Further studies of two-phase krypton detectors based on Gas Electron Multipliers

被引：12
|
作者：
Bondar, A [1 ]
Buzulutskov, A [1 ]
Pavlyuchenko, D [1 ]
Snopkov, R [1 ]
Tikhonov, Y [1 ]
机构：
[1] Budker Inst Nucl Phys, Novosibirsk 630090, Russia
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2005年 / 548卷 / 03期
关键词：
GEM; cryogenic avalanche detectors; two-phase detectors; PET;
D O I：
10.1016/j.nima.2005.04.055
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We further study the performance of cryogenic two-phase avalanche detectors, based on Gas Electron Multipliers (GEMs) and operated in an electron-avalanching mode in Kr. Stable operation of the triple-GEM in saturated vapor, above the liquid, has been demonstrated for several hours. The signals induced by 0.5 MeV gamma-rays were recorded from the two-phase detector in coincidences with a BGO counter, aiming at potential applications in Positron Emission Tomography. Charging-up effects were observed at high anode current densities in GEM-based two-phase detectors. (c) 2005 Elsevier B.V. All rights reserved.
引用
收藏
页码：439 / 445
页数：7
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