Fig. 1. The jPET-D4 prototype.
TABLE I
MAJOR SPECIFICATIONS OF THE JPET-D4
Crystal material
GSO
Crystal size
2.9 × 2.9 × 7.5 mm3
PMT type
256-channel flat panel PS-PMT
DOI capability
4-layer
DOI discrimination
pulse shape discrimination + Anger calculation
Number of crystals
122,880 (1536 transaxial x 80 axial)
Number of PMTs
120 (24 transaxial × 5 axial)
Ring diameter
390mm
Transaxial FOV
300mm
Axial FOV
260mm
Number of LOR
4,404,019,200