Measurements Of Higgs Boson Properties In Proton Proton Collisions At S 7 8 And 13 Tev At The Cern Large Hadron Collider

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Measurements of Higgs Boson Properties in Proton-Proton Collisions at √s =7, 8 and 13 TeV at the CERN Large Hadron Collider

Ulascan Sarica
Measurements of Higgs Boson Properties in Proton Proton Collisions at s 7 8 and 13 TeV at the CERN Large Hadron Collider Book PDF

Author : Ulascan Sarica
Publisher : Springer Nature
Page : 103 pages
File Size : 41,7 Mb
Release : 2019-09-26
Category : Science
ISBN : 9783030254742

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Measurements of Higgs Boson Properties in Proton-Proton Collisions at √s =7, 8 and 13 TeV at the CERN Large Hadron Collider by Ulascan Sarica Pdf

This thesis documents the measurement of lifetime, width, mass, and couplings to two electroweak bosons of the recently-discovered Higgs boson using data from the CMS experiment at the Large Hadron Collider. Both on-shell (at the mass of around 125 GeV) and off-shell (above 200 GeV) Higgs boson production is studied and an excess of off-shell production with significance above two standard deviations is observed for the first time. The latter is a qualitative new way to study the Higgs field, responsible for generation of mass of all the known elementary particles. In addition, phenomenological tools have been developed with the Monte Carlo event generator and matrix element techniques for an optional analysis of LHC data. Optimization of the CMS data with careful alignment of the silicon tracker is also presented.

Particle Physics Reference Library

Herwig Schopper
Particle Physics Reference Library Book PDF

Author : Herwig Schopper
Publisher : Springer Nature
Page : 632 pages
File Size : 41,5 Mb
Release : 2020
Category : Elementary particles (Physics)
ISBN : 9783030382070

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Particle Physics Reference Library by Herwig Schopper Pdf

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

Measurements of Higgs Boson Properties in Proton-Proton Collisions at √s

Ulascan Sarica
Measurements of Higgs Boson Properties in Proton Proton Collisions at s Book PDF

Author : Ulascan Sarica
Publisher : Unknown
Page : 114 pages
File Size : 47,9 Mb
Release : 2019
Category : Higgs bosons
ISBN : 3030254755

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Measurements of Higgs Boson Properties in Proton-Proton Collisions at √s by Ulascan Sarica Pdf

This thesis documents the measurement of lifetime, width, mass, and couplings to two electroweak bosons of the recently-discovered Higgs boson using data from the CMS experiment at the Large Hadron Collider. Both on-shell (at the mass of around 125 GeV) and off-shell (above 200 GeV) Higgs boson production is studied and an excess of off-shell production with significance above two standard deviations is observed for the first time. The latter is a qualitative new way to study the Higgs field, responsible for generation of mass of all the known elementary particles. In addition, phenomenological tools have been developed with the Monte Carlo event generator and matrix element techniques for an optional analysis of LHC data. Optimization of the CMS data with careful alignment of the silicon tracker is also presented.

The Higgs Boson Discovery at the Large Hadron Collider

Roger Wolf
The Higgs Boson Discovery at the Large Hadron Collider Book PDF

Author : Roger Wolf
Publisher : Springer
Page : 187 pages
File Size : 52,8 Mb
Release : 2015-05-18
Category : Science
ISBN : 9783319185125

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The Higgs Boson Discovery at the Large Hadron Collider by Roger Wolf Pdf

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.

Search for the Higgs Boson in the Vector Boson Fusion Channel at the ATLAS Detector

Eric Ouellette
Search for the Higgs Boson in the Vector Boson Fusion Channel at the ATLAS Detector Book PDF

Author : Eric Ouellette
Publisher : Springer
Page : 114 pages
File Size : 51,8 Mb
Release : 2015-01-20
Category : Science
ISBN : 9783319135991

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Search for the Higgs Boson in the Vector Boson Fusion Channel at the ATLAS Detector by Eric Ouellette Pdf

This Thesis describes the first measurement of, and constraints on, Higgs boson production in the vector boson fusion mode, where the Higgs decays to b quarks (the most common decay channel), at the LHC. The vector boson fusion mode, in which the Higgs is produced simultaneously with a pair of quark jets, provides an unparalleled opportunity to study the detailed properties of the Higgs, including the possibility of parity and CP violation, as well as its couplings and mass. It thus opens up this new field of study for precision investigation as the LHC increases in energy and intensity, leading the way to this new and exciting arena of precision Higgs research.

