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Electroweak Precision Tests at LEP

Author: Wolfgang Hollik

Publisher: Springer

Published: 2013-10-03

Total Pages: 162

ISBN-13: 9783662156551

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This review gives a brief discussion of the structure of the Standard Model and its quantum corrections for testing the electroweak theory at current and future colliders. The predictions for the vector boson masses, neutrino scattering cross sections, and the Z resonance observables such as the width of the Z resonance, partial widths, effective neutral current coupling constants and mixing angles at the Z peak, are presented. Recent experimental data and their implications for the present status of the Standard Model are compared. Finally, the question of how virtual new physics can influence the predictions for the precision observables and the minimal supersymmetric standard model (MSSM) as a special example of particular theoretical interest are discussed.

Book Synopsis Electroweak Precision Tests at LEP by : Wolfgang Hollik

Download or read book Electroweak Precision Tests at LEP written by Wolfgang Hollik and published by Springer. This book was released on 2013-10-03 with total page 162 pages. Available in PDF, EPUB and Kindle. Book excerpt: This review gives a brief discussion of the structure of the Standard Model and its quantum corrections for testing the electroweak theory at current and future colliders. The predictions for the vector boson masses, neutrino scattering cross sections, and the Z resonance observables such as the width of the Z resonance, partial widths, effective neutral current coupling constants and mixing angles at the Z peak, are presented. Recent experimental data and their implications for the present status of the Standard Model are compared. Finally, the question of how virtual new physics can influence the predictions for the precision observables and the minimal supersymmetric standard model (MSSM) as a special example of particular theoretical interest are discussed.

Precision Tests of Electroweak Gauge Theory in the SLC/LEP Era

Author: Dallas Clarence Kennedy

Publisher:

Published: 1989

Total Pages: 300

ISBN-13:

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Book Synopsis Precision Tests of Electroweak Gauge Theory in the SLC/LEP Era by : Dallas Clarence Kennedy

Download or read book Precision Tests of Electroweak Gauge Theory in the SLC/LEP Era written by Dallas Clarence Kennedy and published by . This book was released on 1989 with total page 300 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Precision Tests Of The Standard Electroweak Model

Author: Paul G Langacker

Publisher: World Scientific

Published: 1995-02-23

Total Pages: 1032

ISBN-13: 9814602817

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High precision measurements of weak neutral current and charged current processes and of the properties of the Z and W bosons have established the standard electroweak model as correct down to a distance scale of 10-16 cm, and are a sensitive probe of possible underlying physics. In this book, all aspects of the program are considered in detail, including the structure of the standard model, radiative corrections, high precision experiments, and their implications. The major classes of experiments are surveyed, covering the experiments themselves, the data analysis, results, and prospects.This volume is a detailed reference for theoretical and experimental researchers, as well as an introductory text for advanced students.

Book Synopsis Precision Tests Of The Standard Electroweak Model by : Paul G Langacker

Download or read book Precision Tests Of The Standard Electroweak Model written by Paul G Langacker and published by World Scientific. This book was released on 1995-02-23 with total page 1032 pages. Available in PDF, EPUB and Kindle. Book excerpt: High precision measurements of weak neutral current and charged current processes and of the properties of the Z and W bosons have established the standard electroweak model as correct down to a distance scale of 10-16 cm, and are a sensitive probe of possible underlying physics. In this book, all aspects of the program are considered in detail, including the structure of the standard model, radiative corrections, high precision experiments, and their implications. The major classes of experiments are surveyed, covering the experiments themselves, the data analysis, results, and prospects.This volume is a detailed reference for theoretical and experimental researchers, as well as an introductory text for advanced students.

Electroweak Physics at LEP and LHC

Author: Arno Straessner

Publisher: Springer

Published: 2010-03-14

Total Pages: 222

ISBN-13: 3642051693

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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. This is an open access book.

Book Synopsis Electroweak Physics at LEP and LHC by : Arno Straessner

Download or read book Electroweak Physics at LEP and LHC written by Arno Straessner and published by Springer. This book was released on 2010-03-14 with total page 222 pages. Available in PDF, EPUB and Kindle. Book excerpt: 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. This is an open access book.

Precision Tests of Electroweak Theory

Author:

Publisher:

Published: 1992

Total Pages: 10

ISBN-13:

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Book Synopsis Precision Tests of Electroweak Theory by :

Download or read book Precision Tests of Electroweak Theory written by and published by . This book was released on 1992 with total page 10 pages. Available in PDF, EPUB and Kindle. Book excerpt:

Electroweak Precision Measurement with Leptons

Author:

Publisher:

Published: 1999

Total Pages: 5

ISBN-13:

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The precision measurements of lepton electroweak parameters at SLD and LEP are reviewed and discussed. The updated SLD weak mixing angle measurement from ALR and the lepton left-right forward-backward asymmetries is sin2 [theta]{sup eff}/W = 0.23099 ± 0.00026, and the combined SLD/LEP lepton-based value is 0.23119 ± 0.00020. This value differs by over 3[sigma] from the comparable quark-based value.

