R&D results on a CsI-coated triple thick GEM-based photodetector

被引：13
作者：
Martinengo, P. [1 ]
Peskov, V. [1 ,2 ]
Breskin, A. [3 ]
Di Mauro, A. [1 ]
Mayani Paras, D. [2 ]
Molnar, L. [1 ]
Nappi, E. [4 ]
Paic, G. [2 ]
van Hoorne, J. [5 ]
机构：
[1] CERN, Geneva, Switzerland
[2] Univ Nacl Autonoma Mexico, Inst Ciencias Nucl, Mexico City 04510, DF, Mexico
[3] Weizmann Inst Sci, IL-76100 Rehovot, Israel
[4] Ist Nazl Fis Nucl, I-70126 Bari, Italy
[5] Vienna Univ Technol, A-1060 Vienna, Austria
来源：
NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2011年 / 639卷 / 01期
关键词：
RICH; Micropattern gaseous detectors; Thick GEM; CsI photocathode; DETECTORS;
D O I：
10.1016/j.nima.2010.10.033
中图分类号：
TH7 [仪器、仪表];
学科分类号：
0804 ; 080401 ; 081102 ;
摘要：
The very high momentum particle identification detector proposed for the ALICE upgrade is a focusing RICH using a C(4)F(10) gaseous radiator. For the detection of Cherenkov photons, one of the options currently under investigation is to use a CsI-coated triple thick GEM with metallic or resistive electrodes. We will present results from the laboratory studies as well as preliminary results of beam tests of a RICH detector prototype consisting of a CaF(2) radiator coupled to a 10 x 10 cm(2) CsI-coated triple thick GEM equipped with a pad readout and GASSIPLEX-based front-end electronics. With such a prototype the detection of Cherenkov photons simultaneously with minimum ionizing particles has been achieved for the first time in a stable operation mode. (C) 2010 Elsevier B.V. All rights reserved.
引用
收藏
页码：126 / 129
页数：4
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