60 Years Of Cern Experiments And Discoveries

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Publisher : World Scientific
ISBN 13 : 9814644161
Total Pages : 452 pages
Book Rating : 4.8/5 (146 download)

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Book Synopsis 60 Years Of Cern Experiments And Discoveries by : Herwig Schopper

Download or read book 60 Years Of Cern Experiments And Discoveries written by Herwig Schopper and published by World Scientific. This book was released on 2015-07-13 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book is a compilation of the most important experimental results achieved during the past 60 years at CERN - from the mid-1950s to the latest discovery of the Higgs particle. Covering the results from the early accelerators at CERN to those most recent at the LHC, the contents provide an excellent review of the achievements of this outstanding laboratory. Not only presented is the impressive scientific progress achieved during the past six decades, but also demonstrated is the special way in which successful international collaboration exists at CERN.

Particle Physics Reference Library

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Publisher : Springer Nature
ISBN 13 : 3030382079
Total Pages : 632 pages
Book Rating : 4.0/5 (33 download)

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Book Synopsis Particle Physics Reference Library by : Herwig Schopper

Download or read book Particle Physics Reference Library written by Herwig Schopper and published by Springer Nature. This book was released on 2020 with total page 632 pages. Available in PDF, EPUB and Kindle. Book excerpt: This first open access volume of the handbook series contains articles on the standard model of particle physics, both from the theoretical and experimental perspective. It also covers related topics, such as heavy-ion physics, neutrino physics and searches for new physics beyond the standard model. 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

W and Z Bosons at the LHC

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Publisher : Sudwestdeutscher Verlag Fur Hochschulschriften AG
ISBN 13 : 9783838136226
Total Pages : 184 pages
Book Rating : 4.1/5 (362 download)

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Book Synopsis W and Z Bosons at the LHC by : Ann-Karin Sanchez

Download or read book W and Z Bosons at the LHC written by Ann-Karin Sanchez and published by Sudwestdeutscher Verlag Fur Hochschulschriften AG. This book was released on 2013-01 with total page 184 pages. Available in PDF, EPUB and Kindle. Book excerpt: Processes involving W and Z bosons decaying leptonically are among the best understood at hadron colliders. This and their copious production allow for a wide range of studies. The study of hard-diffractive event observables, such as a large rapidity gap in W or Z boson events, is strongly influenced by the underlying multiparton interactions. At present, the description of these processes relies largely on the generator specific tuning of data. Therefore, the measurement and extensive study of such events can be used in the understanding and implementation of detailed simulations of diffraction. Moreover, the measurements of single pomeron exchange are sensitive to the structure of the pomeron and the dynamics of diffraction. A detailed overview towards the observation of a diffractive signal with improvements of Monte Carlo simulations containing multiparton interactions is given. Finally, a precise measurement of the W and Z transverse momenta is presented. The distributions can potentially be used to constrain the gluon distribution function to high precision at LHC energies.

Discovery Of The Higgs Boson

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Publisher : World Scientific
ISBN 13 : 981442546X
Total Pages : 470 pages
Book Rating : 4.8/5 (144 download)

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Book Synopsis Discovery Of The Higgs Boson by : Aleandro Nisati

Download or read book Discovery Of The Higgs Boson written by Aleandro Nisati and published by World Scientific. This book was released on 2016-08-26 with total page 470 pages. Available in PDF, EPUB and Kindle. Book excerpt: The recent observation of the Higgs boson has been hailed as the scientific discovery of the century and led to the 2013 Nobel Prize in physics. This book describes the detailed science behind the decades-long search for this elusive particle at the Large Electron Positron Collider at CERN and at the Tevatron at Fermilab and its subsequent discovery and characterization at the Large Hadron Collider at CERN. Written by physicists who played leading roles in this epic search and discovery, this book is an authoritative and pedagogical exposition of the portrait of the Higgs boson that has emerged from a large number of experimental measurements. As the first of its kind, this book should be of interest to graduate students and researchers in particle physics.

