THGEM: A fast growing MPGD technology

IF 5.9 2区 物理与天体物理 Q1 PHYSICS, MULTIDISCIPLINARY
F. Tessarotto
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引用次数: 0

Abstract

— Thick-GEMs (THGEMs) are simple and robust gaseous multipliers, derived from the GEM design and proposed for large-scale applications. Classical THGEMs consist of Printed Circuit Boards (PCBs) with a regular pattern of holes obtained by drilling; they are manufactured by industry in large series and large size; their response for different geometrical parameters and operational conditions has been extensively studied. Different substrates (ceramic, glass, PTFE, etc.) and various production procedures have also been investigated with promising results. Different design options, like highly segmented electrodes, and different architectures, in particular those based on the Thick-WELL design are being actively studied. THGEMs are used as gaseous multipliers and as reflective photocathodes for VUV photons when coated with a CsI layer. THGEM-based Photon Detectors have been successfully implemented in 2016 on COMPASS RICH-1 for a total active area of 1.4 m. Applications of THGEM (also called LEM) technology in the field of cryogenic detectors, in particular for double-phase large volume Ar ones are proposed. The recently discovered phenomenon of bubble assisted electro-luminescence in liquid Xe opens the way to local dual phase cryogenic detector configurations when using THGEMs. The detection of X-rays and neutrons using THGEM-based devices is a very active field. Promising results have been obtained using THGEMs for imaging applications.
THGEM:快速发展的MPGD技术
- Thick-GEMs (THGEMs)是简单而坚固的气体倍增器,源自GEM设计并提出用于大规模应用。经典的THGEMs由印刷电路板(pcb)组成,通过钻孔获得规则的孔模式;它们是由工业生产的大系列、大尺寸;它们在不同几何参数和工作条件下的响应被广泛研究。不同的基材(陶瓷、玻璃、聚四氟乙烯等)和各种生产工艺也进行了研究,并取得了可喜的结果。不同的设计方案,如高度分段电极和不同的架构,特别是基于Thick-WELL设计的设计方案正在积极研究中。当涂上一层CsI层时,THGEMs被用作气体倍增器和VUV光子的反射光电阴极。基于thgem的光子探测器已于2016年在COMPASS RICH-1上成功实现,总有效面积为1.4 m。提出了THGEM(又称LEM)技术在低温探测器领域,特别是双相大体积氩探测器领域的应用。最近在液态Xe中发现的气泡辅助电致发光现象,为THGEMs的局部双相低温探测器配置开辟了道路。利用基于thgem的设备探测x射线和中子是一个非常活跃的领域。THGEMs在成像方面的应用已经取得了可喜的结果。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
Rivista Del Nuovo Cimento
Rivista Del Nuovo Cimento 物理-物理:综合
CiteScore
9.50
自引率
2.20%
发文量
11
审稿时长
>12 weeks
期刊介绍: La Rivista del Nuovo Cimento is an international peer-reviewed journal. It publishes monographs in all fields of physics. These monographies aim at presenting the state of the art of topical subjects of relevant interest for the community. Usually, authors are invited and topics suggested by the Deputy Editors-in-Chief, but also spontaneous submissions are examined.
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