The use of Monte Carlo calculations in the determination of a Ge detector efficiency curve
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Precise measured data and an extensive set of Monte Carlo calculations have been combined to optimize the parameters for a 280cm3 n-type Ge semiconductor photon detector, with the outcome that the Monte Carlo calculations now provide a very precise detector efficiency curve. The detector position and its length were determined from a set of measurements that included an axial scan. Measurements of the relative efficiencies based on radionuclides with accurately known relative photon emission rates were combined with efficiencies calculated by a Monte Carlo photon and electron transport code to adjust the detector diameter, internal deadlayer thickness, and the effective external deadlayer thickness. Our results show that, in a well-studied situation, it is possible to use Monte Carlo calculations to aid in the determination of a Ge detector's efficiency with an accuracy of about 0.2% from 50 to 1400keV. 2003 Elsevier B.V. All rights reserved.
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT
author list (cited authors)
Helmer, R. G., Hardy, J. C., Iacob, V. E., Sanchez-Vega, M., Neilson, R. G., & Nelson, J.
complete list of authors
Helmer, RG||Hardy, JC||Iacob, VE||Sanchez-Vega, M||Neilson, RG||Nelson, J