Edward G. Heflin

Welcome to: 

• Table Of Contents
• List Of Figures
• Abstract
• Introduction
  • Elementary Particles
  • Fundamental Interactions
  • Neutrino Counting
    • Neutrino Limits - Historical
    • Neutrino Limits - LEP
    • Invisible Width Method
    • Single Photon Counting
  • Thesis Overview
• Theoretical Background
  • Theory of Neutrino Counting
  • The Invisible Width Method
  • The Single Photon Counting Method
    • The Lowest Order Cross-Section
    • Single Photon Spectra
• Experimental Apparatus
  • The LEP collider
  • The OPAL Detector
    • Beam Pipe and Magnet
    • Central Tracking Systems
    • The Barrel Time-of-Flight System
    • Electromagnetic Presampler
    • Electromagnetic Calorimeters
    • Hadronic Calorimeters
    • Muon Detectors
    • Forward Detectors
  • The Luminosity Measurement
• The OPAL Data Environment
  • The Data Acquisition Flow
    • Subdetector Signals
    • Event Builder
    • Filter
    • Event Reconstruction
    • Data Storage and Distribution
    • Software Control and Monitoring
  • The Trigger
    • Subdetector Triggers
    • The q-f Matrix
    • The Central Trigger
  • The Single Photon Trigger
    • Trigger Implementation
  • Filter and Reconstruction
  • Data Storage and Distribution
  • Event Display
• The OPAL Monte Carlo Environment
  • Monte Carlo Generation
  • Electroweak Effects in Monte Carlos
  • Electroweak Monte Carlo Generators
    • The NNG04 Monte Carlo
    • The TEEGG Monte Carlo
    • The RADCOR Monte Carlo
    • The TWOGEN Monte Carlo
    • The VERMAS Monte Carlo
    • The KORALZ Monte Carlo
    • The BABAMC Monte Carlo
  • The OPAL Detector Simulation
    • Performance of the Detector Simulation
• The Single Photon Signal and Selection
  • Single Photon Selection in the Barrel
    • Event Quality and Acceptance Criteria
    • The Cluster Size Criterion
    • The Second Cluster Veto Criterion
    • The Central Detector Veto Criterion
    • The Forward Detector Veto Criterion
    • The Presampler Match Criterion
    • The Muon Chamber and HCAL Veto Criteria
    • The Single Photon Events in the Barrel
  • Single Photon Selection in the Endcap
    • Study of the Endcap Single Photon Acceptance
    • The Results of the Simulation Corrected Four-Vectors Study in the Endcap
• The Single Photon Energy Loss and Resolution
  • Single Photon Energy Loss and Resolution
  • The Single Electron Sample
  • Single Electron Energy Loss and Resolution
• Single Photon Efficiencies
  • Trigger Efficiencies
  • Single Photon Selection Efficiencies
  • Veto Efficiencies
  • The Overall Efficiency
• Singele Photon Backgrounds
  • Simulation of Single Photon Backgrounds
  • The Bhabha Background
  • The Cosmic and Beam Related Background
  • Total Backgrounds
• Results and Conclusions
  • Two Single Photon Samples
  • Systematic Errors
  • The 1991 Measurement of Nn and GZ0inv
  • The Combined Measurement of Nn and GZ0inv
  • Conclusions
• Guage Theories
  • The Structure of Gauge Symmetry Theories
    • Feynmann Rules
    • The Invariant Amplitude
• The Standard Model
  • The Glashow-Salam-Weinberg Model (GSW)
    • The Electroweak Interaction Energy
    • Electroweak Mass Terms
    • Electroweak Feynman Rules
    • The Z0 Coupling to Fermion Pairs
  • Quantum Chromodynamics (QCD)
    • The Running Strong Coupling Constant as
    • Fragmentation
    • The Z0 Coupling to Quark Pairs
  • The Future of the Standard Model
• Radiative Corrections
  • QED Corrections
  • Weak Corrections
    • Propagator Corrections
    • Photon Exchange
    • Z0 Boson Exchange
    • gZ0 Mixing
    • Vertex Corrections
    • Box Corrections
  • Improved Born Approximation
• Bibliogarphy

Edward G. Heflin. ©2001. All rights reserved.