Zhihai Wang, Yangmei Fan, Zhenxi Xiao. The efficiency calibration of a Ge (Li) detector in short source-to-detector geometry[J]. Nuclear techniques, 1989, 12(2): 105-109.
Zhihai Wang, Yangmei Fan, Zhenxi Xiao. The efficiency calibration of a Ge (Li) detector in short source-to-detector geometry[J]. Nuclear techniques, 1989, 12(2): 105-109.DOI:
A method for the efficiency calibration of a Ge (Li) detector at short source-to-detector distance is described. It combines the multi-gamma-ray source calibration method with the distance variation method with several single-gamma-ray sources. The full-energy peak relative efficiency
full-energy peak absolute efficiency and total efficiency have been determined with an error of 1.5%
1.6% and 4.1% respectively at the energy ranging from 120 to 1115 keV. Therefore the spectroscopy can be used effectively to measure weak gamma-ray source which may emit cascading photons. With the method
the full-energy peak relative efficiency can be calibrated using an unknown activity gamma-ray source.
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K. Kawade et al . , Nucl. Instr. Meth . , 190 ( 1981 ), 1 .