Production And Decay Of Heavy Top Quarks
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Author |
: Amitava Datta |
Publisher |
: Springer Science & Business Media |
Total Pages |
: 260 |
Release |
: 2010-05-30 |
ISBN-10 |
: 9788184892956 |
ISBN-13 |
: 8184892950 |
Rating |
: 4/5 (56 Downloads) |
Synopsis Physics at the Large Hadron Collider by : Amitava Datta
In an epoch when particle physics is awaiting a major step forward, the Large Hydron Collider (LHC) at CERN, Geneva will soon be operational. It will collide a beam of high energy protons with another similar beam circulation in the same 27 km tunnel but in the opposite direction, resulting in the production of many elementary particles some never created in the laboratory before. It is widely expected that the LHC will discover the Higgs boson, the particle which supposedly lends masses to all other fundamental particles. In addition, the question as to whether there is some new law of physics at such high energy is likely to be answered through this experiment. The present volume contains a collection of articles written by international experts, both theoreticians and experimentalists, from India and abroad, which aims to acquaint a non-specialist with some basic issues related to the LHC. At the same time, it is expected to be a useful, rudimentary companion of introductory exposition and technical expertise alike, and it is hoped to become unique in its kind. The fact that there is substantial Indian involvement in the entire LHC endeavour, at all levels including fabrication, physics analysis procedures as well as theoretical studies, is also amply brought out in the collection.
Author |
: Arnulf Quadt |
Publisher |
: Springer Science & Business Media |
Total Pages |
: 166 |
Release |
: 2007-08-16 |
ISBN-10 |
: 9783540710608 |
ISBN-13 |
: 3540710604 |
Rating |
: 4/5 (08 Downloads) |
Synopsis Top Quark Physics at Hadron Colliders by : Arnulf Quadt
This will be a required acquisition text for academic libraries. More than ten years after its discovery, still relatively little is known about the top quark, the heaviest known elementary particle. This extensive survey summarizes and reviews top-quark physics based on the precision measurements at the Fermilab Tevatron Collider, as well as examining in detail the sensitivity of these experiments to new physics. Finally, the author provides an overview of top quark physics at the Large Hadron Collider.
Author |
: Aneesh V. Manohar |
Publisher |
: Cambridge University Press |
Total Pages |
: 205 |
Release |
: 2023-07-31 |
ISBN-10 |
: 9781009402149 |
ISBN-13 |
: 1009402145 |
Rating |
: 4/5 (49 Downloads) |
Synopsis Heavy Quark Physics by : Aneesh V. Manohar
Author |
: Alan Astbury |
Publisher |
: World Scientific |
Total Pages |
: 1899 |
Release |
: 1999-06-11 |
ISBN-10 |
: 9789814644914 |
ISBN-13 |
: 9814644919 |
Rating |
: 4/5 (14 Downloads) |
Synopsis Proceedings Of The 29th International Conference On High Energy Physics: Ichep '98 (In 2 Volumes) by : Alan Astbury
These proceedings consist of plenary rapporteur talks covering topics of major interest to the high energy physics community and parallel sessions papers which describe recent research results and future plans.
Author |
: Jan Kieseler |
Publisher |
: Springer |
Total Pages |
: 172 |
Release |
: 2016-06-15 |
ISBN-10 |
: 9783319400051 |
ISBN-13 |
: 3319400053 |
Rating |
: 4/5 (51 Downloads) |
Synopsis Top-Quark Pair Production Cross Sections and Calibration of the Top-Quark Monte-Carlo Mass by : Jan Kieseler
This thesis presents the first experimental calibration of the top-quark Monte-Carlo mass. It also provides the top-quark mass-independent and most precise top-quark pair production cross-section measurement to date. The most precise measurements of the top-quark mass obtain the top-quark mass parameter (Monte-Carlo mass) used in simulations, which are partially based on heuristic models. Its interpretation in terms of mass parameters used in theoretical calculations, e.g. a running or a pole mass, has been a long-standing open problem with far-reaching implications beyond particle physics, even affecting conclusions on the stability of the vacuum state of our universe. In this thesis, this problem is solved experimentally in three steps using data obtained with the compact muon solenoid (CMS) detector. The most precise top-quark pair production cross-section measurements to date are performed. The Monte-Carlo mass is determined and a new method for extracting the top-quark mass from theoretical calculations is presented. Lastly, the top-quark production cross-sections are obtained – for the first time – without residual dependence on the top-quark mass, are interpreted using theoretical calculations to determine the top-quark running- and pole mass with unprecedented precision, and are fully consistently compared with the simultaneously obtained top-quark Monte-Carlo mass.
