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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