| 能量/MeV | 衰减系数 | 衰减10倍所需厚度 | ||
| 钨* | 铅 | 钨* | 铅 | |
| 0.1 | 64.8 | 60.4 | 0.036 | 0.038 |
| 0.2 | 11.5 | 10.6 | 0.20 | 0.22 |
| 0.5 | 2.14 | 1.70 | 1.08 | 1.35 |
| 1.0 | 1.08 | 0.77 | 2.14 | 2.98 |
| 1.25 | 0.929 | 0.598 | 2.48 | 4.62 |