Performance of an optical readout GEM-based TPC

被引：29
作者：
Margato, LMS [1 ]
Fraga, FAF
Fetal, STG
Fraga, MMFR
Balau, EFS
Blanco, A
Marques, RF
Policarpo, AJPL
机构：
[1] LIP, P-3004516 Coimbra, Portugal
[2] Univ Coimbra, Dept Fis, P-3004516 Coimbra, Portugal
[3] Univ Coimbra, Dept Fis, Ctr Fis Radiacao & Mat, P-3004516 Coimbra, Portugal
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2004年 / 535卷 / 1-2期
关键词：
GEM detectors; CCD; scintillation; optical readout; time projection chamber; neutron spectrometry;
D O I：
10.1016/j.nima.2004.07.126
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
We report on the operation of a GEM-based small TPC using an optical readout. The detector was operated with a mixture of Ar+CF4 using 5.48MeV alpha particles obtained from a Am-241 source and the GEM scintillation was concurrently read by a CCD camera and a photomultiplier. Precision collimators were used to define the track orientation. Qualitative results on the accuracy of the track angle, length and charge deposition measurements are presented. (C) 2004 Elsevier B.V. All rights reserved.
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收藏
页码：231 / 235
页数：5
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