A gas avalanche light detector for multi-kiloton liquid argon TPC

被引：0

作者：

Bricola, S. ^{[1
]}

Brunetti, R. ^{[1
]}

Calligarich, E. ^{[1
]}

Cambiaghi, M. ^{[1
]}

De Vecchi, C. ^{[1
]}

Dolfini, R. ^{[1
]}

Menegolli, A. ^{[1
]}

Prata, M. ^{[1
]}

Prata, M. C. ^{[1
]}

Raselli, G. L. ^{[1
]}

Rossella, M. ^{[1
]}

Scagliotti, C. ^{[1
]}

Vignoli, C. ^{[1
]}

机构：

[1] Univ Pavia, DFNT, I-27100 Pavia, Italy

来源：

NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT | 2007年 / 572卷 / 01期

关键词：

photodetectors; gas avalanche multiplication; cryogenic detectors; liquid argon TPC;

D O I：

10.1016/j.nima.2006.10.207

中图分类号：

TH7 [仪器、仪表];

学科分类号：

0804 ; 080401 ; 081102 ;

摘要：

We are developing a photodetector sensitive to liquid noble gas scintillation light which is able to operate down to liquid nitrogen temperature (77K). It has to be able to produce fast signals for timing and triggering purposes in multi-kiloton liquid argon time projection chambers. We studied the possibility to couple a standard photocathode to a suitable electron multiplication system in gas. In the first part of the programme the gas avalanche multiplication at cryogenic temperature and low pressure was studied. The second part of the programme foresees the production of a photocathode able to operate at low temperature. A complete detector prototype is going to be set up. It will consist of a simple CsSb photocathode and a multiplication stage made of 100 mu m stainless steel wires. We present the results of the evaluation of the gain attainable with different gas mixtures. (c) 2006 Published by Elsevier B.V.

引用

页码：444 / 445

页数：2

共 3 条

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