TABLE 3

3D Performance Characteristics of NEMA N-01 Standard

ParameterPositionFWHM/FWTMDirectionValue
Spatial resolution (mm)1 cmFWHMRadial and tangential4.61
FWTM8.76
10 cmFWHMRadial5.34
Tangential5.34
FWTMRadial10.05
Tangential10.87
Axial resolution (mm)1 cmFWHM5.10
FWTM9.27
10 cmFWHM5.93
FWTM10.91
Sensitivity (cps/kBq)0 cm4.87
10 cm4.97
Scatter fraction (%)34.1
Counting rate (kcps; kBq/mL)
    Peak trues rate274.19; 31.59
    Peak NEC rate (k = 1)84.77; 28.73
    Peak NEC rate (k = 2)58.71; 21.62