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Parameter values of the obtained optimal collimator and the HEGP collimator of a Philips Precedence SPECT/CT system.
| FOM (kBq/g) | R (cm) | a (cm−1) | T (mm) | D (mm) | H (mm) | |
|---|---|---|---|---|---|---|
| Optimal | 651 | 1.2 | 0.0291 | 84 | 3.50 | 1.40 |
| HEGP | 791 | 1.65 | 0.0311 | 60 | 3.81 | 1.727 |
Note: T: hole length; D: hole diameter; H: septal thickness.