Measurement of Higgs Boson Production Cross Sections in the Diphoton Channel

Ahmed Tarek Abouelfadl Mohamed
Measurement of Higgs Boson Production Cross Sections in the Diphoton Channel Book PDF

Author : Ahmed Tarek Abouelfadl Mohamed
Publisher : Springer Nature
Page : 305 pages
File Size : 51,9 Mb
Release : 2020-11-12
Category : Science
ISBN : 9783030595166

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Measurement of Higgs Boson Production Cross Sections in the Diphoton Channel by Ahmed Tarek Abouelfadl Mohamed Pdf

This thesis presents the measurement of the Higgs boson cross section in the diphoton decay channel. The measurement relies on proton-proton collision data at a center-of-mass energy √s = 13 TeV recorded by the ATLAS experiment at the Large Hadron Collider (LHC). The collected data correspond to the full Run-2 dataset with an integrated luminosity of 139 fb-1. The measured cross sections are used to constrain anomalous Higgs boson interactions in the Effective Field Theory (EFT) framework. The results presented in this thesis represent a reduction by a factor 2 of the different photon and jet energy scale and resolution systematic uncertainties with respect to the previous ATLAS publication. The thesis details the calibration of electron and photon energies in ATLAS, in particular the measurement of the presampler energy scale and the estimation of its systematic uncertainty. This calibration was used to perform a measurement of the Higgs boson mass in the H → γγ and H → 4l channels using the 36 fb−1 dataset.

Discovery of the Higgs Boson

Aleandro Nisati,Vivek Sharma
Discovery of the Higgs Boson Book PDF

Author : Aleandro Nisati,Vivek Sharma
Publisher : World Scientific
Page : 128 pages
File Size : 54,8 Mb
Release : 2016-08-26
Category : Science
ISBN : 9789814425469

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Discovery of the Higgs Boson by Aleandro Nisati,Vivek Sharma Pdf

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.

Inclusive b Jet Production in Proton-Proton Collisions

Patrick L.S. Connor
Inclusive b Jet Production in Proton Proton Collisions Book PDF

Author : Patrick L.S. Connor
Publisher : Springer Nature
Page : 325 pages
File Size : 49,6 Mb
Release : 2019-11-29
Category : Science
ISBN : 9783030343835

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Inclusive b Jet Production in Proton-Proton Collisions by Patrick L.S. Connor Pdf

^ 74 GeV and |y| 2.4; the b jets must contain a B hadron. The measurement has significant statistics up to p T ∼ O(TeV). Advanced methods of unfolding are performed to extract the signal. It is found that fixed-order calculations with underlying event describe the measurement well.

The God Particle

Leon M. Lederman,Dick Teresi
The God Particle Book PDF

Author : Leon M. Lederman,Dick Teresi
Publisher : Houghton Mifflin Harcourt
Page : 452 pages
File Size : 46,8 Mb
Release : 2006
Category : Science
ISBN : 0618711686

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The God Particle by Leon M. Lederman,Dick Teresi Pdf

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.

Physics with Photons Using the ATLAS Run 2 Data

Stefano Manzoni
Physics with Photons Using the ATLAS Run 2 Data Book PDF

Author : Stefano Manzoni
Publisher : Springer
Page : 265 pages
File Size : 53,8 Mb
Release : 2019-08-02
Category : Science
ISBN : 9783030243708

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Physics with Photons Using the ATLAS Run 2 Data by Stefano Manzoni Pdf

The work presented in this book is based on the proton-proton collision data from the Large Hadron Collider at a centre-of-mass energy of 13 TeV recorded by the ATLAS detector in 2015 and 2016. The research program of the ATLAS experiment includes the precise measurement of the parameters of the Standard Model, and the search for signals of physics beyond the SM. Both these approaches are pursued in this thesis, which presents two different analyses: the measurement of the Higgs boson mass in the di-photon decay channel, and the search for production of supersymmetric particles (gluinos, squarks or winos) in a final state containing two photons and missing transverse momentum. Finally, ATLAS detector performance studies, which are key ingredients for the two analyses outlined before, are also carried out and described.

The Standard Theory of Particle Physics

Luciano Maiani,Luigi Rolandi
The Standard Theory of Particle Physics Book PDF

Author : Luciano Maiani,Luigi Rolandi
Publisher : World Scientific Publishing Company
Page : 483 pages
File Size : 43,7 Mb
Release : 2016-08-25
Category : Science
ISBN : 9789814733519

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The Standard Theory of Particle Physics by Luciano Maiani,Luigi Rolandi Pdf

The book gives a quite complete and up-to-date picture of the Standard Theory with an historical perspective, with a collection of articles written by some of the protagonists of present particle physics. The theoretical developments are described together with the most up-to-date experimental tests, including the discovery of the Higgs Boson and the measurement of its mass as well as the most precise measurements of the top mass, giving the reader a complete description of our present understanding of particle physics.

