Gallium arsenide AC-coupled microstrip detectors with integrated resistors

被引:2
作者
Bates, RL
D'Auria, S
del Papa, C
O'Shea, V
Raine, C
Ludwig, J
Runge, K
Schmid, T
Smith, KM
机构
[1] Univ Freiburg, Fak Phys, D-7800 Freiburg, Germany
[2] Univ Udine, Dipartmento Fis, I-33100 Udine, Italy
[3] INFN Trieste, Udine, Italy
[4] Univ Glasgow, Dept Phys & Astron, Glasgow G12 8QQ, Lanark, Scotland
关键词
D O I
10.1016/S0168-9002(98)00136-3
中图分类号
TH7 [仪器、仪表];
学科分类号
0804 ; 080401 ; 081102 ;
摘要
GaAs microstrip detector prototypes for the ATLAS forward tracker have been fabricated and tested. They feature integrated capacitors for AC-coupling and a novel biasing technique based on the high-resistivity substrate material with ohmic contacts. The strips are wedge shaped and the detector has a 5.5 cm long off-axis edge cut. The detector has been tested with the LBIC binary read-out chip in a beam test performed at the CERN SPS with 120 GeV pi(-), showing a 97% detection efficiency. (C) 1998 Elsevier Science B.V. All rights reserved.
引用
收藏
页码:19 / 25
页数:7
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