Self-Dose S Values for Crypt Cells for Electrons Assuming Activity Is Uniformly Distributed in Small Intestinal Wall (Thickness, 3 mm) and in Contents
| Electron energy (MeV) | S value (mGy MBq−1 s−1) at mucus thickness of | |||||||
|---|---|---|---|---|---|---|---|---|
| 5 μm | 50 μm | 100 μm | 200 μm | |||||
| Wall | ||||||||
| 0.05 | 1.03·10−5 | 1.02·10−5 | 1.01·10−5 | 1.02·10−5 | ||||
| 0.1 | 2.07·10−5 | 2.05·10−5 | 2.03·10−5 | 2.05·10−5 | ||||
| 0.2 | 4.03·10−5 | 4.04·10−5 | 3.99·10−5 | 4.00·10−5 | ||||
| 0.5 | 8.51·10−5 | 8.70·10−5 | 8.93·10−5 | 9.21·10−5 | ||||
| 0.8 | 1.19·10−4 | 1.21·10−4 | 1.23·10−4 | 1.26·10−4 | ||||
| 1 | 1.35·10−4 | 1.35·10−4 | 1.36·10−4 | 1.40·10−4 | ||||
| 2 | 1.69·10−4 | 1.70·10−4 | 1.71·10−4 | 1.74·10−4 | ||||
| 5 | 2.25·10−4 | 2.25·10−4 | 2.25·10−4 | 2.25·10−4 | ||||
| 8 | 2.62·10−4 | 2.64·10−4 | 2.65·10−4 | 2.67·10−4 | ||||
| 10 | 2.77·10−4 | 2.77·10−4 | 2.76·10−4 | 2.76·10−4 | ||||
| Contents | ||||||||
| 0.05 | 9.10·10−11 | 8.87·10−11 | 8.83·10−11 | 8.67·10−11 | ||||
| 0.1 | 3.67·10−10 | 3.50·10−10 | 3.13·10−10 | 3.04·10−10 | ||||
| 0.2 | 1.35·10−9 | 1.40·10−9 | 1.38·10−9 | 1.24·10−9 | ||||
| 0.5 | 7.98·10−6 | 7.03·10−6 | 6.15·10−6 | 4.60·10−6 | ||||
| 0.8 | 2.20·10−5 | 2.09·10−5 | 1.98·10−5 | 1.76·10−5 | ||||
| 1 | 3.12·10−5 | 2.99·10−5 | 2.97·10−5 | 2.64·10−5 | ||||
| 2 | 7.49·10−5 | 7.34·10−5 | 7.19·10−5 | 6.91·10−5 | ||||
| 5 | 1.74·10−4 | 1.72·10−4 | 1.70·10−4 | 1.67·10−4 | ||||
| 8 | 2.06·10−4 | 2.05·10−4 | 2.03·10−4 | 2.00·10−4 | ||||
| 10 | 2.13·10−4 | 2.12·10−4 | 2.10·10−4 | 2.07·10−4 | ||||