Electroweak Physics at LEP and LHC

Electroweak Physics at LEP and LHC

Author: Arno Straessner

Publisher: Springer Science & Business Media

Published: 2010-03-31

Total Pages: 221

ISBN-13: 3642051685

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During more than 10 years, from 1989 until 2000, the LEP accelerator and the four LEP experiments, ALEPH, DELPHI, L3 and OPAL, have taken data for a large amount of measurements at the frontier of particle physics. The main outcome is a thorough and successful test of the Standard Model of electroweak interactions. Mass and width of the Z and W bosons were measured precisely, as well as the Z and photon couplings to fermions and the couplings among gauge bosons. The rst part of this work will describe the most important physics results of the LEP experiments. Emphasis is put on the properties of the W boson, which was my main research eld at LEP. Especially the precise determination of its mass and its couplings to the other gauge bosons will be described. Details on physics effects like Colour Reconnection and Bose-Einstein Correlations in W-pair events shall be discussed as well. A conclusive summary of the current electroweak measurements, including low-energy results, as the pillars of possible future ndings will be given. The important contributions from Tevatron, like the measurement of the top quark and W mass, will round up the present day picture of electroweak particle physics.


Physics at the Terascale

Physics at the Terascale

Author: Ian Brock

Publisher: John Wiley & Sons

Published: 2011-05-04

Total Pages: 437

ISBN-13: 3527634975

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Written by authors working at the forefront of research, this accessible treatment presents the current status of the field of collider-based particle physics at the highest energies available, as well as recent results and experimental techniques. It is clearly divided into three sections; The first covers the physics -- discussing the various aspects of the Standard Model as well as its extensions, explaining important experimental results and highlighting the expectations from the Large Hadron Collider (LHC). The second is dedicated to the involved technologies and detector concepts, and the third covers the important - but often neglected - topics of the organisation and financing of high-energy physics research. A useful resource for students and researchers from high-energy physics.


Higgs Properties at the LHC

Higgs Properties at the LHC

Author: Jason Tsz Shing Yue

Publisher: Springer

Published: 2017-08-29

Total Pages: 143

ISBN-13: 331963402X

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This thesis studies the properties of the Higgs particle, discovered at the Large Hadron Collider (LHC) in 2012, in order to elucidate its role in electroweak symmetry breaking and cosmological phase transition in the early universe. It shows that a generic spin-2 Higgs impostor is excluded by the precision measurements of electroweak observables and perturbative unitarity considerations. It obtains LHC constraints on anomalous CP-violating Higgs-Top Yukawa couplings and examines the prospects of their measurement in future experiments. Lastly, it discusses in detail the electroweak phase transition and generation of cosmological matter–antimatter asymmetry in the universe with anomalous Higgs couplings.


Supersymmetry Beyond Minimality

Supersymmetry Beyond Minimality

Author: Shaaban Khalil

Publisher: CRC Press

Published: 2017-12-06

Total Pages: 394

ISBN-13: 1315350874

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Supersymmetry (SUSY) is one of the most important ideas ever conceived in particle physics. It is a symmetry that relates known elementary particles of a certain spin to as yet undiscovered particles that differ by half a unit of that spin (known as Superparticles). Supersymmetric models now stand as the most promising candidates for a unified theory beyond the Standard Model (SM). SUSY is an elegant and simple theory, but its existence lacks direct proof. Instead of dismissing supersymmetry altogether, Supersymmetry Beyond Minimality: from Theory to Experiment suggests that SUSY may exist in more complex and subtle manifestation than the minimal model. The book explores in detail non-minimal SUSY models, in a bottom-up approach that interconnects experimental phenomena in the fermionic and bosonic sectors. The book considers with equal emphasis the Higgs and Superparticle sectors, and explains both collider and non-collider experiments. Uniquely, the book explores charge/parity and lepton flavour violation. Supersymmetry Beyond Minimality: from Theory to Experiment provides an introduction to well-motivated examples of such non-minimal SUSY models, including the ingredients for generating neutrino masses and/or relaxing the tension with the heavily constraining Large Hadron Collider (LHC) data. Examples of these scenarios are explored in depth, in particular the discussions on Next-to-Minimal Supersymmetric SM (NMSSM) and B-L Supersymmetric SM (BLSSM).


