Performance Of The Cms Missing Transverse Momentum Reconstruction In Pp Data At Sqrt S
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Performance Of The Cms Missing Transverse Momentum Reconstruction In Pp Data At Sqrt S
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Author :
language : en
Publisher:
Release Date : 2015
Performance Of The Cms Missing Transverse Momentum Reconstruction In Pp Data At Sqrt S 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.
The performance of missing transverse energy reconstruction algorithms is presented by our team using√s=8 TeV proton-proton (pp) data collected with the CMS detector. Events with anomalous missing transverse energy are studied, and the performance of algorithms used to identify and remove these events is presented. The scale and resolution for missing transverse energy, including the effects of multiple pp interactions (pileup), are measured using events with an identified Z boson or isolated photon, and are found to be well described by the simulation. Novel missing transverse energy reconstruction algorithms developed specifically to mitigate the effects of large numbers of pileup interactions on the missing transverse energy resolution are presented. These algorithms significantly reduce the dependence of the missing transverse energy resolution on pileup interactions. Furthermore, an algorithm that provides an estimate of the significance of the missing transverse energy is presented, which is used to estimate the compatibility of the reconstructed missing transverse energy with a zero nominal value.
Heavy Neutral Particle Decays To Tau Pairs
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Author : Michail Bachtis
language : en
Publisher: Springer Science & Business Media
Release Date : 2013-12-13
Heavy Neutral Particle Decays To Tau Pairs written by Michail Bachtis 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 2013-12-13 with Science categories.
The work presented in this thesis spans a wide range of experimental particle physics subjects, starting from level-1 trigger electronics to the final results of the search for Higgs boson decay and to tau lepton pairs. The thesis describes an innovative reconstruction algorithm for tau decays and details how it was instrumental in providing a measurement of Z decay to tau lepton pairs. The reliability of the analysis is fully established by this measurement before the Higgs boson decay to tau lepton pairs is considered. The work described here continues to serve as a model for analysing CMS Higgs to tau leptons measurements.
The Higgs Hunter S Guide
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Author : John F. Gunion
language : en
Publisher: CRC Press
Release Date : 2018-03-05
The Higgs Hunter S Guide written by John F. Gunion and has been published by CRC Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2018-03-05 with Science categories.
The Higgs Hunter's Guide is a definitive and comprehensive guide to the physics of Higgs bosons. In particular, it discusses the extended Higgs sectors required by those recent theoretical approaches that go beyond the Standard Model, including supersymmetry and superstring-inspired models.
The Anomalous Magnetic Moment Of The Muon
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Author : Fred Jegerlehner
language : en
Publisher: Springer Science & Business Media
Release Date : 2008
The Anomalous Magnetic Moment Of The Muon written by Fred Jegerlehner 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 2008 with Science categories.
This book reviews the present state of knowledge of the anomalous magnetic moment a=(g-2)/2 of the muon. The muon anomalous magnetic moment is one of the most precisely measured quantities in elementary particle physics and provides one of the most stringent tests of relativistic quantum field theory as a fundamental theoretical framework. It allows for an extremely precise check of the standard model of elementary particles and of its limitations.
Particle Detectors
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Author : Hermann Kolanoski
language : en
Publisher:
Release Date : 2020
Particle Detectors written by Hermann Kolanoski and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2020 with Science categories.
Introduction -- Overview, history and concepts -- Interactions of particles with matter -- Movement of charge carriers in electric and magnetic fields -- Signal formation by moving charges -- Non-electronic detectors -- Gas-filled detectors -- Semiconductor detectors -- Track reconstruction and momentum measurement -- Photodetectors -- Cherenkov detectors -- Transition radiation detectors -- Scintillation detectors -- Particle identification -- Calorimeters -- Detectors for cosmic particles, neutrinos and exotic matter -- Signal processing, readout and noise -- Trigger and data acquisition systems -- Appendix A Dosimetry and radioactive sources -- Appendix B Weighting potential of segmented electrodes -- Appendix C Diffusion effects in drift chambers -- Appendix D Ionisation statistics in drift chambers -- Appendix E Position resolution of structured electrodes -- Appendix F Fitting of track models -- Appendix G LPM effect -- Appendix H Laplace transform -- Appendix I Physical noise sources -- Bibliography -- Abbreviations -- Index.
The Large Hadron Collider
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Author : Lyndon R. Evans
language : en
Publisher: EPFL Press
Release Date : 2009-01-01
The Large Hadron Collider written by Lyndon R. Evans and has been published by EPFL Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2009-01-01 with Hadron colliders categories.
