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Download or read book Detection of Jets with Calorimeters at Hadron Colliders written by and published by . This book was released on 1987 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Download or read book Burgverein Eltville e.V. written by and published by . This book was released on 1956 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Caterina Doglioni
Publisher : Springer Science & Business Media
ISBN 13 : 3642305385
Total Pages : 167 pages
Book Rating : 4.6/5 (423 download)
Download or read book Measurement of the Inclusive Jet Cross Section with the ATLAS Detector at the Large Hadron Collider written by Caterina Doglioni and published by Springer Science & Business Media. This book was released on 2012-07-28 with total page 167 pages. Available in PDF, EPUB and Kindle. Book excerpt: Tests of the current understanding of physics at the highest energies achievable in man-made experiments are performed at CERN’s Large Hadron Collider. In the theory of the strong force within the Standard Model of particle physics - Quantum ChromoDynamics or QCD - confined quarks and gluons from the proton-proton scattering manifest themselves as groups of collimated particles. These particles are clustered into physically measurable objects called hadronic jets. As jets are widely produced at hadron colliders, they are the key physics objects for an early "rediscovery of QCD". This thesis presents the first jet measurement from the ATLAS Collaboration at the LHC and confronts the experimental challenges of precision measurements. Inclusive jet cross section data are then used to improve the knowledge of the momentum distribution of quarks and gluons within the proton and of the magnitude of the strong force.
Author : Michele Livan
Publisher : Springer
ISBN 13 : 3030236536
Total Pages : 269 pages
Book Rating : 4.0/5 (32 download)
Download or read book Calorimetry for Collider Physics, an Introduction written by Michele Livan and published by Springer. This book was released on 2019-07-09 with total page 269 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book is exceptional in offering a thorough but accessible introduction to calorimetry that will meet the needs of both students and researchers in the field of particle physics. It is designed to provide the sound knowledge of the basics of calorimetry and of calorimetric techniques and instrumentation that is mandatory for any physicist involved in the design and construction of large experiments or in data analysis. An important feature is the correction of a number of persistent common misconceptions. Among the topics covered are the physics and development of electromagnetic showers, electromagnetic calorimetry, the physics and development of hadron showers, hadron calorimetry, and calibration of a calorimeter. Two chapters are devoted to more promising calorimetric techniques for the next collider. Calorimetry for Collider Physics, an introduction will be of value for all who are seeking a reliable guide to calorimetry that occupies the middle ground between the brief chapter in a generic book on particle detection and the highly complex and lengthy reference book.
Author : Ulrike Schnoor
Publisher :
ISBN 13 :
Total Pages : 192 pages
Book Rating : 4.3/5 (129 download)
Download or read book Jet Reconstruction in W + Jets Events at the LHC written by Ulrike Schnoor and published by . This book was released on 2010 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt:
Author : Lydia Audrey Beresford
Publisher : Springer
ISBN 13 : 331997520X
Total Pages : 175 pages
Book Rating : 4.3/5 (199 download)
Download or read book Searches for Dijet Resonances written by Lydia Audrey Beresford and published by Springer. This book was released on 2018-09-04 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book addresses one of the most intriguing mysteries of our universe: the nature of dark matter. The results presented here mark a significant and substantial contribution to the search for new physics, in particular for new particles that couple to dark matter. The first analysis presented is a search for heavy new particles that decay into pairs of hadronic jets (dijets). This pioneering analysis explores unprecedented dijet invariant masses, reaching nearly 7 TeV, and sets constraints on several important new physics models. The two subsequent analyses focus on the difficult low dijet mass region, down to 200 GeV, and employ a novel technique to efficiently gather low-mass dijet events. The results of these analyses transcend the long-standing constraints on dark matter mediator particles set by several existing experiments.
Author : Martin Erdmann
Publisher : Springer Science & Business Media
ISBN 13 : 3642555241
Total Pages : 533 pages
Book Rating : 4.6/5 (425 download)
Download or read book Hadron Collider Physics 2002 written by Martin Erdmann and published by Springer Science & Business Media. This book was released on 2012-12-06 with total page 533 pages. Available in PDF, EPUB and Kindle. Book excerpt: Hadron colliders probe physics at new energy frontiers and search for new particles and forces. In addition, hadron colliders now provide also an environment for precision physics. The present volume collects the results from recently completed runs at major colliders as well as new ideas about collider physics and techniques. It will serve as the main source of reference in the field for many years to come.
