1. Simple method to measure gamma camera energy resolution
Nasser Ballani, Geoff Dougherty 
Radiography 
Volume 21, Issue 2, Pages (May 2015)
DOI: /j.radi
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2. Figure 1
Average counts acquired at one detector versus energy window (black), and fitted to a Gaussian (red). (For 99Tcm point source).
Radiography  , DOI: ( /j.radi )
Copyright © 2014 The College of Radiographers Terms and Conditions

3. Figure 2
Gaussian fitting of the counts acquired at the two detectors (detector #1 in black; detector #2 in red) of a dual-head imaging system versus energy window. (For 99Tcm point source).
Radiography  , DOI: ( /j.radi )
Copyright © 2014 The College of Radiographers Terms and Conditions

4. Figure 3
Counts acquired at one detector versus energy window (black), and fitted to a Gaussian (red). (For 131I point source).
Radiography  , DOI: ( /j.radi )
Copyright © 2014 The College of Radiographers Terms and Conditions