Table 1 System characteristics of the WT-PET and the Quadra-like TB-PET

Scintillator material

BGO

LSO

Crystal size (mm)

\(50\times 50\times 16\)

\(3.2\times 3.2\times 20\)

DOI capable

Yes

No

Ring diameter (cm)

–

82

Panels distance (cm)

50

–

Axial FOV (cm)

106

106

Shortest LOR through the center (cm)

50

82

Longest LOR through the center (cm)

138.61

134.00

Energy resolution

15 %

11 %

Energy window (keV)

434-645

455-645

TOF resolution (ps)

327

228

Dead time (ns)

370

320