Author : Christian W. Fabjan
Publisher : Springer Nature
ISBN 13 : 3030353184
Total Pages : 1083 pages
Book Rating : 4.0/5 (33 download)
Download or read book Particle Physics Reference Library written by Christian W. Fabjan and published by Springer Nature. This book was released on 2020 with total page 1083 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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
Author : Aaron Angerami
Publisher : Springer Science & Business Media
ISBN 13 : 3319012193
Total Pages : 180 pages
Book Rating : 4.3/5 (19 download)
Download or read book Jet Quenching in Relativistic Heavy Ion Collisions at the LHC written by Aaron Angerami and published by Springer Science & Business Media. This book was released on 2013-12-02 with total page 180 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis presents the first measurements of jets in relativistic heavy ion collisions as reported by the ATLAS Collaboration. These include the first direct observation of jet quenching through the observation of a centrality-dependent dijet asymmetry. Also, a series of jet suppression measurements are presented, which provide quantitative constraints on theoretical models of jet quenching. These results follow a detailed introduction to heavy ion physics with emphasis on the phenomenon of jet quenching and a comprehensive description of the ATLAS detector and its capabilities with regard to performing these measurements.
Author : Aviv Ruben Cukierman
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (115 download)
Download or read book Searches for New Physics Using Jets with the ATLAS Detector written by Aviv Ruben Cukierman and published by . This book was released on 2020 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: The Large Hadron Collider produces particle collisions at the highest energies ever observed in a scientific experiment. This apparatus is built to test the predictions of the Standard Model of Particle Physics, including the existence and properties of the Higgs boson. As a proton-proton collider, quarks and gluons are produced in abundance, which quickly fragment and hadronize into collimated showers of energy called jets. These jets are detected and measured in the ATLAS detector, which is built around the point of the proton-proton collisions to observe the products of these interactions. Three major original research efforts are presented using data from proton-proton collisions observed in ATLAS. The first analyzes events with jets and photons to search for a beyond-the-Standard-Model decay of the Higgs boson. The second utilizes novel techniques in weak supervision to perform a generic data-driven resonance search in events with two jets. The third formalizes the calibration of the jet energies observed in the ATLAS detector, and further proposes a new method to improve this calibration with machine learning. The work presented here addresses some of the key questions in particle physics today. By searching for new physics, it is possible to shed light on the nature of the Higgs boson and the possibility of physics beyond the Standard Model. These searches focus on processes involving multiple jets in the final state, which motivates innovations in the reconstruction of jet energies. In addition to setting new bounds on theoretically interesting models, the innovations in object reconstruction and analysis techniques developed in this work can be applied in other ATLAS efforts using currently available data or data gathered in the future.
Author : Mario Campanelli
Publisher : Springer Science & Business Media
ISBN 13 : 3540328416
Total Pages : 360 pages
Book Rating : 4.5/5 (43 download)
Download or read book Hadron Collider Physics 2005 written by Mario Campanelli and published by Springer Science & Business Media. This book was released on 2007-08-17 with total page 360 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book gathers the proceedings of The Hadron Collider Physics Symposia (HCP) 2005, and reviews the state-of-the-art in the key physics directions of experimental hadron collider research. Topics include QCD physics, precision electroweak physics, c-, b-, and t-quark physics, physics beyond the Standard Model, and heavy ion physics. The present volume serves as a reference for everyone working in the field of accelerator-based high-energy physics.
Author : Lene Kristian Bryngemark
Publisher : Springer
ISBN 13 : 3319673467
Total Pages : 177 pages
Book Rating : 4.3/5 (196 download)
Download or read book Search for New Phenomena in Dijet Angular Distributions at √s = 8 and 13 TeV written by Lene Kristian Bryngemark and published by Springer. This book was released on 2017-12-29 with total page 177 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis describes the use of the angular distributions of the most energetic dijets in data recorded by the ATLAS experiment, at CERN’s Large Hadron Collider (LHC), the goal of which is to search for phenomena beyond what the current theory of Particle Physics (the Standard Model) can describe. It also describes the deployment of the method used in ATLAS to correct for the distortions in jet energy measurements caused by additional proton–proton interactions. The thesis provides a detailed introduction to understanding jets and dijet searches at the LHC. The experiments were carried out at two record collider centre-of-mass energies (8 and 13 TeV), probing smaller distances than ever before. Across a broad momentum transfer range, the proton constituents (quarks and gluons) display the same kinematical behaviour, and thus still appear to be point-like. Data are compared to predictions corrected for next-to-leading order quantum chromodynamics (NLO QCD) as well as electroweak effects, demonstrating excellent agreement. The results are subsequently used to set limits on parameters of suggested theoretical extensions to the Standard Model (SM), including the effective coupling and mass of a Dark Matter mediator.
Author : Antonio Ereditato
Publisher : World Scientific
ISBN 13 : 9814555118
Total Pages : 528 pages
Book Rating : 4.8/5 (145 download)
Download or read book Calorimetry In High Energy Physics - Proceedings Of The 2nd International Conference written by Antonio Ereditato and published by World Scientific. This book was released on 1992-06-09 with total page 528 pages. Available in PDF, EPUB and Kindle. Book excerpt: This volume is an almost exhaustive review of what physicists are doing (and intend to do for the future hadron colliders LHC and SSC) in the field of calorimetry in high energy physics.It is divided into two parts. The first comprises a series of invited papers which illustrate the state of the art in the field. The second is made up of contributed papers on calorimetry for LHC and SSC.
