Table 3 Radial dose function calculated for the new GZP3 60Co afterloading system by Geant4 and EGSnrc
From: Monte Carlo dosimetry of the 60Co sources of a new GZP3 HDR afterloading system
r (cm) | g(r) | |||
|---|---|---|---|---|
Channel 1 and 2 | Channel 3 | |||
Geant4 | EGSnrc | Geant4 | EGSnrc | |
0.25 | 0.963 | 0.965 | 0.964 | 0.969 |
0.5 | 1.037 | 1.035 | 1.033 | 1.039 |
0.75 | 1.015 | 1.010 | 1.011 | 1.015 |
1 | 1.000 | 1.000 | 1.000 | 1.000 |
1.5 | 0.991 | 0.991 | 0.989 | 0.994 |
2 | 0.981 | 0.982 | 0.981 | 0.985 |
2.5 | 0.971 | 0.973 | 0.972 | 0.976 |
3 | 0.966 | 0.965 | 0.963 | 0.967 |
4 | 0.950 | 0.947 | 0.947 | 0.950 |
5 | 0.936 | 0.931 | 0.935 | 0.933 |
6 | 0.917 | 0.914 | 0.921 | 0.916 |
7 | 0.898 | 0.898 | 0.901 | 0.900 |
8 | 0.883 | 0.882 | 0.885 | 0.884 |
10 | 0.852 | 0.850 | 0.849 | 0.853 |