Strong Coupling Gauge Theories In Lhc Era - Proceedings Of The Workshop In Honor Of Toshihide Maskawa's 70th Birthday And 35th Anniversary Of Dynamical Symmetry Breaking In Scgt

Strong Coupling Gauge Theories In Lhc Era - Proceedings Of The Workshop In Honor Of Toshihide Maskawa's 70th Birthday And 35th Anniversary Of Dynamical Symmetry Breaking In Scgt

Author: Masayasu Harada

Publisher: World Scientific

Published: 2011-01-19

Total Pages: 459

ISBN-13: 9814462519

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The purpose of the Workshop is to have intensive discussions on both theoretical and phenomenological aspects of strong coupling gauge theories (SCGTs), with particular emphasis on the model buildings to be tested in the LHC experiments. Dynamical issues are discussed in lattice simulations and various analytical methods. This proceedings volume is a collection of the presentations made at the Workshop by many leading scientists in the field.


The Origin of Mass and Strong Coupling Gauge Theories

The Origin of Mass and Strong Coupling Gauge Theories

Author: Masayasu Harada

Publisher: World Scientific

Published: 2008

Total Pages: 439

ISBN-13: 9812790756

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This volume includes discussion on new dynamical features in the light of (deconstruted/latticized) extra dimensions, holographic QCD, Moose/hidden local symmetry, and so on. New insights into the QCD as a prototype of strong coupling gauge theories as well as in its own right, particularly in hot and dense matter are included. Sample Chapter(s). The String in an Excited Baryon (230 KB). Contents: The String in an Excited Baryon (G ''t Hooft); Mesons and Baryons from String Theory (S Sugimoto); Toy Model for Mixing of Two Chiral Nonets (A H Fariborz et al.); Strongly Interacting Matter at RHIC (C Nonaka); QED Corrections to Hadron and Quark Masses (Y Namekawa); Little Higgs M-Theory (H-C Cheng); Toward a Top-Mode ETC (H Fukano & K Yamawaki); On Cyclic Universes (P H Frampton); Large Gauge Hierarchy in GaugeOCoHiggs Unification (K Takenaga); Partially Composite Two Higgs Doublet Model (P Ko); and other papers. Readership: Graduate students, academics and researchers in theoretical particle physics."


Perspectives on Lhc Physics

Perspectives on Lhc Physics

Author: G. L. Kane

Publisher: World Scientific

Published: 2008

Total Pages: 352

ISBN-13: 9812779760

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The Large Hadron Collider (LHC), located at CERN, Geneva, Switzerland, is the world's largest and highest energy and highest intensity particle accelerator. Here is a timely book with several perspectives on the hoped-for discoveries from the LHC.This book provides an overview on the techniques that will be crucial for finding new physics at the LHC, as well as perspectives on the importance and implications of the discoveries. Among the accomplished contributors to this book are leaders and visionaries in the field of particle physics beyond the Standard Model, including two Nobel Laureates (Steven Weinberg and Frank Wilczek), and presumably some future Nobel Laureates, plus top younger theorists and experimenters. With its blend of popular and technical contents, the book will have wide appeal, not only to physical scientists but also to those in related fields.


Strong Coupling Gauge Theories in LHC Era

Strong Coupling Gauge Theories in LHC Era

Author: H. Fukuya

Publisher: World Scientific

Published: 2011

Total Pages: 459

ISBN-13: 9814329525

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The purpose of the Workshop is to have intensive discussions on both theoretical and phenomenological aspects of strong coupling gauge theories (SCGTs), with particular emphasis on the model buildings to be tested in the LHC experiments. Dynamical issues are discussed in lattice simulations and various analytical methods. This proceedings volume is a collection of the presentations made at the Workshop by many leading scientists in the field.


Origin Of Mass And Strong Coupling Gauge Theories, The (Scgt06) - Proceedings Of The 2006 International Workshop

Origin Of Mass And Strong Coupling Gauge Theories, The (Scgt06) - Proceedings Of The 2006 International Workshop

Author: Koichi Yamawaki

Publisher: World Scientific

Published: 2008-01-09

Total Pages: 439

ISBN-13: 9814475475

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This volume includes discussion on new dynamical features in the light of (deconstruted/latticized) extra dimensions, holographic QCD, Moose/hidden local symmetry, and so on. New insights into the QCD as a prototype of strong coupling gauge theories as well as in its own right, particularly in hot and dense matter are included.