Characteristics of Scintillation Crystals for PET
| Characteristic | BGO (Bi4Ge3O12) | LSO (Lu2SiO5:Ce) | GSO (GdSiO5:Ce) |
|---|---|---|---|
| Density (g/cm3) | 7.1 | 7.4 | 6.7 |
| Effective Z | 75 | 65 | 59 |
| Attenuation length at 511 keV (mm) | 10.4 | 11.4 | 14.1 |
| Light yield (photons/MeV) | 9,000 | 26,000 | 10,000 |
| Decay time (ns) | 300 | 40 | 60 |
| Emission (nm) | 480 | 420 | 440 |