Development Of Depleted Monolithic Active Pixel Sensors For High Rate And High Radiation Experiments At Hl Lhc
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Development Of Depleted Monolithic Active Pixel Sensors For High Rate And High Radiation Experiments At Hl Lhc
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Author : Toko Hirono
language : en
Publisher:
Release Date : 2019
Development Of Depleted Monolithic Active Pixel Sensors For High Rate And High Radiation Experiments At Hl Lhc written by Toko Hirono and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.
Proceedings Of International Conference On Technology And Instrumentation In Particle Physics 2017
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Author : Zhen-An Liu
language : en
Publisher: Springer
Release Date : 2018-08-07
Proceedings Of International Conference On Technology And Instrumentation In Particle Physics 2017 written by Zhen-An Liu and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-08-07 with Technology & Engineering categories.
These two volumes present the proceedings of the International Conference on Technology and Instrumentation in Particle Physics 2017 (TIPP2017), which was held in Beijing, China from 22 to 26 May 2017. Gathering selected articles on the basis of their quality and originality, it highlights the latest developments and research trends in detectors and instrumentation for all branches of particle physics, particle astrophysics and closely related fields. This is the second volume, and focuses on the main themes Astrophysics and space instrumentation, Front-end electronics and fast data transmission, Trigger and data acquisition systems, Machine detectors, Interfaces and beam instrumentation, Backend readout structures and embedded systems, Medical imaging, and Security & other applications. The TIPP2017 is the fourth in a series of international conferences on detectors and instrumentation, held under the auspices of the International Union of Pure and Applied Physics (IUPAP). The event brings together experts from the scientific and industrial communities to discuss their current efforts and plan for the future. The conference’s aim is to provide a stimulating atmosphere for scientists and engineers from around the world.
Future Of The Large Hadron Collider The A Super Accelerator With Multiple Possible Lives
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Author : Oliver Bruning
language : en
Publisher: World Scientific
Release Date : 2023-08-08
Future Of The Large Hadron Collider The A Super Accelerator With Multiple Possible Lives written by Oliver Bruning and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023-08-08 with Science categories.
The Large Hadron Collider (LHC) is the highest energy collider ever built. It resides near Geneva in a tunnel 3.8m wide, with a circumference of 26.7km, which was excavated in 1983-1988 to initially house the electron-positron collider LEP. The LHC was approved in 1995, and it took until 2010 for reliable operation. By now, a larger set of larger integrated luminosities have been accumulated for physics analyses in the four collider experiments: ATLAS, CMS, LHCb and ALICE.The LHC operates with an extended cryogenic plant, using a multi-stage injection system comprising the PS and SPS accelerators (still in use for particle physics experiments at lower energies). The beams are guided by 1232 superconducting high field dipole magnets.Intense works are underway in preparation of the High Luminosity LHC, aimed at upgrading the LHC and detectors for collecting ten times more luminosity, and extending the collider life to the early 2040's. So far, the (HL-)LHC project represents a cumulation of around one hundred thousand person-years of innovative work by technicians, engineers, and physicists from all over the world; probably the largest scientific effort ever in the history of humanity. The book is driven by the realisation of the unique value of this accelerator complex and by the recognition of the status of high energy physics, described by a Standard Model — which still leaves too many questions unanswered to be the appropriate theory of elementary particles and their interactions.Following the Introduction are: three chapters which focus on the initial decade of operation, leading to the celebrated discovery of the Higgs Boson, on the techniques and physics of the luminosity upgrade, and finally on major options - of using the LHC in a concurrent, power economic, electron-hadron scattering mode, when upgraded to higher energies or eventually as an injector for the next big machine. The various technical and physics chapters, provided by 61 authors, characterise the fascinating opportunities the LHC offers for the next two decades ahead (possibly longer), with the goal to substantially advance our understanding of nature.
Design And Characterization In Depleted Cmos Technology For Particle Physics Pixel Detector
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Author : Siddharth Bhat
language : en
Publisher:
Release Date : 2019
Design And Characterization In Depleted Cmos Technology For Particle Physics Pixel Detector written by Siddharth Bhat and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.
The ATLAS experiment will start operating at the High Luminosity LHC accelerator (HL-LHC) in 2026 to increase the probability of new discoveries. Depleted CMOS monolithic pixel detector technology has been one of the options considered for the outer layer of an upgraded ATLAS pixel detector and is a high potential technology for future pixel detectors. In this thesis, several prototypes have been developed using different depleted CMOS technologies, for instance, LFoundry (LF) 150 nm, TowerJazz (TJ) 180 nm and austriamicrosystems AG (AMS) 180 nm. In a high-energy environment like HL-LHC, Single Event Upsets (SEU), which become of concern for reliable circuit operation. Several test-chips in AMS, TowerJazz and LFoundry technologies with different SEU tolerant structures have been prototyped and tested. The SEU tolerant structures were designed with appropriate electronics simulations using Computer Aided Design (CAD) tools in order to study the sensitivity of injected charge to upset a memory state. An alternative powering scheme named Serial Powering scheme is foreseen for the future Inner Tracker (ITk) detector of the ATLAS experiment. To meet the requirements ofthe ATLAS experiment to the environment of a pixelated layer in a high radiation collider environment, new developments with depleted CMOS sensors have been made in Shunt-LDO regulator and sensor biasing which are designed in modified TowerJazz 180 nm CMOS imaging technology. In the TowerJazz modified process, two different voltage levels are used for the purpose of sensor depletion. The bias voltages are generated by using a negative charge pump circuit.
