Table 6. Monte Carlo simulated primary, scatter and collimator penetration fractions for the experimental set-up with the line source centered in 20 cm PMMA.
99mTc | 90Y 120–250 keV | 90Y 50–250 keV | 166Ho | ||||
VXGP | MEGP | HEGP | MEGP | HEGP | MEGP | HEGP | |
PF [%] | 56 | 6 | 10 | 6 | 9 | 15 | 20 |
SF [%] | 37 | 21 | 33 | 41 | 54 | 20 | 27 |
CPF [%] | 7 | 73 | 58 | 52 | 37 | 65 | 54 |