Book Synopsis Electroweak Precision Measurement with Leptons by :

Download or read book Electroweak Precision Measurement with Leptons written by and published by . This book was released on 1999 with total page 5 pages. Available in PDF, EPUB and Kindle. Book excerpt: The precision measurements of lepton electroweak parameters at SLD and LEP are reviewed and discussed. The updated SLD weak mixing angle measurement from ALR and the lepton left-right forward-backward asymmetries is sin2 [theta]{sup eff}/W = 0.23099 ± 0.00026, and the combined SLD/LEP lepton-based value is 0.23119 ± 0.00020. This value differs by over 3[sigma] from the comparable quark-based value.

Precision Electroweak Physics at Electron-Positron Colliders

Author: Stefan Roth

Publisher: Springer

Published: 2007-04-16

Total Pages: 181

ISBN-13: 3540351655

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This book reviews recent contributions of electron positron colliders to the precision test of the electroweak Standard Model. It includes a short summary of the measurements at the Z resonance and gives an overview of the electroweak processes above the Z. Subsequently, measurements of the W mass at LEP are discussed in detail. Late chapters offer an outlook on electroweak physics at the future LHC. Also features many illustrations and tables.

Book Synopsis Precision Electroweak Physics at Electron-Positron Colliders by : Stefan Roth

Download or read book Precision Electroweak Physics at Electron-Positron Colliders written by Stefan Roth and published by Springer. This book was released on 2007-04-16 with total page 181 pages. Available in PDF, EPUB and Kindle. Book excerpt: This book reviews recent contributions of electron positron colliders to the precision test of the electroweak Standard Model. It includes a short summary of the measurements at the Z resonance and gives an overview of the electroweak processes above the Z. Subsequently, measurements of the W mass at LEP are discussed in detail. Late chapters offer an outlook on electroweak physics at the future LHC. Also features many illustrations and tables.

'96 Electroweak Interactions and Unified Theories

Author: J. Thanh Van Tran

Publisher: Atlantica Séguier Frontières

Published: 1996

Total Pages: 536

ISBN-13: 9782863322055

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Book Synopsis '96 Electroweak Interactions and Unified Theories by : J. Thanh Van Tran

Download or read book '96 Electroweak Interactions and Unified Theories written by J. Thanh Van Tran and published by Atlantica Séguier Frontières. This book was released on 1996 with total page 536 pages. Available in PDF, EPUB and Kindle. Book excerpt:

60 Years Of Cern Experiments And Discoveries

Author: Herwig Schopper

Publisher: World Scientific

Published: 2015-07-13

Total Pages: 452

ISBN-13: 9814644161

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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.

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.

Hadron Structure in Electroweak Precision Measurements

Author: Nathan L. Hall

Publisher: Springer

Published: 2015-07-24

Total Pages: 127

ISBN-13: 3319202219

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This thesis examines the γZ box contribution to the weak charge of the proton. Here, by combining recent parity-violating electron-deuteron scattering data with our current understanding of parton distribution functions, the author shows that one can limit this model dependence. The resulting construction is a robust model of the γγ and γZ structure functions that can also be used to study a variety of low-energy phenomena. Two such cases are discussed in this work, namely, the nucleon’s electromagnetic polarizabilities and quark-hadron duality. By using phenomenological information to constrain the input structure functions, this important but previously poorly understood radiative correction is determined at the kinematics of the parity-violating experiment, QWEAK, to a degree of precision more than twice that of the previous best estimate. A detailed investigation into available parametrizations of the electromagnetic and interference cross-sections indicates that earlier analyses suffered from the inability to correctly quantify their model dependence.

Book Synopsis Hadron Structure in Electroweak Precision Measurements by : Nathan L. Hall

Download or read book Hadron Structure in Electroweak Precision Measurements written by Nathan L. Hall and published by Springer. This book was released on 2015-07-24 with total page 127 pages. Available in PDF, EPUB and Kindle. Book excerpt: This thesis examines the γZ box contribution to the weak charge of the proton. Here, by combining recent parity-violating electron-deuteron scattering data with our current understanding of parton distribution functions, the author shows that one can limit this model dependence. The resulting construction is a robust model of the γγ and γZ structure functions that can also be used to study a variety of low-energy phenomena. Two such cases are discussed in this work, namely, the nucleon’s electromagnetic polarizabilities and quark-hadron duality. By using phenomenological information to constrain the input structure functions, this important but previously poorly understood radiative correction is determined at the kinematics of the parity-violating experiment, QWEAK, to a degree of precision more than twice that of the previous best estimate. A detailed investigation into available parametrizations of the electromagnetic and interference cross-sections indicates that earlier analyses suffered from the inability to correctly quantify their model dependence.