μm) |
|---|---|---|---|
| 15O | 1.0 | 983 | 2.3 |
| 15N | 1.0 | 925 | 2.5 |
| 14N | 2.0 | 1137 | 3.6 |
| 13C | 3.0 | 951 | 5.4 |
| 12C | 3.8 | 912 | 6.2 |
| 11C | 4.6 | 878 | 7.0 |
| 10B | 5.4 | 643 | 9.9 |
| 8Be | 6.4 | 400 | 15.7 |
| 6Li | 6.8 | 215 | 26.7 |
| 4He | 6.0 | 77 | 48.5 |
| 3He | 4.7 | 89 | 38.8 |
| 2H | 2.5 | 14 | 68.9 |