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Discovery and Measurement of the Higgs Boson in the WW Decay Channel

  • Book
  • © 2015

Overview

Authors:
  1. David Hall

    1. Denys Wilkinson Building, University of Oxford, Oxford, United Kingdom

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  • Nominated as an outstanding PhD thesis by the University of Oxford, UK
  • Describes the most precise measurement of the gluon fusion Higgs boson production cross section achieved during Run-I of the Large Hadron Collider
  • Presents new methods for evaluating uncertainties introduced by jet vetoes and jet binning
  • Provides an excellent introduction to Higgs physics and its status following the discovery and measurement of the Higgs boson
  • Includes supplementary material: sn.pub/extras

Part of the book series: Springer Theses (Springer Theses)

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Table of contents (10 chapters)

  1. Front Matter

    Pages i-xx
    Download chapter PDF

  2. Introduction and Theoretical Motivation

    • David Hall
    Pages 1-14

  3. Computational Techniques for the LHC

    • David Hall
    Pages 15-27

  4. The ATLAS Experiment

    • David Hall
    Pages 29-40

  5. Overview of the \(H\rightarrow \textit{WW}\) Analysis

    • David Hall
    Pages 41-69

  6. Signal Modelling

    • David Hall
    Pages 71-85

  7. WW Measurement and Modelling

    • David Hall
    Pages 87-104

  8. Other Backgrounds

    • David Hall
    Pages 105-128

  9. Experimental Results

    • David Hall
    Pages 129-144

  10. Status of Higgs Physics

    • David Hall
    Pages 145-156

  11. Conclusions

    • David Hall
    Pages 157-158

  12. Back Matter

    Pages 159-160
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Keywords

About this book

This thesis describes the stand-alone discovery and measurement of the Higgs boson in its decays to two W bosons using the Run-I ATLAS dataset. This is the most precise measurement of gluon-fusion Higgs boson production and is among the most significant results attained at the LHC. The thesis provides an exceptionally clear exposition on a complicated analysis performed by a large team of researchers. Aspects of the analysis performed by the author are explained in detail; these include new methods for evaluating uncertainties on the jet binning used in the analysis and for estimating the background due to associated production of a W boson and an off-shell photon. The thesis also describes a measurement of the WW cross section, an essential background to Higgs boson production. The primary motivation of the LHC was to prove or disprove the existence of the Higgs boson. In 2012, CERN announced this discovery and the resultant ATLAS publication contained three decay channels: gg, ZZ, and WW.

Authors and Affiliations

  • Denys Wilkinson Building, University of Oxford, Oxford, United Kingdom

    David Hall

About the author

David Hall obtained his DPhil degree at the University of Oxford whilst working on the ATLAS experiment at CERN. This research focussed on measuring the WW production cross section and searching for evidence of the Higgs boson. Following this, David moved into proton therapy research and spent a short time at the Particle Therapy Cancer Research Institute, Oxford. He is now a postdoctoral research fellow at Massachusetts General Hospital and Harvard Medical School, developing Monte Carlo simulation programs and treatment planning systems for proton therapy.

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