Depleted Cmos Sensor Development For Pixel Particle Detectors Under High Intensity And High Radiative Dose
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Author : Zongde Chen
language : en
Publisher:
Release Date : 2019
Depleted Cmos Sensor Development For Pixel Particle Detectors Under High Intensity And High Radiative Dose written by Zongde Chen and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.
The Inner Tracker (ITk) system of the ATLAS experiment will be upgraded for the 2026 High Luminosity Large Hadron Collider (HL-LHC) run. The HL-LHC will operate with a center of mass energy of 14 TeV and a peak instantaneous luminosity five times higher than at present. The increased luminosity will result in roughly ten times higher radiation levels and data rates. To cope with the ATLAS requirements in terms of radiation hardness, readout speed and granularity at the HL-LHC, the replacement of the present ATLAS Inner Tracker (ITk) is needed. Two large-scale depleted CMOS sensors in the 150 nm LF-technology called LF-CPIX and LF-MONOPIX, developed in the framework of the ATLAS Inner Tracker (ITK) upgrade for High Luminosity LHC. The work presented here shows the characterization for these three prototypes, with contributions concerning the setup development, 55Fe and 90Sr source calibration, modifications of the FPGA firmware and development of test programs. A main concern was the investigation on the radiation hardness for both the electronics and the sensor parts. We will show results concerning characterizations for these prototypes in the laboratory performance at CPPM, as well as results in multiple radiation campaigns performed at the 24 GeV IRRAD proton facility at CERN, to study the effects of Non-Ionizing Energy Loss (NIEL) and Total Ionizing Dose (TID) on the prototypes.
Characterization Of A Monolithic Pixel Sensor Prototype In Hv Cmos Technology For The High Luminosity Lhc
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Author : Adrian Herkert
language : en
Publisher:
Release Date : 2020
Characterization Of A Monolithic Pixel Sensor Prototype In Hv Cmos Technology For The High Luminosity Lhc written by Adrian Herkert 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.
The Large Hadron Collider (LHC) is planned to undergo a major upgrade, called the High-Luminosity LHC (HL-LHC), to fully exploit its physics potential until the end of its operation with an instantaneous luminosity of 5 to 7.5 times the design value (1*10^34 cm^(-2)s^(-1)). Consequently, the LHC experiments have to be upgraded as well (Phase-II upgrade) to be able to cope with the resulting increase in pile-up, data rates, and radiation doses. Therefore, the tracking detector of the ATLAS experiment, the Inner Detector, will be fully replaced by a new all-silicon tracking detector, the Inner Tracker (ITk). While it has been decided that only the baseline design of the pixel part of the ITk will be pursued, which foresees the use of hybrid pixel detectors, it has been worthwhile to study monolithic pixel sensor options as well, whose production is comparatively cost-efficient. Monolithic pixel sensors have recently made their way into particle physics experiments and they were considered as an alternative sensor option for the outermost pixel layer of the ITk. Within the scope of this thesis, a high voltage monolithic active pixel sensor (HV-MAPS) prototype, called ATLASPix_Simple, was characterized and studied regarding its suitability for the use in the ITk.
High Frequency Ic Design Of A Command Encoder For Enhanced Particle Detection In Monolithic Active Pixel Sensors At Atlas Cern
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Author : Sebastian Haberl
language : en
Publisher:
Release Date : 2023
High Frequency Ic Design Of A Command Encoder For Enhanced Particle Detection In Monolithic Active Pixel Sensors At Atlas Cern written by Sebastian Haberl and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2023 with categories.
