Contents

• Contents
• Introduction
  • The World and what Physics knows of it
  • Structure of Matter
  • Thesis Overview
• The Charged Current Process
  • Introduction
  • Parton Density Functions
  • Photoproduction
  • Event Kinematics Reconstruction
    • Forward Muon Chamber
    • Vetowall and C5 Detector
    • Luminosity Detector
• Event Simulation
  • Introduction
  • Monte Carlo Simulation
  • Measurement of Event Kinematics
  • Detector Resolution
• Charged Current Event Selection
  • Introduction
  • The ZEUS Trigger and Data Acquisition System
    • First Level Trigger
    • Second Level Trigger
    • Third Level Trigger
    • Reconstruction
  • Trigger Selection of Charged Current Events
  • Trigger Rejection of Non Positron-Proton Collision Events
    • Cuts based on Timing
• Charged Current Event Selection
  • Introduction
  • The ZEUS Trigger and Data Acquisition System
    • First Level Trigger
    • Second Level Trigger
    • Third Level Trigger
    • Reconstruction
  • Trigger Selection of Charged Current Events
  • Trigger Rejection of Non Positron-Proton Collision Events
    • Cuts based on Timing
  • Offline Cosmic and Halo Muon Rejection
  • Vertex Cut
  • Background from Neutral Current Events
  • Background from Photoproduction Events
  • Event Selection Summary
• Muon Finder
  • Introduction
  • The Muon Finder Algorithm
  • Muon Finder Input Data
    • UCAL Cells
    • Muon Chamber Tracks
    • Inner Tracks
  • Muon Bremsstrahlung
    • Muon Bremsstrahlung Shower in UCAL
    • Muon Bremsstrahlung Shower in a UCAL Wave Length Shifter
    • Muon Bremsstrahlung Showers leaking into the CTD
  • Program Initialization
  • VRML File Output
  • Muon Candidate Finders
    • Muon Energy Deposit Connected to FCAL Beampipe Energy Deposit
    • Muon Track Based Finder
    • Condensate Based Finder
    • Beampipe Halomuon Finder
    • Condensate Timing Based Finder
    • Final State Positron vs. a Shower in EMC
  • Trajectory Fits
    • Linear Regression Fit
    • Minimisation Fit
    • Candidate Velocity Fit
    • The Probability for a Muon Signal in a Cell
  • Muon Candidate Parameters and Classification
  • Summary
• Results
  • Charged Current Event Sample
  • Measurement of the Differential Cross Sections
  • Reconstruction of the True Distributions
  • Detector and Trigger Acceptance
  • Systematic Errors
    • Energy Scale
    • Luminosity
    • Background from Non e-p-Collision Events
    • Background from e-p Events
  • Statistical Errors
  • Results
  • Summary
• UCAL Readout
  • Introduction
  • Transmission Errors
    • Transmission Error Detection
    • Transmission Error Cause and Cure
    • Transmission Checks
    • Dedicated Link Tests
  • Exclusion from Readout by Event Builder
  • Features added to the Readout System
    • Readout of other Subdetectors
    • Testtrigger processing
    • Startup Procedures
    • UCAL Electronics Calibration
    • CAL-DAQ Monitoring Task
    • Speedups
    • Data Compression
    • Reverse Polish Notation Processor
    • Standalone Run-Control
    • Multiple DSP Code Types
    • Begin-Of-Run Data Banks
  • ``Event Player''
• UCAL Second Level Trigger
  • Introduction
  • Second Level Trigger Output
    • Spark Cut
    • Cosmic Up-Down Timing Cut
  • Speedups and Error Handling
    • Error Handling
    • Extend Processing on more Processors
    • Overlapped Processing
  • Enhancements
    • Monitor CALSLT Processing through TPM
    • Send CALSLT data through CAL-DAQ
  • ZGANA simulation
  • Standalone CALSLT
  • Simulated GSLT
• Global Second Level Trigger
  • Introduction
  • Standalone Simulation Environment
• Bibliography