Readout of non-irradiated and irradiated strip detectors with fast analogue electronics

被引:6
作者
Cindro, V
Kramberger, G
Mikuz, M
Zontar, D
Kaplon, J
Riedler, P
Roe, S
Weilhammer, P
Dabrowski, W
机构
[1] Univ Ljubljana, Jozef Stefan Inst, SL-1000 Ljubljana, Slovenia
[2] Univ Ljubljana, Dept Phys, SL-1000 Ljubljana, Slovenia
[3] CERN, Geneva, Switzerland
[4] Cracow FPNT, Krakow, Poland
关键词
D O I
10.1016/S0168-9002(99)00871-2
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
Silicon microstrip detectors with 50 mu m readout pitch were connected to fast LHC-type analogue readout electronics (DMILL SCT32A) and their performance evaluated before and after irradiation. The p-type strips with a length of 4 cm were fabricated on high-resistivity n-bulk wafers by CSEM. Fast neutrons from the TRIGA research reactor in Ljubljana were used to irradiate detectors to two different fluences: 4.5 x 10(13) and 1.5 x 10(14)/cm(2) 1 MeV neutron equivalent non-ionizing energy loss. A Sr-90 beta source setup was used for detector performance measurements. Most of the observed signal/noise degradation after il radiation could be attributed to the signal loss. Around 82% charge collection efficiency was measured at higher fluence 100 V above full depletion voltage as determined with C-V measurements. Measurements were performed during annealing and reverse annealing of effective dopant concentration. (C) 2000 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:337 / 343
页数:7
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