Simultaneous reconstruction of scintillation light and ionization charge produced by 511 keV photons in liquid xenon: Potential application to PET

被引：12

作者：

Amaudruz, P. ^{[2
]}

Bryman, D. ^{[1
]}

Kurchaninov, L. ^{[2
]}

Lu, P. ^{[1
]}

Marshall, C. ^{[2
]}

Martin, J. P. ^{[3
]}

Muennich, A. ^{[2
]}

Retiere, F. ^{[2
]}

Sher, A. ^{[2
]}

机构：

[1] Univ British Columbia, Dept Phys & Astron, Vancouver, BC V6T 1Z1, Canada

[2] TRIUMF, Vancouver, BC V6T 2A3, Canada

[3] Univ Montreal, Montreal, PQ H3C 3J7, Canada

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2009年 / 607卷 / 03期

基金：

加拿大创新基金会;

关键词：

Liquid xenon; PET; Medical imaging; TPC; AREA AVALANCHE PHOTODIODE; PERFORMANCE; SIMULATION; ARGON;

D O I：

10.1016/j.nima.2009.06.036

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

In order to assess the performance of liquid xenon detectors for use in positron emission tomography we studied the scintillation light and ionization charge produced by 511 keV photons in a small prototype detector. Scintillation light was detected with large area avalanche photodiodes while ionization electrons were collected on an anode instrumented with low noise electronics after drifting up to 3 cm. Operational conditions were studied as a function of the electric field. Energy resolutions of <10% (FWHM) were achieved by combining the scintillation light and ionization charge signals. The relationship between scintillation light and ionization signals was investigated. An analysis of the sources of fluctuations was performed in order to optimize future detector designs. (C) 2009 Elsevier B.V. All rights reserved.

引用

页码：668 / 676

页数：9

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