Skip to main content
EJNMMI Physics

Table 4 Dead time values τEW (μs) determined using the graphical method

From: Gamma detector dead time correction using Lambert W function

Detector

Energy window

Intrinsic τ (μs)

Point source 1 τ (μs)

Point source 2 τ (μs)

Scatter phantom 1 τ (μs)

Scatter phantom 2 τ (μs)

Det 1

OW

1.30

1.05

1.07

0.92

0.94

99mTc

3.16

2.69

2.61

3.6

4.29

Det 2

OW

1.25

1.01

0.99

0.87

0.93

99mTc

3.32

2.33

2.57

3.58

4.44

  1. Dead time values τEW (μs), as determined from the intrinsic and the extrinsic (LEHR, with NEMA scatter phantom) measurements, using the graphical method
Back to article page