Author : Eugenio Nappi
Publisher : World Scientific
ISBN 13 : 9812387455
Total Pages : 471 pages
Book Rating : 4.8/5 (123 download)
Download or read book Innovative Detectors for Supercolliders written by Eugenio Nappi and published by World Scientific. This book was released on 2004 with total page 471 pages. Available in PDF, EPUB and Kindle. Book excerpt: The possible upgrade of LHC or a future generation of colliders at the extreme limits of energy and luminosity will require detectors based on very advanced technological solutions to fully exploit the physics opportunities offered. Major steps must be taken to design and realize devices that are able not only to handle very high rates but also to cope with the very harsh radiation environment without suffering any performance degradation.This book reviews the present status, current limits and recent developments in detection techniques and related aspects (simulation, signal acquisition, tracking, particle identification, etc.). Novel ideas in this domain are discussed with emphasis on the directions in which improvements in proven techniques are desired.The proceedings have been selected for coverage in: ? Index to Scientific & Technical Proceedings? (ISTP? / ISI Proceedings)? Index to Scientific & Technical Proceedings (ISTP CDROM version / ISI Proceedings)? CC Proceedings ? Engineering & Physical Sciences
Author : Josh McFayden
Publisher : Springer
ISBN 13 : 3319071912
Total Pages : 190 pages
Book Rating : 4.3/5 (19 download)
Download or read book Third generation SUSY and t ̄t +Z production written by Josh McFayden and published by Springer. This book was released on 2014-06-06 with total page 190 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis describes searches for new particles predicted by the super symmetry (SUSY) theory, a theory extending beyond the current Standard Model of particle physics, using the ATLAS detector at the CERN Large Hadron Collider. The thesis focuses on searches for stop and sbottom squarks, the SUSY partners of the top and bottom quarks, which are expected to be lighter than the partners of the first and second generation quarks and therefore good candidates for the first evidence of SUSY. It describes novel techniques for estimating and rejecting the Standard-Model backgrounds to searches for these particles. It also includes an independent analysis seeking to constrain the Standard Model ttZ background process, which also represents the first ATLAS search for this rare process at the LHC. The stop squark analysis described, with substantial leading contributions from the author, is the first search for these particles at the LHC to use the jets plus missing transverse energy plus 0-lepton signature and provides the world's best limits on the stop mass for light neutralino LSPs. All in all, the thesis describes three different world-leading analyses in both Standard Model and SUSY physics and therefore represents a major contribution to the field.
Author : Wesley Ernst
Publisher :
ISBN 13 :
Total Pages : pages
Book Rating : 4.:/5 (921 download)
Download or read book Determining the Jet Energy Scale and Resolution of the Forward Calorimeters in the ATLAS Experiment at the Large Hadron Collider written by Wesley Ernst and published by . This book was released on 2013 with total page pages. Available in PDF, EPUB and Kindle. Book excerpt: "The jet energy scale and resolution of the forward calorimeters of the ATLAS detector are two important measurements for physics analyses dependent on missing transverse energy measurements and jet tagging efficiencies. This thesis investigates the validity of the current calibration or jet energy scale of the ATLAS forward calorimeters in the pseudorapidity region of 3.6
Author : Daiki Yamaguchi
Publisher : Springer Nature
ISBN 13 : 9811509328
Total Pages : 279 pages
Book Rating : 4.8/5 (115 download)
Download or read book Search for New Phenomena in Top-Antitop Quarks Final States with Additional Heavy-Flavour Jets with the ATLAS Detector written by Daiki Yamaguchi and published by Springer Nature. This book was released on 2019-10-30 with total page 279 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reports on the search for a new heavy particle, the Vector-Like Top quark (VLT), in the Large Hadron Collider (LHC) at CERN. The signal process is the pair production of VLT decaying into a Higgs boson and top quark (TT→Ht+X, X=Ht, Wb, Zt). The signal events result in top–antitop quarks final states with additional heavy flavour jets. The book summarises the analysis of the data collected with the ATLAS detector in 2015 and 2016. In order to better differentiate between signals and backgrounds, exclusive taggers of top quark and Higgs boson were developed and optimised for VLT signals. These efforts improved the sensitivity by roughly 30%, compared to the previous analysis. The analysis outcomes yield the strongest constraints on parameter space in various BSM theoretical models. In addition, the book addresses detector operation and the evaluation of tracking performance. These efforts are essential to properly collecting dense events and improving the accuracy of the reconstructed objects that are used for particle identification. As such, they represent a valuable contribution to data analysis in extremely dense environments.
