Table 3.
Attenuation coefficients for 122.1 and 136.5 keV photons and calculated lead equivalents values for investigated elastomeric composites
| Elastomer | d (1 layer) (g/cm2) | μ 122.1 (cm2/g) | R Pb-122.1 (mm) | μ 136.5 (cm2/g) | R Pb-136.5 (mm) |
|---|---|---|---|---|---|
| M1 | 0.195 | 1.659 | 0.085 | 1.274 | 0.086 |
| M2 | 0.244 | 1.768 | 0.128 | 1.352 | 0.130 |
| M3 | 0.230 | 1.755 | 0.120 | 1.340 | 0.121 |
| M4 | 0.236 | 1.724 | 0.121 | 1.316 | 0.122 |
| G1 | 0.134 | 1.164 | 0.046 | 0.905 | 0.048 |
| G2 | 0.178 | 1.435 | 0.076 | 1.102 | 0.077 |
| G3 | 0.176 | 1.474 | 0.077 | 1.127 | 0.078 |
| G4 | 0.174 | 1.375 | 0.071 | 1.052 | 0.072 |
| EP | 0.162 | 1.606 | 0.068 | 1.206 | 0.068 |
| Z | 0.172 | 1.555 | 0.080 | 1.174 | 0.079 |