Study of scintillation light from microstructure based detectors

被引:17
作者
Fraga, MM [1 ]
Fetal, STG
Fraga, FAF
Antunes, E
Gonçalves, J
Bueno, CC
Marques, RF
Policarpo, AJPL
机构
[1] Univ Coimbra, LIP Coimbra, P-3000 Coimbra, Portugal
[2] Univ Coimbra, Dept Fis, P-3000 Coimbra, Portugal
[3] Pontificia Univ Catolica Sao Paulo, IPEN CNEN SP, BR-01303050 Sao Paulo, Brazil
[4] Pontificia Univ Catolica Sao Paulo, Dept Fis, BR-01303050 Sao Paulo, Brazil
关键词
D O I
10.1109/23.856721
中图分类号
TM [电工技术]; TN [电子技术、通信技术];
学科分类号
0808 ; 0809 ;
摘要
In a previous work it has been pointed out that a CCD readout system associated to a microstructure based gaseous detector (microstrip, microgap, GEM, etc.) can be used for non destructive testing of these detectors. The choice of the gas mixture is an important issue, in so far as its emission spectrum should overlap efficiently the sensitivity region of the CCD (400-1100 nm). In the present work we report on a systematic study for several gas mixtures which includes measurements of the total light yields as a function of the electric field and of the spectrometric distribution of the light emitted, in the wavelength region between 250 and 930 nm. Results are presented for pure argon and argon and xenon based gas mixtures. A comparison is made between the results obtained with the CCD coupled to a GEM detector and with a gaseous scintillation proportional counter.
引用
收藏
页码:933 / 938
页数:6
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