NDLI: Studies of Detection Efficiencies and Operating Characteristics of Ge(Li) Detectors

Content Provider	IEEE Xplore Digital Library
Author	Cline, J. E.
Copyright Year	1963
Abstract	The rapidly expanding use of Ge(Li) detectors in all fields of gamma-ray spectroscopy has led to a need for information from which experimenters may effectively select the best detector for their special needs. This is necessitated because of the large variety of detector sizes and configurations which are currently available and the lack of standardization of sizes. Several criteria should be considered in the selection of a detector for a specific application. Among these are: 1) detection efficiency, 2) charge collection efficiency, which gives rise to abnormal peak broadening as a function of gamma-ray energy as well as to asymmetric peak shapes, 3) timing characteristics for coincidence applications, and 4) energy resolution which is one of the measures of the ability to identify a weak gamma-ray in the presence of strong higher-energy gamma rays. We have measured these characteristics for several planar and open-ended and five-sided coaxial detectors. Absolute full-energy peak, double-escape peak and single-escape peak efficiencies were obtained for gamma-ray energies from 30 keV to 11 MeV. For planar devices, the effects of thickness and cross-sectional area of the depleted volume have been investigated. Some studies have been made of the problems involved in measuring gamma-ray intensities. These include measurements of the counter "edge effects" by a comparison of the efficiency curves obtained at different source-detector distances. Other studies involve random and real coincidence summing effects which are countingrate and geometry-dependent effects.
Sponsorship	IEEE Nuclear and Plasma Sciences Society Computer Applications in Nuclear and Plasma Sciences (CANPS) Lawrence Berkeley Lab. Lawrence Livermore Nat. Lab. APS College of William and Mary Continuous Electron Beam Accelerator Facility NASA Defence Nuclear Agency Sandia National Laboratories Jet Propulsion Laboratory Brookhaven Nat. Lab. Lawrence Livermore Nat. Lab IEEE/NPPS Radiat. Effects Committee Defence Nuclear Agency/DoD Sandia National Laboratories/DOE Jet Propulsion Laboratory/NASA Phillips Lab./DoD
Starting Page	198
Ending Page	213
Page Count	16
File Size	3133742
File Format	PDF
ISSN	00189499
Volume Number	15
Issue Number	3
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	1968-06-01
Publisher Place	U.S.A.
Access Restriction	One Nation One Subscription (ONOS)
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Gamma ray detection Gamma ray detectors Shape measurement Spectroscopy Standardization Timing Energy resolution Current measurement Charge measurement Energy measurement
Content Type	Text
Resource Type	Article
Subject	Nuclear and High Energy Physics Electrical and Electronic Engineering Nuclear Energy and Engineering

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The Characteristics of an Ultra-High Resolution Ge(Li) Spectrometer for Singles and Coincidence X-Ray and Gamma-Ray Studies

Problems Related to Charge Collection Variations in Ge(Li) Detectors with Special Reference to Timing

Ge(Li) Low Level In-Situ Gamma-Ray Spectrometer Applications

Evaluation of Well-Type Ge(Li) Detectors for Low-Level Radiochemical Analysis

Performance and Cost Comparison of a Large Ge(Li) Detector and Smaller Ge(Li)-NaI(Tl) Compton Suppression System

Characteristics of Coaxial Ge(Li) Detectors through Warm-Up and Re-Drift Cycles

In-Situ Gamma-Ray Measurement Using Ge(Li) Detectors

Gamma Ray Efficiency Comparisons for Si(Li), Ge, CdTe and HgI2 Detectors

Improved Amplitude and Rise Time Compensated Timing with Ge Detectors

Studies of Detection Efficiencies and Operating Characteristics of Ge(Li) Detectors

Similar Documents

The Characteristics of an Ultra-High Resolution Ge(Li) Spectrometer for Singles and Coincidence X-Ray and Gamma-Ray Studies

Problems Related to Charge Collection Variations in Ge(Li) Detectors with Special Reference to Timing

Ge(Li) Low Level In-Situ Gamma-Ray Spectrometer Applications

Evaluation of Well-Type Ge(Li) Detectors for Low-Level Radiochemical Analysis

Performance and Cost Comparison of a Large Ge(Li) Detector and Smaller Ge(Li)-NaI(Tl) Compton Suppression System

Characteristics of Coaxial Ge(Li) Detectors through Warm-Up and Re-Drift Cycles

In-Situ Gamma-Ray Measurement Using Ge(Li) Detectors

Gamma Ray Efficiency Comparisons for Si(Li), Ge, CdTe and HgI2 Detectors

Improved Amplitude and Rise Time Compensated Timing with Ge Detectors

Studies of Detection Efficiencies and Operating Characteristics of Ge(Li) Detectors