Intrinsic germanium detector efficiency calculations

The efficiency of large high-purity germanium detectors has been studied through Monte Carlo simulation for gamma rays from 0.5 MeV to 20 MeV. Broad-beam and point-source calculations have been carried out for two high-purity germanium detectors. The significant effects of geometric details are desc...

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Bibliographic Details
Published in:IEEE transactions on nuclear science 1991-04, Vol.38 (2), p.231-238
Main Authors: Herold, L.K., Kouzes, R.T.
Format: Article
Language:English
Subjects:
440104 - Radiation Instrumentation- High Energy Physics Instrumentation
Computer simulation
DATA
EFFICIENCY
Exact sciences and technology
Face detection
Gamma ray detection
Gamma ray detectors
Gamma rays
GE SEMICONDUCTOR DETECTORS
Germanium
INFORMATION
INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
Instruments, apparatus, components and techniques common to several branches of physics and astronomy
Manufacturing
MATHEMATICS
MEASURING INSTRUMENTS
MONTE CARLO METHOD
Monte Carlo methods
NUMERICAL ANALYSIS
NUMERICAL DATA
Physics
RADIATION DETECTORS
SEMICONDUCTOR DETECTORS
Shape
SIMULATION
X- and γ-ray instruments and techniques
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Summary:The efficiency of large high-purity germanium detectors has been studied through Monte Carlo simulation for gamma rays from 0.5 MeV to 20 MeV. Broad-beam and point-source calculations have been carried out for two high-purity germanium detectors. The significant effects of geometric details are described, and a comparison of the Monte Carlo calculations to measurements is given. The comparison shows the need to include geometrical detail in calculations of detector efficiency.< >
ISSN:0018-9499
1558-1578
DOI:10.1109/23.289302