Table 5 Percentage loss of energy window fraction per 100kcps increase in count rate
From: Gamma detector dead time correction using Lambert W function
Energy window | Intrinsic (%) | Point source 1 (%) | Point source 2 (%) | Scatter phantom 1(%) | Scatter phantom 2 (%) | |
|---|---|---|---|---|---|---|
Det 1 | 99mTc (20%) | − 9.5 | − 9.4 | − 7.5 | − 5.1 | − 8.4 |
99mTc (40%) | − 6.9 | − 3.5 | − 3.5 | − 4.6 | ||
Det 2 | 99mTc (20%) | − 7.7 | − 8.9 | − 9.7 | − 5.7 | − 9.5 |
99mTc (40%) | − 6.6 | − 7.1 | − 3.9 | − 4.5 |