Sphere radius (μm) | Sphere diameter (μm) | Fraction of energy retained in sphere | S value (Gy Bq−1s−1): this work | S value: Goddu et al. (12,13)* | Comparison with present work† | S value: Bardiès and Chatal (14)‡ | Comparison with present work§ |
---|---|---|---|---|---|---|---|
0.05 | 0.1 | 4.3 × 10−4 | 2.51 × 101 | ||||
0.1 | 0.2 | 6.81 × 10−4 | 4.82 | ||||
0.5 | 1 | 2.13 × 10−3 | 1.22 × 10−1 | ||||
1 | 2 | 3.42 × 10−3 | 2.42 × 10−2 | 2.53 × 10−2 | +4.5% | ||
5 | 10 | 1.18 × 10−2 | 6.70 × 10−4 | 6.5 × 10−4 | −3% | ||
10 | 20 | 2.15 × 10−2 | 1.55 × 10−4 | 1.45 × 10−4 | −6.5% | 1.61 × 10−4 | +3.9% |
15 | 30 | 3.02 × 10−2 | 6.53 × 10−5 | 6.93 × 10−5 | +6.1% | ||
50 | 100 | 8.73 × 10−2 | 5.08 × 10−6 | 5.38 × 10−6 | +5.9% | ||
100 | 200 | 1.53 × 10−1 | 1.12 × 10−6 | 1.03 × 10−6 | −8% | 1.2 × 10−6 | +7.1% |
150 | 300 | 2.11 × 10−1 | 4.55 × 10−7 | 4.91 × 10−7 | +7.9% | ||
200 | 400 | 2.62 × 10−1 | 2.39 × 10−7 | 2.16 × 10−7 | −9.6% | 2.59 × 10−7 | +8.4% |
300 | 600 | 3.5 × 10−1 | 9.47 × 10−8 | 1.03 × 10−7 | +8.8% | ||
500 | 1,000 | 4.92 × 10−1 | 2.86 × 10−8 | 2.8 × 10−8 | −2.1% | 3.11 × 10−8 | +8.7% |
1,500 | 3,000 | 7.84 × 10−1 | 1.69 × 10−9 | 1.77 × 10−9 | +4.7% | ||
2,500 | 5,000 | 8.71 × 10−1 | 4.07 × 10−10 | 4.01 × 10−10 | −1.5% | 4.17 × 10−10 | +2.5% |