Studies of W and Z Bosons with the CMS Experiment at the LHC

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Publisher :
ISBN 13 :
Total Pages : 158 pages
Book Rating : 4.:/5 (818 download)

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Book Synopsis Studies of W and Z Bosons with the CMS Experiment at the LHC by : Ann-Karin Nathalie Sanchez

Download or read book Studies of W and Z Bosons with the CMS Experiment at the LHC written by Ann-Karin Nathalie Sanchez and published by . This book was released on 2012 with total page 158 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The God Particle

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Publisher : Houghton Mifflin Harcourt
ISBN 13 : 9780618711680
Total Pages : 452 pages
Book Rating : 4.7/5 (116 download)

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Book Synopsis The God Particle by : Leon M. Lederman

Download or read book The God Particle written by Leon M. Lederman and published by Houghton Mifflin Harcourt. This book was released on 2006 with total page 452 pages. Available in PDF, EPUB and Kindle. Book excerpt: A fascinating tour of particle physics from Nobel Prize winner Leon Lederman. At the root of particle physics is an invincible sense of curiosity. Leon Lederman embraces this spirit of inquiry as he moves from the Greeks' earliest scientific observations to Einstein and beyond to chart this unique arm of scientific study. His survey concludes with the Higgs boson, nicknamed the God Particle, which scientists hypothesize will help unlock the last secrets of the subatomic universe, quarks and all--it's the dogged pursuit of this almost mystical entity that inspires Lederman's witty and accessible history.

First Measurement of Z Bosons with the ATLAS Detector at the LHC and Its Implications for New Physics Beyond the Standard Model

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Author :
Publisher :
ISBN 13 :
Total Pages : 196 pages
Book Rating : 4.:/5 (775 download)

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Book Synopsis First Measurement of Z Bosons with the ATLAS Detector at the LHC and Its Implications for New Physics Beyond the Standard Model by : Pai-hsien Jennifer Hsu

Download or read book First Measurement of Z Bosons with the ATLAS Detector at the LHC and Its Implications for New Physics Beyond the Standard Model written by Pai-hsien Jennifer Hsu and published by . This book was released on 2011 with total page 196 pages. Available in PDF, EPUB and Kindle. Book excerpt:

The Higgs Boson Discovery at the Large Hadron Collider

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Publisher : Springer
ISBN 13 : 3319185128
Total Pages : 192 pages
Book Rating : 4.3/5 (191 download)

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Book Synopsis The Higgs Boson Discovery at the Large Hadron Collider by : Roger Wolf

Download or read book The Higgs Boson Discovery at the Large Hadron Collider written by Roger Wolf and published by Springer. This book was released on 2015-05-18 with total page 192 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book provides a comprehensive overview of the field of Higgs boson physics. It offers the first in-depth review of the complete results in connection with the discovery of the Higgs boson at CERN’s Large Hadron Collider and based on the full dataset for the years 2011 to 2012. The fundamental concepts and principles of Higgs physics are introduced and the important searches prior to the advent of the Large Hadron Collider are briefly summarized. Lastly, the discovery and first mensuration of the observed particle in the course of the CMS experiment are discussed in detail and compared to the results obtained in the ATLAS experiment.

The Physics of Top, W and Z from LHC, Tevatron and HERA.

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Author :
Publisher :
ISBN 13 :
Total Pages : 10 pages
Book Rating : 4.:/5 (727 download)

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Book Synopsis The Physics of Top, W and Z from LHC, Tevatron and HERA. by :

Download or read book The Physics of Top, W and Z from LHC, Tevatron and HERA. written by and published by . This book was released on 2010 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt: We summarize recent experimental results in electroweak and top quark physics presented at the conference. This overview covers new measurements of the properties of top quark and W and Z bosons from the LHC, Tevatron and HERA.

The Standard Model Higgs Boson

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Author :
Publisher : North Holland
ISBN 13 :
Total Pages : 408 pages
Book Rating : 4.3/5 (91 download)

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Book Synopsis The Standard Model Higgs Boson by : Martin B. Einhorn

Download or read book The Standard Model Higgs Boson written by Martin B. Einhorn and published by North Holland. This book was released on 1991 with total page 408 pages. Available in PDF, EPUB and Kindle. Book excerpt: Volume 8.