Describes the technology and engineering of the Large Hadron collider (LHC), one of the greatest scientific marvels of this young 21st century. This book traces the feat of its construction, written by the head scientists involved, placed into the context of the scientific goals and principles.
Looking Inside Jets
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Author : Simone Marzani
language : en
Publisher: Springer
Release Date : 2019-05-11
Looking Inside Jets written by Simone Marzani and has been published by Springer this book supported file pdf, txt, epub, kindle and other format this book has been release on 2019-05-11 with Science categories.
This concise primer reviews the latest developments in the field of jets. Jets are collinear sprays of hadrons produced in very high-energy collisions, e.g. at the LHC or at a future hadron collider. They are essential to and ubiquitous in experimental analyses, making their study crucial. At present LHC energies and beyond, massive particles around the electroweak scale are frequently produced with transverse momenta that are much larger than their mass, i.e., boosted. The decay products of such boosted massive objects tend to occupy only a relatively small and confined area of the detector and are observed as a single jet. Jets hence arise from many different sources and it is important to be able to distinguish the rare events with boosted resonances from the large backgrounds originating from Quantum Chromodynamics (QCD). This requires familiarity with the internal properties of jets, such as their different radiation patterns, a field broadly known as jet substructure. This set of notes begins by providing a phenomenological motivation, explaining why the study of jets and their substructure is of particular importance for the current and future program of the LHC, followed by a brief but insightful introduction to QCD and to hadron-collider phenomenology. The next section introduces jets as complex objects constructed from a sequential recombination algorithm. In this context some experimental aspects are also reviewed. Since jet substructure calculations are multi-scale problems that call for all-order treatments (resummations), the bases of such calculations are discussed for simple jet quantities. With these QCD and jet physics ingredients in hand, readers can then dig into jet substructure itself. Accordingly, these notes first highlight the main concepts behind substructure techniques and introduce a list of the main jet substructure tools that have been used over the past decade. Analytic calculations are then provided for several families of tools, the goal being to identify their key characteristics. In closing, the book provides an overview of LHC searches and measurements where jet substructure techniques are used, reviews the main take-home messages, and outlines future perspectives.
Semiconductor Detector Systems
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Author : Helmuth Spieler
language : en
Publisher: OUP Oxford
Release Date : 2005-08-25
Semiconductor Detector Systems written by Helmuth Spieler and has been published by OUP Oxford this book supported file pdf, txt, epub, kindle and other format this book has been release on 2005-08-25 with Technology & Engineering categories.
Semiconductor sensors patterned at the micron scale combined with custom-designed integrated circuits have revolutionized semiconductor radiation detector systems. Designs covering many square meters with millions of signal channels are now commonplace in high-energy physics and the technology is finding its way into many other fields, ranging from astrophysics to experiments at synchrotron light sources and medical imaging. This book is the first to present a comprehensive discussion of the many facets of highly integrated semiconductor detector systems, covering sensors, signal processing, transistors and circuits, low-noise electronics, and radiation effects. The diversity of design approaches is illustrated in a chapter describing systems in high-energy physics, astronomy, and astrophysics. Finally a chapter "Why things don't work" discusses common pitfalls. Profusely illustrated, this book provides a unique reference in a key area of modern science.
Heavy Quark Physics
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Author : Aneesh V. Manohar
language : en
Publisher: Cambridge University Press
Release Date : 2000-03-28
Heavy Quark Physics written by Aneesh V. Manohar and has been published by Cambridge University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2000-03-28 with Science categories.
A clear and original introductory 2000 text on the physics of heavy quarks, written by two world leading experts.
Nuclear And Particle Physics
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Author : C. Amsler
language : en
Publisher:
Release Date : 2015
Nuclear And Particle Physics written by C. Amsler and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2015 with Nuclear physics categories.
This book provides an introductory course on Nuclear and Particle physics for undergraduate and early-graduate students, which the author has taught for several years at the University of Zurich. It contains fundamentals on both nuclear physics and particle physics. Emphasis is given to the discovery and history of developments in the field, and is experimentally/phenomenologically oriented. It contains detailed derivations of formulae such as 2- 3 body phase space, the Weinberg-Salam model, and neutrino scattering. Originally published in German as 'Kern- und Teilchenphysik', several sections have been added to this new English version to cover very modern topics, including updates on neutrinos, the Higgs boson, the top quark and bottom quark physics. - Prové de l'editor.