Geometric Sensitivities for Hybrid PET Systems
| Configuration | RoR (mm)* | ||||
|---|---|---|---|---|---|
| 250 | 300 | 250 | 250 | 250 | |
| (90) | (90) | (45) | (23) | (11) | |
| [α2] = [180°] | 100 | 87.7 | 100 | 76.0 | 44.5 |
| [α2, α3] = [120°, 240°] | 183 | 140 | 100 | 0 | 0 |
| [α2, α3] = [90°, 180°] | 159 | 124 | 105 | 76.0 | 44.5 |
| [α2, α3, α4] = [90°, 180°, 270°] | 317 | 247 | 210 | 152 | 89 |
↵* Acceptance angles (deg) are given in parentheses.
Geometric sensitivities were integrated between center of rotation and 200 mm radially as percentage relative to [α2] = [180°] (250-mm RoR, 90° acceptance angle).