Story of the W and Z

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Author :
Publisher : CUP Archive
ISBN 13 : 9780521318754
Total Pages : 260 pages
Book Rating : 4.3/5 (187 download)

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Book Synopsis Story of the W and Z by : Peter Watkins

Download or read book Story of the W and Z written by Peter Watkins and published by CUP Archive. This book was released on 1986-05-08 with total page 260 pages. Available in PDF, EPUB and Kindle. Book excerpt: This is a first-hand account of one of the most important scientific discoveries of the twentieth century. In 1983, two groups of scientists working at CERN near Geneva collected data, which were subsequently shown to be consistent with the W and Z bosons. This work earned two of those scientists the 1984 Nobel Prize in Physics. The author of this book, Peter Watkins, was a member of one of those groups. His book opens with a brief statement of the background, explaining in non-technical terms the theoretical developments that led to the prediction in the late 1960s of the existence of the W and Z bosons. He then moves on rapidly to describe the background to the experiments, explaining as he does so the problems that had to be overcome, and giving details of the accelerators, detectors and computers used in these very advanced- and difficult- experiments.

Search for the Higgs Boson Produced in Association with Top Quarks with the CMS Detector at the LHC

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Publisher : Springer Nature
ISBN 13 : 3030902064
Total Pages : 291 pages
Book Rating : 4.0/5 (39 download)

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Book Synopsis Search for the Higgs Boson Produced in Association with Top Quarks with the CMS Detector at the LHC by : Cristina Martin Perez

Download or read book Search for the Higgs Boson Produced in Association with Top Quarks with the CMS Detector at the LHC written by Cristina Martin Perez and published by Springer Nature. This book was released on 2022-02-09 with total page 291 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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.

Z Boson Transverse Momentum Distribution, and ZZ and WZ Production

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Author :
Publisher : Springer Science & Business Media
ISBN 13 : 3642307884
Total Pages : 226 pages
Book Rating : 4.6/5 (423 download)

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Book Synopsis Z Boson Transverse Momentum Distribution, and ZZ and WZ Production by : Mika Vesterinen

Download or read book Z Boson Transverse Momentum Distribution, and ZZ and WZ Production written by Mika Vesterinen and published by Springer Science & Business Media. This book was released on 2012-06-30 with total page 226 pages. Available in PDF, EPUB and Kindle. Book excerpt: This work develops novel data analysis techniques enabling aspects of the Standard Model of particle physics to be tested with unprecedented precision using data from the DZero experiment at the high energy “Tevatron” proton-antiproton collider at Fermilab, Chicago. Vesterinen's measurements of the transverse momentum of Z bosons using the novel variable φ* have exposed deficiencies in the current state-of-the-art theoretical predictions for vector boson production at hadron colliders. These techniques are now being used in the experiments at CERN’s Large Hadron Collider (LHC) and have stimulated considerable interest in the theoretical particle physics community. Furthermore, Vesterinen's measurements of the cross sections for the production of pairs of vector bosons (WZ and ZZ) are to date the most precise ever made.

Z' and W' Gauge Bosons in SU(2)xSU(2)xU(1) Models

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Publisher :
ISBN 13 :
Total Pages : 0 pages
Book Rating : 4.:/5 (976 download)

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Book Synopsis Z' and W' Gauge Bosons in SU(2)xSU(2)xU(1) Models by : Tomas Jezo

Download or read book Z' and W' Gauge Bosons in SU(2)xSU(2)xU(1) Models written by Tomas Jezo and published by . This book was released on 2013 with total page 0 pages. Available in PDF, EPUB and Kindle. Book excerpt: General SU(2)x SU(2)x U(1) models represent a well-motivated intermediate step towards the unication of the Standard Model (SM) gauge groups. Extended gauge group sector, as compared to that of the SM, leads to additional neutral and charged gauge bosons. These so-called Z' and W' bosons are actively searched for at the Large Hadron Collider (LHC). Based on a recent global analysis of low-energy and LEP constraints of these models, we perform numerical scans of their various signals at the LHC at Leading Order accuracy. We show that total cross sections for lepton and third-generation quark pairs, while experimentally easily accessible, provide individually only partial information about the model realized in Nature. In contrast, correlations of these cross sections in the neutral and charged current channels may well lead to a unique identification. Subsequently we study the electroweak top-pair production at Next-to-leading Order (NLO) accuracy in the SM extensions with an additional Z' boson assuming general flavour-diagonal couplings. We calculate the virtual and real corrections at order O(alS*alW^2) and implement them in the POWHEG BOX framework which allows for consistent matching of NLO QCD calculations with parton showers. We find that the NLO corrections can be very important but the K-factors in the invariant mass region around the resonance mass are modest.

