Architecture Of A Level 1 Track Trigger For The Cms Experiment
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Architecture Of A Level 1 Track Trigger For The Cms Experiment
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Author :
language : en
Publisher:
Release Date : 2010
Architecture Of A Level 1 Track Trigger For The Cms Experiment written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2010 with categories.
A Hardware Track Trigger For Cms
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Author : Thomas Owen James
language : en
Publisher: Springer Nature
Release Date : 2019-10-28
A Hardware Track Trigger For Cms written by Thomas Owen James and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-10-28 with Science categories.
The work described in this PhD thesis is a study of a real implementation of a track-finder system which could provide reconstructed high transverse momentum tracks to the first-level trigger of the High Luminosity LHC upgrade of the CMS experiment. This is vital for the future success of CMS, since otherwise it will be impossible to achieve the trigger selectivity needed to contain the very high event rates. The unique and extremely challenging requirement of the system is to utilise the enormous volume of tracker data within a few microseconds to arrive at a trigger decision. The track-finder demonstrator described proved unequivocally, using existing hardware, that a real-time track-finder could be built using present-generation FPGA-based technology which would meet the latency and performance requirements of the future tracker. This means that more advanced hardware customised for the new CMS tracker should be even more capable, and will deliver very significant gains for the future physics returns from the LHC.
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 first volume, and focuses on the main themes Gaseous detectors, Semiconductor detectors, Experimental detector systems, Calorimeters, Particle identification, Photon detectors, Dark Matter Detectors and Neutrino Detectors. 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.
Search For The Higgs Boson Produced In Association With Top Quarks With The Cms Detector At The Lhc
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Author : Cristina Martin Perez
language : en
Publisher: Springer Nature
Release Date : 2022-02-09
Search For The Higgs Boson Produced In Association With Top Quarks With The Cms Detector At The Lhc written by Cristina Martin Perez and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2022-02-09 with Science categories.
In this work, the interaction between the Higgs boson and the top quark is studied with the proton-proton collisions at 13 TeV provided by the LHC at the CMS detector at CERN (Geneva). At the LHC, these particles are produced simultaneously via the associate production of the Higgs boson with one top quark (tH process) or two top quarks (ttH process). Compared to many other possible outcomes of the proton-proton interactions, these processes are very rare, as the top quark and the Higgs boson are the heaviest elementary particles known. Hence, identifying them constitutes a significant experimental challenge. A high particle selection efficiency in the CMS detector is therefore crucial. At the core of this selection stands the Level-1 (L1) trigger system, a system that filters collision events to retain only those with potential interest for physics analysis. The selection of hadronically decaying τ leptons, expected from the Higgs boson decays, is especially demanding due to the large background arising from the QCD interactions. The first part of this thesis presents the optimization of the L1 τ algorithm in Run 2 (2016-2018) and Run 3 (2022-2024) of the LHC. It includes the development of a novel trigger concept for the High-Luminosity LHC, foreseen to start in 2027 and to deliver 5 times the current instantaneous luminosity. To this end, sophisticated algorithms based on machine learning approaches are used, facilitated by the increasingly modern technology and powerful computation of the trigger system. The second part of the work presents the search of the tH and ttH processes with the subsequent decays of the Higgs boson to pairs of τ lepton, W bosons or Z bosons, making use of the data recorded during Run 2. The presence of multiple particles in the final state, along with the low cross section of the processes, makes the search an ideal use case for multivariant discriminants that enhance the selectivity of the signals and reject the overwhelming background contributions. The discriminants presented are built using state-of-the-art machine learning techniques, able to capture the correlations amongst the processes involved, as well as the so-called Matrix Element Method (MEM), which combines the theoretical description of the processes with the detector resolution effects. The level of sophistication of the methods used, along with the unprecedented amount of collision data analyzed, result in the most stringent measurements of the tH and ttH cross sections up to date.
Detectors In High Energy Physics Experiments
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Author : Gerald Eigen
language : en
Publisher: Springer Nature
Release Date : 2025-08-05
Detectors In High Energy Physics Experiments written by Gerald Eigen and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2025-08-05 with Science categories.
This open access textbook explores the physics of detectors used in high-energy physics and heavy ion physics experiments. In addition to presenting fundamental principles, physics laws, and working techniques, the author delves into various subdetectors, summarizing their properties. These include gaseous detectors, semiconductor vertex detectors, calorimeters, photodetectors, and complete experimental setups. The aim is to provide students with a comprehensive understanding of state-of-the-art technologies in the field. Intended for master's and early PhD students in physics, the book requires a basic knowledge of mechanics, quantum mechanics, electrodynamics, statistics, and particle physics. Each chapter is enriched with exercises designed to deepen the reader's understanding of the material.
