Development of a double metal, AC-coupled silicon pad detector

被引：18

作者：

Lin, WT

Chang, YH

Chen, AE

Hou, SR

Lin, CH

Kulinich, P

Ryan, J

Steinberg, P

Wadsworth, B

Wyslouch, B

机构：

[1] NATL CENT UNIV,DEPT PHYS,CHUNGLI 32054,TAIWAN

[2] MIT,CAMBRIDGE,MA 02139

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 1997年 / 389卷 / 03期

关键词：

D O I：

10.1016/S0168-9002(97)00346-X

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

A large area radial silicon pad detector has been produced, tested, and installed for the WA98 experiment at CERN. This paper describes the structure and the first test results of the silicon sensors used in this detector. Double metal technology has been used to lead the signals from the inner pads to the edge of the sensitive region. The capacitance for each pad has been measured and is shown to vary according to the pad size. Signals from Sr-90 radiation have been analysed, and a signal-to-noise ratio of over 30 has been achieved. The RMS noise varies with the capacitance of each pad, and the variation agrees with the specification of the preamplifier. No evidence of cross talk due to the capacitance coupling between two metal layers has been observed.

引用

页码：415 / 420

页数：6

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