The Large Hadron Collider

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Publisher : JHU Press
ISBN 13 : 1421414325
Total Pages : 238 pages
Book Rating : 4.4/5 (214 download)

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Book Synopsis The Large Hadron Collider by : Don Lincoln

Download or read book The Large Hadron Collider written by Don Lincoln and published by JHU Press. This book was released on 2014-10-01 with total page 238 pages. Available in PDF, EPUB and Kindle. Book excerpt: An insider's history of the world's largest particle accelerator, the Large Hadron Collider: why it was built, how it works, and the importance of what it has revealed. Since 2008 scientists have conducted experiments in a hyperenergized, 17-mile supercollider beneath the border of France and Switzerland. The Large Hadron Collider (or what scientists call "the LHC") is one of the wonders of the modern world—a highly sophisticated scientific instrument designed to re-create in miniature the conditions of the universe as they existed in the microseconds following the big bang. Among many notable LHC discoveries, one led to the 2013 Nobel Prize in Physics for revealing evidence of the existence of the Higgs boson, the so-called God particle. Picking up where he left off in The Quantum Frontier, physicist Don Lincoln shares an insider's account of the LHC's operational history and gives readers everything they need to become well informed on this marvel of technology. Writing about the LHC's early days, Lincoln offers keen insight into an accident that derailed the operation nine days after the collider's 2008 debut. A faulty solder joint started a chain reaction that caused a massive explosion, damaged 50 superconducting magnets, and vaporized large sections of the conductor. The crippled LHC lay dormant for over a year, while technical teams repaired the damage. Lincoln devotes an entire chapter to the Higgs boson and Higgs field, using several extended analogies to help explain the importance of these concepts to particle physics. In the final chapter, he describes what the discovery of the Higgs boson tells us about our current understanding of basic physics and how the discovery now keeps scientists awake over a nagging inconsistency in their favorite theory. As accessible as it is fascinating, The Large Hadron Collider reveals the inner workings of this masterful achievement of technology, along with the mind-blowing discoveries that will keep it at the center of the scientific frontier for the foreseeable future.

Inclusive Electroweak Measurements in the Muon Channel with Pp Collisions at [the Square Root Of] S

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Publisher :
ISBN 13 :
Total Pages : 243 pages
Book Rating : 4.:/5 (827 download)

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Book Synopsis Inclusive Electroweak Measurements in the Muon Channel with Pp Collisions at [the Square Root Of] S by : Philip Coleman Harris

Download or read book Inclusive Electroweak Measurements in the Muon Channel with Pp Collisions at [the Square Root Of] S written by Philip Coleman Harris and published by . This book was released on 2011 with total page 243 pages. Available in PDF, EPUB and Kindle. Book excerpt: In this thesis, we perform the measurement of the production of W and Z bosons in proton-proton collisions at [the square root of]s = 7 TeV with the Large Hadron Collider (LHC). In the LHC, W and Z bosons are produced at a high rate, providing for large yields, which along with the clean signature of W boson decay into a muon and neutrino and the Z boson decay into two muons, allow for precision measurement of their production within the first year of operation. Deviation of these values from standard model predictions gives a clear indication of new physics interactions occurring at the LHC. We present the measurement of the inclusive W--> [mu] [epsilon] and Z --> [mu]+ [mu]- cross sections along with the W boson charge ratio (W+/W-) and the W/Z production ratio in the muon channel using the first data corresponding to 35.9 pb-1 of proton proton collisions at [the square root of]s = 7 TeV. Measured values of ... are in agreement with the most advanced NNLO predictions. These are currently the most precise Electroweak measurements at the LHC.

Inside Cern's Large Hadron Collider: From The Proton To The Higgs Boson

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Publisher : World Scientific
ISBN 13 : 9814656674
Total Pages : 113 pages
Book Rating : 4.8/5 (146 download)

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Book Synopsis Inside Cern's Large Hadron Collider: From The Proton To The Higgs Boson by : Mario Campanelli

Download or read book Inside Cern's Large Hadron Collider: From The Proton To The Higgs Boson written by Mario Campanelli and published by World Scientific. This book was released on 2015-09-16 with total page 113 pages. Available in PDF, EPUB and Kindle. Book excerpt: The book aims to explain the historical development of particle physics, with special emphasis on CERN and collider physics. It describes in detail the LHC accelerator and its detectors, describing the science involved as well as the sociology of big collaborations, culminating with the discovery of the Higgs boson. Readers are led step-by-step to understanding why we do particle physics, as well as the tools and problems involved in the field. It provides an insider's view on the experiments at the Large Hadron Collider.