Asia Pacific Physics Conference Proceedings Of The Fifth Conference In 2 Volumes
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Author : A C Chew
language : en
Publisher: World Scientific
Release Date : 1994-04-19
Asia Pacific Physics Conference Proceedings Of The Fifth Conference In 2 Volumes written by A C Chew and has been published by World Scientific this book supported file pdf, txt, epub, kindle and other format this book has been release on 1994-04-19 with categories.
Proceedings Of The Tenth Workshop On Electronics For Lch And Future Experiments
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Author :
language : en
Publisher:
Release Date : 2004
Proceedings Of The Tenth Workshop On Electronics For Lch And Future Experiments written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Automatic data collection systems categories.
Particle Physics Reference Library
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Author : Christian W. Fabjan
language : en
Publisher: Springer Nature
Release Date : 2020-09-01
Particle Physics Reference Library written by Christian W. Fabjan and has been published by Springer Nature this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-09-01 with Science categories.
This second open access volume of the handbook series deals with detectors, large experimental facilities and data handling, both for accelerator and non-accelerator based experiments. It also covers applications in medicine and life sciences. A joint CERN-Springer initiative, the “Particle Physics Reference Library” provides revised and updated contributions based on previously published material in the well-known Landolt-Boernstein series on particle physics, accelerators and detectors (volumes 21A,B1,B2,C), which took stock of the field approximately one decade ago. Central to this new initiative is publication under full open access.
Development Of A New Tracker For The Cms Upgrade Phase 2 And Study Of The Hl Lhc Physics Reach
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Author : Martin Delcourt
language : en
Publisher: Presses universitaires de Louvain
Release Date : 2020-11-26
Development Of A New Tracker For The Cms Upgrade Phase 2 And Study Of The Hl Lhc Physics Reach written by Martin Delcourt and has been published by Presses universitaires de Louvain this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020-11-26 with Science categories.
The standard model of particle physics provides a coherent description of highenergy physics processes and has been hugely successful in providing experimental predictions. Among its long list of achievements, the most significant is arguably that of the discovery of the Higgs boson half a century after being theorised, providing the last cornerstone needed for the standard model to become fully consistent. Despite huge successes, the standard model still suffers from major shortcomings. On the path leading towards a better understanding of particle physics, an in-depth study of the Higgs boson is key. This relentless work of characterising the properties of the Higgs boson is currently being undertaken at the Large Hadron Collider, where high-energy proton collisions are being recorded by dedicated detectors, providing a continuous improvement to the understanding of the standard model. Amid tremendous achievements, some processes, remain too weak to be detected with the current installations. One such measurement is the combined production of two Higgs bosons allowing for a direct handle on the Higgs self-coupling parameter of the standard model. To maximise the physics reach of the collider, it will be subjected to a major upgrade, allowing for a strong increase in luminosity. Such a dramatic change will bring major challenges to the experiments recording these collisions and upgrades are required if they are to maintain their outstanding performance. This thesis explores the upgrade of the CMS silicon strip detector, centred around the in-beam characterisation of detector module prototypes and discusses the physics reach of the upgraded machine, with an emphasis on Higgs boson pair production in the bbWW(l) final state.
Progress In High Energy Physics And Nuclear Safety
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Author : Viktor Begun
language : en
Publisher: Springer Science & Business Media
Release Date : 2009-03-28
Progress In High Energy Physics And Nuclear Safety written by Viktor Begun and has been published by Springer Science & Business Media this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-03-28 with Science categories.
On September 27 – October 3, 2008 the NATO Advanced Research Workshop (ARW) on progress in high-energy physics and nuclear safety was held in Yalta, Crimea (see: http://crimea.bitp.kiev.ua and http://arw.bitp.kiev.ua). Nearly 50 leading experts in high-energy and nuclear physics from Eastern and Western Europe as well as from North America participated at the Workshop. The topics of the ARW covered recent results of theoretical and experimental studies in high-energy physics, accelerator, detection and nuclear technologies, as well as problems of nuclear safety in high-energy experimentation and in nuclear - dustry. The forthcoming experiments at the Large Hadron Collider (LHC) at CERN and cosmic-ray experiments were among the topics of the ARW. An important aspect of the Workshop was the scienti?c collaboration between nuclear physicists from East and West, especially in the ?eld of nuclear safety. The present book contains a selection of invited talks presented at the ARW. The papers are grouped in two parts.