Automated determination of segment positions in a high-purity 32-fold segmented germanium detector

被引：4
|
作者：
Miller, KL [1 ]
Glasmacher, T
Campbell, C
Morris, L
Mueller, WF
Strahler, E
机构：
[1] Michigan State Univ, Natl Superconducting Cyclotron Lab, E Lansing, MI 48824 USA
[2] Michigan State Univ, Dept Phys & Astron, E Lansing, MI 48824 USA
[3] Western Kentucky Univ, Dept Phys & Astron, Bowling Green, KY 42102 USA
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2002年 / 490卷 / 1-2期
基金：
美国国家科学基金会;
关键词：
segmented germanium detectors; position determination; automation; gamma-ray energy tracking;
D O I：
10.1016/S0168-9002(02)00907-5
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
An automated system for determining detector segment positions in a high-purity 32-fold segmented germanium detector has been developed. To determine segment positions as they would appear in an experiment, positions must be measured while the 32-fold segmented germanium crystal is kept at liquid nitrogen temperatures. A collimated Co-57 gamma-ray source is moved around the surface of the detector cryostat, and the response of the germanium crystal is measured. Motion of the source is driven by two Slo-Syn motors and BEI incremental optical encoders, which are controlled through LabVIEW programming and a National Instruments PCStep board. The collected data is analyzed to determine the position of the center of each of the 32 segments. (C) 2002 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：140 / 145
页数：6
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