Author |
: J. Thanh Van Tran |
Publisher |
: Atlantica Séguier Frontières |
Total Pages |
: 704 |
Release |
: 1996 |
ISBN-10 |
: 2863322044 |
ISBN-13 |
: 9782863322048 |
Rating |
: 4/5 (44 Downloads) |
Synopsis '96 QCD and High Energy Hadronic Interactions by : J. Thanh Van Tran
Author |
: Anna Christine Henrichs |
Publisher |
: Springer Science & Business Media |
Total Pages |
: 231 |
Release |
: 2013-10-04 |
ISBN-10 |
: 9783319014876 |
ISBN-13 |
: 3319014870 |
Rating |
: 4/5 (76 Downloads) |
Synopsis Top Quark Pair Production by : Anna Christine Henrichs
Before any kind of new physics discovery could be made at the LHC, a precise understanding and measurement of the Standard Model of particle physics' processes was necessary. The book provides an introduction to top quark production in the context of the Standard Model and presents two such precise measurements of the production of top quark pairs in proton-proton collisions at a center-of-mass energy of 7 TeV that were observed with the ATLAS Experiment at the LHC. The presented measurements focus on events with one charged lepton, missing transverse energy and jets. Using novel and advanced analysis techniques as well as a good understanding of the detector, they constitute the most precise measurements of the quantity at that time.
Author |
: Kiran Joshi |
Publisher |
: Springer |
Total Pages |
: 188 |
Release |
: 2015-06-12 |
ISBN-10 |
: 9783319196534 |
ISBN-13 |
: 3319196537 |
Rating |
: 4/5 (34 Downloads) |
Synopsis QCD Radiation in Top-Antitop and Z+Jets Final States by : Kiran Joshi
This thesis contains new research in both experimental and theoretical particle physics, making important contributions in each. Two analyses of collision data from the ATLAS experiment at the LHC are presented, as well as two phenomenological studies of heavy coloured resonances that could be produced at the LHC. The first data analysis was the measurement of top quark-antiquark production with a veto on additional jet activity. As the first detector-corrected measurement of jet activity in top-antitop events it played an important role in constraining the theoretical modelling, and ultimately reduced these uncertainties for ATLAS's other top-quark measurements by a factor of two. The second data analysis was the measurement of Z+2jet production and the observation of the electroweak vector boson fusion (VBF) component. As the first observation of VBF at a hadron collider, this measurement demonstrated new techniques to reliably extract VBF processes and paved the way for future VBF Higgs measurements. The first phenomenological study developed a new technique for identifying the colour of heavy resonances produced in proton-proton collisions. As a by-product of this study an unexpected and previously unnoticed correlation was discovered between the probability of correctly identifying a high-energy top and the colour structure of the event it was produced in. The second phenomenological study explored this relationship in more detail, and could have important consequences for the identification of new particles that decay to top quarks.
Author |
: John F. Donoghue |
Publisher |
: Cambridge University Press |
Total Pages |
: 564 |
Release |
: 1994-06-16 |
ISBN-10 |
: 0521476526 |
ISBN-13 |
: 9780521476522 |
Rating |
: 4/5 (26 Downloads) |
Synopsis Dynamics of the Standard Model by : John F. Donoghue
Focusing on the techniques by which the model can produce information about real observed phenomena, this book provides a detailed account of the Standard Model of particle physics. Following an account of the theory, the major part of the text is concerned with its application to the calculation of physical properties of particles.
Author |
: Daniel Salerno |
Publisher |
: Springer Nature |
Total Pages |
: 207 |
Release |
: 2019-10-25 |
ISBN-10 |
: 9783030312572 |
ISBN-13 |
: 3030312577 |
Rating |
: 4/5 (72 Downloads) |
Synopsis The Higgs Boson Produced With Top Quarks in Fully Hadronic Signatures by : Daniel Salerno
The work presented in this PhD dissertation is the first search at CMS for Higgs bosons produced in association with top quarks (ttH) in a final state consisting of only jets. The results presented in this book uncover a new class of ttH events that will help us elucidate our understanding of the Yukawa sector interactions between the Higgs boson and the top quark. Despite this being the most common decay signature for ttH, a large contamination of SM backgrounds makes it the most challenging for extracting a signal from data. The PhD thesis presents many sophisticated tools and techniques that were developed in order to overcome these challenges. These tools pave the way for future analyses to investigate other standard model and beyond-standard model physics.