Abstract
The Anger scintillation camera has capabilities as a whole-body or large-sample counter that are as yet not widely appreciated. The device is available in more than 800 hospitals. With collimator removed and 7 in. lead shadow-shielding its face, we find it gives its maximum performance as a detector of very small amounts of gamma-emitting radio-activity. In the energy region 30–200 keV it competes favorably in efficiency, minimum detectible activity, and energy resolution with the typical large-volume single NaI crystal detector in a steel room. Among readily available actinides, 241Am and 252Cf are particularly suitable for this type of gamma counting.
Published Version
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