Testbeam Measurements With Pixel Sensors For The Atlas Insertable B Layer Project
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Testbeam Measurements With Pixel Sensors For The Atlas Insertable B Layer Project
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Author :
language : en
Publisher:
Release Date : 2014
Testbeam Measurements With Pixel Sensors For The Atlas Insertable B Layer Project 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.
During the current long machine shutdown of the Large Hadron Collider (LHC) at CERN (Geneva), the innermost part of the ATLAS experiment, the pixel detector, is upgraded. The existing ATLAS pixel system is equipped with silicon sensors, organized in three barrel layers and three end cap disks on either side. To cope with the higher instantaneous luminosity in the future and for compensation of radiation damages due to past and near future running time of the experiment, a new fourth pixel detector layer is inserted into the existing system. This additional pixel layer is called ...
Astroparticle Particle Space Physics And Detectors For Physics Applications Proceedings Of The 13th Icatpp Conference
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Author : Randal C Ruchti
language : en
Publisher: World Scientific
Release Date : 2012-08-02
Astroparticle Particle Space Physics And Detectors For Physics Applications Proceedings Of The 13th Icatpp Conference written by Randal C Ruchti and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012-08-02 with Science categories.
The exploration of the subnuclear world is done through increasingly complex experiments covering a wide range of energy and performed in a large variety of environments ranging from particle accelerators, underground detectors to satellites and the space laboratory. Among recent advances one has to indicate, for instance, first results obtained from space and LHC experiments and progress done in preparation of the latter experiments upgrades, including plans for the LHC machine upgrade. The achievement of these research programs calls for novel techniques, new materials and instrumentation to be used in detectors, often of large scale. Therefore, fundamental physics is at the forefront of technological advance and also leads to many applications. Among these, medical applications have a particular importance due to health and social benefits they bring to the public.
Test Beam Results Of 3d Silicon Pixel Sensors For The Atlas Upgrade
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Author :
language : en
Publisher:
Release Date : 2011
Test Beam Results Of 3d Silicon Pixel Sensors For The Atlas 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 2011 with categories.
Results on beam tests of 3D silicon pixel sensors aimed at the ATLAS Insertable-B-Layer and High Luminosity LHC (HL-LHC) upgrades are presented. Measurements include charge collection, tracking efficiency and charge sharing between pixel cells, as a function of track incident angle, and were performed with and without a 1.6 T magnetic field oriented as the ATLAS Inner Detector solenoid field. Sensors were bump bonded to the front-end chip currently used in the ATLAS pixel detector. Full 3D sensors, with electrodes penetrating through the entire wafer thickness and active edge, and double-sided 3D sensors with partially overlapping bias and read-out electrodes were tested and showed comparable performance. Full and partial 3D pixel detectors have been tested, with and without a 1.6T magnetic field, in high energy pion beams at the CERN SPS North Area in 2009. Sensors characteristics have been measured as a function of the beam incident angle and compared to a regular planar pixel device. Overall full and partial 3D devices have similar behavior. Magnetic field has no sizeable effect on 3D performances. Due to electrode inefficiency 3D devices exhibit some loss of tracking efficiency for normal incident tracks but recover full efficiency with tilted tracks. As expected due to the electric field configuration 3D sensors have little charge sharing between cells.
Development And Operation Of A Testbeam Setup For Qualification Studies Of Atlas Pixel Sensors
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Author : Georg Troska
language : en
Publisher:
Release Date : 2012
Development And Operation Of A Testbeam Setup For Qualification Studies Of Atlas Pixel Sensors written by Georg Troska and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.
Development And Operation Of A Testbeam Setup For Qualification Studies Of Atlas Pixel Sensors
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Author :
language : en
Publisher:
Release Date : 2012
Development And Operation Of A Testbeam Setup For Qualification Studies Of Atlas Pixel Sensors written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.
Tude Des D Tecteurs Planaires Pixels Durcis Aux Radiations Pour La Mise Jour Du D Tecteur De Vertex D Atlas
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Author : Mathieu Benoit
language : en
Publisher:
Release Date : 2011
Tude Des D Tecteurs Planaires Pixels Durcis Aux Radiations Pour La Mise Jour Du D Tecteur De Vertex D Atlas written by Mathieu Benoit and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2011 with categories.
In this work, is presented a study, using TCAD simulation, of the possible methods of designing of a planar pixel sensors by reducing their inactive area and improving their radiation hardness for use in the Insertable B-Layer (IBL) project and for SLHC upgrade phase for the ATLAS experiment. Different physical models available have been studied to develop a coherent model of radiation damage in silicon that can be used to predict silicon pixel sensor behavior after exposure to radiation. The Multi-Guard Ring Structure,a protection structure used in pixel sensor design was studied to obtain guidelines for the reduction of inactive edges detrimental to detector operation while keeping a good sensor behavior through its lifetime in the ATLAS detector. A campaign of measurement of the sensor's process parameters and electrical behavior to validate and calibrate the TCAD simulation models and results are also presented. A model for diode charge collection in highly irradiated environment was developed to explain the high charge collection observed in highly irradiated devices. A simple planar pixel sensor digitization model to be used in test beam and full detector system is detailed. It allows for easy comparison between experimental data and prediction by the various radiation damage models available. The digitizer has been validated using test beam data for unirradiated sensors and can be used to produce the first full scale simulation of the ATLAS detector with the IBL that include sensor effects such as slim edge and thinning of the sensor.
Test Beam Measurements For The Upgrade Of The Cms Pixel Detector And Measurement Of The Top Quark Mass From Differential Cross Sections
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Author : Simon Spannagel
language : en
Publisher:
Release Date : 2015
Test Beam Measurements For The Upgrade Of The Cms Pixel Detector And Measurement Of The Top Quark Mass From Differential Cross Sections written by Simon Spannagel and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with categories.
Development Of The Readout For The Ibl Upgrade Project Of The Atlas Pixel Detector
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Author :
language : en
Publisher:
Release Date : 2012
Development Of The Readout For The Ibl Upgrade Project Of The Atlas Pixel Detector written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2012 with categories.
The LHC luminosity is upgraded in several phases until 2022. The resulting higher occupancy degrades the detector performance of the current Pixel Detector. To provide a good performance during the LHC luminosity upgrade, a fourth pixel layer is inserted into the existing ATLAS Pixel Detector. A new FE-I4 readout chip and a new data acquisition chain are required to cope with the higher track rate and the resulting increased bandwidth. Among others, this includes a new readout board: the IBL ROD. One component of this board is the DSP which creates commands for the FE-I4 chip and has to be ...
Vertex Measurement At A Hadron Collider
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Author : Jörn Große-Knetter
language : en
Publisher:
Release Date : 2008
Vertex Measurement At A Hadron Collider written by Jörn Große-Knetter and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with categories.