TABLE 4.
Radiation type | Kinetic energy (MeV/u) |
LET (keV/μm) |
Z2/β2 | A1 (μm2) | A2 (Gy−1) | RBE1 | RBE2 |
---|---|---|---|---|---|---|---|
56Fe | 600 | 181 | 1,076.4 | 6.92 ± 2.23 (0.004) | 0.24 ± 0.22 | 3.61 ± 1.39 | 1.25 ± 0.64 |
1,000 | 150 | 882.81 | 30.7 ± 7.38 (0.025) | 1.28 ± 0.73 | 19.4 ± 6.21 | 6.69 ± 3.11 | |
48Ti | 500 | 134 | 842.46 | 21.4 ± 13.2 (0.165) | 1.00 ± 1.58 | 15.1 ± 9.81 | 5.21 ± 3.82 |
600 | 120 | 770.65 | 106.8 ± 33.4 (0.013) | 5.55 ± 1.86 | 84.2 ± 31.8 | 29.0 ± 14.7 | |
1,100 | 106 | 614.08 | 19.4 ± 3.95 (0.001) | 1.14 ± 0.38 | 17.3 ± 5.08 | 5.96 ± 2.67 | |
28Si | 300 | 69 | 460.17 | 3.79 ± 1.36 (0.039) | 0.34 ± 0.24 | 5.19 ± 2.16 | 1.79 ± 0.96 |
375/380 | 61 | 398.73 | 7.19 ± 3.38 (0.045) | 0.74 ± 0.69 | 11.1 ± 5.75 | 3.84 ± 2.37 | |
600 | 51 | 312.08 | 5.39 ± 2.33 (0.023) | 0.73 ± 0.44 | 11.1 ± 4.92 | 3.83 ± 2.13 | |
1,000 | 44 | 255.96 | 6.12 ± 1.82 (0.008) | 0.87 ± 0.55 | 13.2 ± 4.80 | 4.54 ± 2.26 | |
16O | 600 | 16 | 101.90 | 3.19 ± 1.46 (0.039) | 1.24 ± 0.61 | 18.9 ± 9.51 | 6.50 ± 3.95 |
1,000 | 14 | 83.58 | 0.44 ± 0.82 (0.604) | 0.20 ± 0.89 | 2.97 ± 5.57 | 1.03 ± 1.95 | |
12C | 290 | 13 | 86.43 | 2.21 ± 0.56 (0.001) | 1.06 ± 0.42 | 16.1 ± 5.31 | 5.55 ± 2.62 |
4He | 250 | 1.6 | 10.62 | 0.25 ± 0.11 (0.142) | 0.98 ± 0.74 | 14.8 ± 7.22 | 5.10 ± 3.03 |
1H | 150 | 0.5 | 3.90 | 0.015 ± 0.008 (0.100) | 0.19 ± 0.25 | 2.84 ± 1.63 | 0.98 ± 0.65 |
250 | 0.4 | 2.66 | 0.011 ± 0.005 (0.068) | 0.17 ± 0.06 | 2.60 ± 1.30 | 0.90 ± 0.54 | |
1,000 | 0.22 | 1.31 | 0.012 ± 0.004 (0.016) | 0.34 ± 0.31 | 5.16 ± 2.04 | 1.78 ± 0.93 | |
Gamma ray | - | - | - | - | 0.066 ± 0.014 | 1.00 ± 0.30 | 0.35 ± 0.16 |