A double-sided silicon micro-strip Super-Module for the ATLAS Inner Detector upgrade in the High-Luminosity LHC

A double-sided silicon micro-strip Super-Module for the ATLAS Inner Detector upgrade in the High-Luminosity LHC
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用于高亮度 LHC 中 ATLAS 内部探测器升级的双面硅微带超级模块

DOI:
10.1088/1748-0221/9/02/p02003
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发表时间:
2014
影响因子:
1.3
通讯作者:
Gonzalez-Sevilla S
Gonzalez-Sevilla S
中科院分区:
工程技术4区
文献类型:
--
作者:
Gonzalez-Sevilla S

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ATLAS实验是一个通用探测器,旨在充分利用欧洲核子研究中心大型强子对撞机(LHC)的发现潜力。可以预见,经过几年成功的数据采集,LHC物理项目将扩展到所谓的高亮度LHC,其中瞬时亮度将增加到5× 10 34 cm−2 s−1。对于ATLAS来说,升级方案将意味着完全更换其内部跟踪器,因为由于累积的辐射损伤和探测器占用率的增加,现有探测器将无法提供所需的性能。目前新的ATLAS跟踪器的基线布局是一个全硅基探测器,内层有像素传感器,中间和外半径有硅微带探测器。超级模块是为未来ATLAS跟踪器的条形区域提出的集成概念,双面立体硅微带模块组装成低质量的局部支撑结构。构建了一个由8个双面条形模块组成的电学超级模块原型。目的是练习多模块读出链,并研究这种系统的噪声性能。本文介绍了现有超级模块样机的主要组成部分,并详细介绍了其电气性能。
The ATLAS experiment is a general purpose detector aiming to fully exploit the discovery potential of the Large Hadron Collider (LHC) at CERN. It is foreseen that after several years of successful data-taking, the LHC physics programme will be extended in the so-called High-Luminosity LHC, where the instantaneous luminosity will be increased up to 5× 10 34 cm− 2 s− 1. For ATLAS, an upgrade scenario will imply the complete replacement of its internal tracker, as the existing detector will not provide the required performance due to the cumulated radiation damage and the increase in the detector occupancy. The current baseline layout for the new ATLAS tracker is an all-silicon-based detector, with pixel sensors in the inner layers and silicon micro-strip detectors at intermediate and outer radii. The super-module is an integration concept proposed for the strip region of the future ATLAS tracker, where double-sided stereo silicon micro-strip modules are assembled into a low-mass local support structure. An electrical super-module prototype for eight double-sided strip modules has been constructed. The aim is to exercise the multi-module readout chain and to investigate the noise performance of such a system. In this paper, the main components of the current super-module prototype are described and its electrical performance is presented in detail.
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