DeFelice P, Fazio A, Vidmar T, Korun M
EC Joint Research Centre Ispra, I-21020 Italy.
Appl Radiat Isot. 2006 Oct-Nov;64(10-11):1303-6. doi: 10.1016/j.apradiso.2006.02.050. Epub 2006 Mar 23.
When close-geometry detector calibration is required in gamma-ray spectrometry, single-line emitters are usually used in order to avoid true coincidence summing effects. We managed to overcome this limitation by developing a method for the determination of the efficiency of p-type HPGe detectors in close-geometry with a calibrated Cs-134 point source. No separate determination of coincidence summing correction factors is required and a single measurement furnishes the full-energy-peak efficiencies in the 475-1365 keV energy range.
