Ratios of Scattered Photons to Total Number of Photons Detected Within Energy Window (15% or 20%)
| 113-keV window | 208-keV window | ||||
| Crystal | Collimator* | 15% | 20% | 15% | 20% |
| 3/8″ | HE | 0.60 | 0.55 | 0.27 | 0.22 |
| 3/8″ | ME | 0.60 | 0.55 | 0.27 | 0.22 |
| 3/8″ | LEGP | 0.53 | 0.49 | 0.21 | 0.18 |
| 3/8″ | LEHR | 0.49 | 0.47 | 0.20 | 0.17 |
| 5/8″ | HE | 0.60 | 0.56 | 0.27 | 0.22 |
| 5/8″ | ME | 0.60 | 0.56 | 0.26 | 0.22 |
| 5/8″ | LEGP | 0.55 | 0.52 | 0.20 | 0.17 |
| 5/8″ | LEHR | 0.53 | 0.49 | 0.20 | 0.17 |
↵* GE Infinia camera.
Results of this simulation with XCAT phantom are presented as a function of 2 crystal thicknesses and 4 collimators.