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Efficiency Determinations for a Ge(Li) Detector

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Title: Efficiency Determinations for a Ge(Li) Detector
Creators: Tokcan, G.; Cothern, C. R.
Issue Date: 1969-03
Citation: The Ohio Journal of Science. v69 n2 (March, 1969), 92-100
Abstract: The intrinsic efficiency of a Ge(Li) detector was determined for gamma-ray energies between 150 keV and 1500 keV. Two experimental methods were used. One method made use of the known relative intensities of La140 and Eu154 gamma rays. The second method made use of the known intensities of several calibrated sources. The resulting experimental full-energy peak-efficiency curve is compared with a published semi-empirical relation given by k « = — [l-e-cr+Aoe-BE], c where e is the efficiency, and r and a are the photoelectric and Compton scattering absorption coefficients, respectively. The empirical constants k, A, B, and c are parameters, and E is the gamma-ray energy. It was found that the above relation agrees with the experimental results within an accuracy of 3%.
URI: http://hdl.handle.net/1811/5457
ISSN: 0030-0950
Rights: Reproduction of articles for non-commercial educational or research use granted without request if credit to The Ohio State University and The Ohio Academy of Science is given.
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