Lectures on Particle Physics, Astrophysics and Cosmology

Carlos Merino
Lectures on Particle Physics Astrophysics and Cosmology Book PDF

Author : Carlos Merino
Publisher : Springer
Page : 491 pages
File Size : 42,7 Mb
Release : 2014-12-22
Category : Science
ISBN : 9783319122380

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Lectures on Particle Physics, Astrophysics and Cosmology by Carlos Merino Pdf

This volume gathers the content of the courses held at the Third IDPASC School, which took place in San Martiño Pinario, Hospederia and Seminario Maior, in the city of Santiago de Compostela, Galiza, Spain, from January 21st to February 2nd, 2013. This school is the annual joint program of the International Doctorate Network in Particle Physics, Astrophysics, and Cosmology (IDPASC). The purpose of the school series is to present doctoral students from different universities and laboratories in Europe and beyond with a broad range of the latest results and current state of the art in the fields of Particle Physics, Astrophysics, and Cosmology, and to further introduce them to both the questions now posed by the potentials of physics and to challenges connected with current and future experiments – in particular, with the newly available energy ranges. Following these guidelines, the content of this third edition of the IDPASC School was jointly planned by the Academic Council and by the network’s International Committee, whose members ensure every year its timely formulation, keeping up with the constant evolution of these fields. The program covers a balanced range of the latest developments in these fields worldwide, with courses offered by internationally acknowledged physicists on the Basic Features of Hadronic Processes, Quantum Chromodynamics, Physics and Technology of ALICE, LHCb Physics-Parity Violation, the Higgs System in and beyond the Standard Model, Higgs Searches at the LHC, Theory and Experiments with Cosmic Rays, Numerical Methods and Data Analysis in Particle Physics, Theoretical Cosmology, and AdS/CFT Correspondence. Most of these courses were complemented by practical and discussion sessions.

Study of Double Charm B Decays with the LHCb Experiment at CERN and Track Reconstruction for the LHCb Upgrade

Renato Quagliani
Study of Double Charm B Decays with the LHCb Experiment at CERN and Track Reconstruction for the LHCb Upgrade Book PDF

Author : Renato Quagliani
Publisher : Springer
Page : 262 pages
File Size : 50,6 Mb
Release : 2018-11-04
Category : Science
ISBN : 9783030018399

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Study of Double Charm B Decays with the LHCb Experiment at CERN and Track Reconstruction for the LHCb Upgrade by Renato Quagliani Pdf

This book discusses the study of double charm B decays and the first observation of B0->D0D0Kst0 decay using Run I data from the LHCb experiment. It also describes in detail the upgrade for the Run III of the LHCb tracking system and the trigger and tracking strategy for the LHCb upgrade, as well as the development and performance studies of a novel standalone tracking algorithm for the scintillating fibre tracker that will be used for the LHCb upgrade. This algorithm alone allows the LHCb upgrade physics program to achieve incredibly high sensitivity to decays containing long-lived particles as final states as well as to boost the physics capabilities for the reconstruction of low momentum particles.

Electroweak Physics at the Large Hadron Collider with the ATLAS Detector

Elodie Resseguie
Electroweak Physics at the Large Hadron Collider with the ATLAS Detector Book PDF

Author : Elodie Resseguie
Publisher : Springer Nature
Page : 336 pages
File Size : 49,6 Mb
Release : 2020-11-03
Category : Science
ISBN : 9783030570163

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Electroweak Physics at the Large Hadron Collider with the ATLAS Detector by Elodie Resseguie Pdf

This thesis discusses searches for electroweakly produced supersymmetric partners of the gauge and the Higgs bosons (gauginos and higgsinos) decaying to multiple leptons, using pp collisions at sqrt(s) = 13 TeV. The thesis presents an in-depth study of multiple searches, as well as the first 13 TeV cross section measurement for the dominant background in these searches, WZ production. Two searches were performed using 36.1/fb of data: the gaugino search, which makes use of a novel kinematic variable, and the higgsino search, which produced the first higgsino limits at the LHC. A search using 139/fb of data makes use of a new technique developed in this thesis to cross check an excess of data above the background expectation in a search using a Recursive Jigsaw Reconstruction technique. None of the searches showed a significant excess of data, and limits were expanded with respect to previous results. These searches will benefit from the addition of luminosity during HL-LHC; however, the current detector will not be able to withstand the increase in radiation. Electronics for the detector upgrade are tested and irradiated to ensure their performance.

Electroweak Physics at the LHC

Matthias U. Mozer
Electroweak Physics at the LHC Book PDF

Author : Matthias U. Mozer
Publisher : Springer
Page : 115 pages
File Size : 49,9 Mb
Release : 2016-03-24
Category : Science
ISBN : 9783319303819

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Electroweak Physics at the LHC by Matthias U. Mozer Pdf

The book discusses the recent experimental results obtained at the LHC that involve electroweak bosons. The results are placed into an appropriate theoretical and historical context. The work pays special attention to the rising subject of hadronically decaying bosons with high boosts, documenting the state-of-the-art identification techniques and highlighting typical results. The text is not limited to electroweak physics in the strict sense, but also discusses the use of electroweak vector-bosons as tool in the study of other subjects in particle physics, such as determinations of the proton structure or the search for new exotic particles. The book is particularly well suited for graduate students, starting their thesis work on topics that involve electroweak bosons, as the book provides a comprehensive description of phenomena observable at current accelerators as well as a summary of the most relevant experimental techniques.