Mechanical Study Of Silicon Strip Detector Modules During Quality Control For The Atlas Phase Ii Detector Upgrade
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Mechanical Study Of Silicon Strip Detector Modules During Quality Control For The Atlas Phase Ii Detector Upgrade
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Author : Gabriel Demontigny
language : en
Publisher:
Release Date : 2020
Mechanical Study Of Silicon Strip Detector Modules During Quality Control For The Atlas Phase Ii Detector Upgrade written by Gabriel Demontigny and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with categories.
Following the great achievement by the ATLAS experiment at the Large Hadron Col- lider (LHC) that is the detection of the long-awaited Higgs boson, an upgrade of the LHC is planned, requiring an upgrade of ATLAS. Planned for the High-Luminosity LHC, the ITk (Inner TracKer), an all-silicon charged particle tracker, is the upgrade of the current ATLAS Inner Detector. Testing of the detector modules comprised in the ITk is crucial because the detector will be inaccessible for approximately 10 years following the installation. In this thesis, the focus will be kept on a subset of the ITk detector, namely the ITk Strip detector. To detect premature failure in the 20 000 Strip modules that will be produced, a series of tests will be performed, one of which will be the thermal cycling, where modules are monitored while being thermally cycled to replicate 10 years of operating conditions. These tests will occur in a special enclosure known as a coldbox. The subject of this work is to study the induced mechanical stress in future ITk Strip detector modules due to thermal cycling using Finite Element Analysis. Our first result is that the stress created in the module is mostly due to the vacuum applied to hold the module. Moreover, the maximum stress felt during thermal cycling is highly dependent on the thickness of the vacuum seal used: A thinner seal causes a lower stress. Finally, the stress in the module in our thermal cycling setup is between ∼ 20 MPa and ∼ 100 MPa depend- ing on the selected seal thickness, which is consistent with the stress expected in the final detector design which is approximately 64.8MPa. We can then conclude that the proposed design for the coldbox is a good candidate to perform thermal cycling.
Cern
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Author :
language : en
Publisher:
Release Date : 2005
Cern written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005 with Nuclear physics categories.
Popular Science
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Author :
language : en
Publisher:
Release Date : 2002-12
Popular Science written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2002-12 with categories.
Popular Science gives our readers the information and tools to improve their technology and their world. The core belief that Popular Science and our readers share: The future is going to be better, and science and technology are the driving forces that will help make it better.
International Aerospace Abstracts
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Author :
language : en
Publisher:
Release Date : 1996
International Aerospace Abstracts written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1996 with Aeronautics categories.
Government Reports Announcements Index
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Author :
language : en
Publisher:
Release Date : 1995
Government Reports Announcements Index written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1995 with Science categories.
Studies On The Influence Of Mechanical Stress On The Properties Of Silicon Sensor Modules For The Atlas Phase Ii Upgrade
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Author : Martin Stegler
language : en
Publisher:
Release Date : 2020
Studies On The Influence Of Mechanical Stress On The Properties Of Silicon Sensor Modules For The Atlas Phase Ii Upgrade written by Martin Stegler and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with categories.
Development Of Electrical Quality Assurance Procedures And Methods For The Silicon Tracking System Of The Cbm Experiment
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Author : Iaroslav Panasenko
language : en
Publisher:
Release Date : 2022
Development Of Electrical Quality Assurance Procedures And Methods For The Silicon Tracking System Of The Cbm Experiment written by Iaroslav Panasenko and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022 with categories.
Position-sensitive silicon detectors have been used in particle physics experiments for more than 40 years. Technological advances have made it possible to build large-area silicon trackers with millions of channels. Double-sided silicon microstrip detectors have been selected as the sensor technology for the Silicon Tracking System (STS) of the Compressed Baryonic Matter (CBM) experiment at the Facility for Antiproton and Ion Research (FAIR). The goal of the CBM experiment is to investigate the properties of strongly interacting matter at high baryon density in relativistic heavy ion collisions. The challenge is to perform measurements at interaction rates of up to 10 MHz. This will give access to extremely rare observables such as multi-strange hyperons or hadrons with charm quarks. Up to 700 particles per collision are expected within detector acceptance. Their tracks and thus their momentum are measured in the STS with high resolution. The STS consists of 876 microstrip sensors with a total area of about 4 m^2. Each sensor has 1024 strips per side, resulting in a total of about 1.8e6 channels. To ensure high-precision measurement, the STS must use high-quality microstrip sensors. The fraction of defective strips should not exceed 1.5% per sensor. The sensors must also meet CBM specifications for the electrical parameters. The work presented in this thesis focuses on the quality assurance of microstrip sensors. For this purpose, a highly automated probe station was designed and built at the University of Tubingen. The methods for determining the electrical characteristics of microstrip sensors were developed. This made it possible to investigate the prototype sensors for STS in detail. The results and challenges are discussed in detail. Suggestions are provided that can help improve sensor design. As a result of the conducted quality assurance, the acceptance criteria for CBM microstrip sensors at the series production stage were defined. The developed quality control methods made it possible to reliably identify defective strips. This allows for the selection of high-quality sensors for the construction of the STS and ensures high data quality during the operation of the CBM experiment.
Electrical Tests Of The Atlas Phase Ii Strip Tracker Upgrade
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Author :
language : en
Publisher:
Release Date : 2014
Electrical Tests Of The Atlas Phase Ii Strip Tracker Upgrade written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.
Electrical Tests Of The Atlas Phase Ii Strip Tracker Upgrade
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Author : Samer Al-Kilani
language : en
Publisher:
Release Date : 2014
Electrical Tests Of The Atlas Phase Ii Strip Tracker Upgrade written by Samer Al-Kilani and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2014 with categories.
Irradiation Studies On N In P Silicon Strip Sensors In The Course Of The Cms Phase 2 Outer Tracker Upgrade
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Author : Marius Metzler
language : en
Publisher:
Release Date : 2020
Irradiation Studies On N In P Silicon Strip Sensors In The Course Of The Cms Phase 2 Outer Tracker Upgrade written by Marius Metzler and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with Detectors categories.