Das ATLAS Experiment ist eines von vier großen Experimenten am LHC. Der LHC ist der größte Teilchenbeschleuniger am CERN, dem europäischen Kernforschungszentrum. Bei den Experimenten im LHC kollidieren zwei Teilchen-Strahlen mit Geschwindigkeiten nahe der Lichtgeschwindigkeit. Eine Kollision wird dabei als Event bezeichnet. Um ein möglichst umfassendes Bild von diesen Events zu bekommen und von den Teilchen, die dabei entstehen, ist der ATLAS Detektor in mehreren Schichten aufgebaut. Die innersten Schichten sind mit Pixel Sensoren ausgekleidet. Da diese am nächsten zum Kollisionspunkt sind, ist der Schaden durch radioaktive Strahlung bei diesen Modulen am höchsten. Da die Strahlung mit dem kommenden Upgrade des LHC, dem HL-LHC, zunimmt, müssen auch die verwendeten Module widerstandsfähiger gegenüber Strahlung werden. Neben der höheren Strahlung wird auch die Eventrate steigen, was ein schnelleres Auslesen der Pixel-Module erfordert. Zusätzlich steigt auch die geforderte Auflösung für die einzelnen Experimente. Zu diesem Zweck wird eine neue Schicht der Pixel Detektoren eingebaut. Da mit größerem Radius auch die auszukleidende Fläche steigt, werden sehr viele Module benötigt. Um die Kosten gering zu halten wird ein Standard-CMOS-Prozess bevorzugt. Diese Prozesse sind weit verbreitet, können in großer Stückzahl und relativ kostengünstig gefertigt werden. Das jüngste Projekt um einen Pixel Detektor in einem dieser Prozesse umzusetzen, ist der MiniMALTA3 Chip. Diese Arbeit präsentiert ein digitales Modul, welches in diesem Chip verwendet wird. Dieses Modul heißt Fast Command Encoder und wird verwendet um andere Module in deren Ausgangszustand zurückzusetzen. Neben dem Zurücksetzen wird dieser Block auch verwendet um den Threshold der aktiven Pixel über TS-Scans einzustellen. Da dieser Thresehold von vielen Parametern abhängt, welche alle individuell untersucht werden müssen, sind viele TS-Scans notwendig. Um die Gesamtdauer der Adjustierung gering zu halten, muss die Zeit eines einzelnen TS-Scans reduziert werden. Der Fast Command Encoder wird durch ein 320 MHz Signal getaktet, was bedeutet, dass TS-Scans mehr als 32 schneller ausgeführt werden können als in den vorherigen Generationen. Das digitale Design für dieses Modul wird zusammen mit den Parametern für die Synthese vorgestellt. Die einzelnen Schritte werden durch Simulation verifiziert und die gewünschte Funktionsweise sichergestellt.
Development Of Pixel Detector For Atlas Inner Tracker Itk Upgrade At Hl Lhc And Searching For The Standard Model Higgs Boson Decay Into B Quark Pair With Atlas Experiment
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Author : Tasneem Saleem
language : en
Publisher:
Release Date : 2019
Development Of Pixel Detector For Atlas Inner Tracker Itk Upgrade At Hl Lhc And Searching For The Standard Model Higgs Boson Decay Into B Quark Pair With Atlas Experiment written by Tasneem Saleem and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019 with categories.
ATLAS is one of the two main experiments at LHC with the purpose of investigating the microscopic properties of matter to address the most fundamental questions of particle physics. After the achievements of the first years of running, the potential reach for new discoveries and precise measurements at LHC is being extended by pushing further the energy and luminosity frontiers through three upgrades of the accelerator culminating in the High Luminosity LHC (HL-LHC). To fully profit from the increased luminosity, two main upgrades of the ATLAS inner detector are planned. The first upgrade was already completed at the beginning of 2015 with the insertion of the IBL, a fourth pixel layer located at just 3.2 cm from the beam line. In the second major upgrade, foreseen for 2024, the full inner detector will be replaced by a completely new inner tracker fully made of silicon devices to cope with the high particle density and the harsh radiation environment at the HL-LHC, which during its operational period will deliver 3000 fb-1, almost ten times the integrated luminosity of the full LHC program. This thesis addresses the study of new n+-in-p active edge pixel detectors by developing two novel doping profile analysis methods to study the radiation damage effects on the pixel detectors performance. These methods are the 3D sims imaging method and the TLM Method. TCAD simulation has been used to simulate the doping profiles, the electrical behavior and the radiation damage. Validating the simulation models with data have been done. Moreover, clean-room characterization, as well as testbeam measurement have been performed to test the different detector designs. In the second part of the thesis, I discuss the observation of the standard model Higgs boson bb decay mode using the data collected by ATLAS during the LHC Run2 at center-of-mass energy 13 TeV and an integrated luminosity 79.8 fb−1 of a proton-proton collision. I contributed specifically to the search of the standard model Higgs boson in VH(bb) production mode. In the VH(bb) analysis we don't have any channel that considers the tau leptons in the final state. I have performed a feasibility study to verify the gain of using the taus in the analysis. In addition, for the VH(bb) analysis I have worked on the multi-jet background estimation in the 1-lepton channel using the dijet-mass analysis method.
Development Of Radiation Hard Pixel Modules Employing Planar N In P Silicon Sensors With Active Edges For The Atlas Detector At Hl Lhc
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Author :
language : en
Publisher:
Release Date : 2015
Development Of Radiation Hard Pixel Modules Employing Planar N In P Silicon Sensors With Active Edges For The Atlas Detector At Hl Lhc written by 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 Pixel Module Assembly Processes For The Phase 2 Upgrade Of The Atlas Detector And Test Beam Measurements With Diamond Pixel Detectors
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Author : Helge Christoph Beck
language : en
Publisher:
Release Date : 2020
Development Of Pixel Module Assembly Processes For The Phase 2 Upgrade Of The Atlas Detector And Test Beam Measurements With Diamond Pixel Detectors written by Helge Christoph Beck 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.