Gamma ray polarimetry using a position sensitive germanium detector

被引：23
作者：
Kroeger, RA [1 ]
Johnson, WN
Kurfess, JD
Phlips, BF
机构：
[1] USN, Res Lab, Washington, DC 20375 USA
[2] Univ Space Res Assoc, Columbia, MD 21044 USA
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1999年 / 436卷 / 1-2期
关键词：
gamma-ray; polarimetry; germanium detector; Compton;
D O I：
10.1016/S0168-9002(99)00615-4
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
Imaging gamma-ray detectors make sensitive polarimeters in the Compton energy regime by measuring the scatter direction of gamma rays. The principle is to capitalize on the angular dependence of the Compton scattering cross section to polarized gamma rays and measure the distribution of scatter directions within the detector. This technique is effective in a double-sided germanium detector between roughly 50 keV and 1 MeV. This paper reviews device characteristics important to the optimization of a Compton polarimeter, and summarizes measurements we have made using a device with a 5 x 5 cm active area, 1 cm thickness, and strip-electrodes on a 2 mm pitch. (C) 1999 Elsevier Science B.V. All rights reserved.
引用
收藏
页码：165 / 169
页数：5
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