Table 13.
The Geant4 annual GCR dose equivalents (cSv/y) for the continuous-coil toroid (CCT) shield configuration, with and without the 8 Tm field, for the acceptance corresponding to the barrel region (Figure 9).
| CCT no field |
CCT field |
|||||
|---|---|---|---|---|---|---|
| Z | Skin | BFO | Body | Skin | BFO | Body |
| 1 | 16.3 ± 0.5 | 15.2 ± 0.9 | 15.1 ± 0.3 | 12.3 ± 0.9 | 11.3 ± 0.4 | 11.6 ± 0.3 |
| 2 | 3.94 ± 0.13 | 3.84 ± 0.36 | 3.88 ± 0.08 | 3.56 ± 0.43 | 3.10 ± 0.27 | 3.40 ± 0.07 |
| 3–10 | 1.52 ± 0.08 | 1.32 ± 0.12 | 1.38 ± 0.08 | 1.17 ± 0.07 | 1.03 ± 0.04 | 1.06 ± 0.04 |
| 11–20 | 1.01 ± 0.10 | 0.80 ± 0.10 | 0.84 ± 0.09 | 0.75 ± 0.06 | 0.60 ± 0.04 | 0.65 ± 0.04 |
| 21–28 | 1.04 ± 0.13 | 0.74 ± 0.12 | 0.84 ± 0.14 | 0.90 ± 0.08 | 0.64 ± 0.11 | 0.72 ± 0.09 |
| Total | 23.8 ± 0.5 | 21.9 ± 1.0 | 22.1 ± 0.4 | 18.7 ± 1.0 | 16.7 ± 0.5 | 17.4 ± 0.3 |
| Fraction field on/off | 0.79 ± 0.06 | 0.76 ± 0.05 | 0.79 ± 0.02 | |||
The quoted uncertainties represent the root-mean-square deviation of the average dose recorded in the six water cylinders (Figure 5).