Next:
1 Introduction
1 Introduction
2 The Top Quark in the Standard Model
2.1 A Brief Tour of the Standard Model
2.2 Why Top Must Exist
2.2.1 Anomalies
2.2.2
Mixing
2.2.3 Forward-Backward Asymmetry in
2.2.4 Bottom Decays
2.3 Top Production and Decay
2.4 Lepton + Jets Decays
2.5 Experimental Searches for Top
2.5.1 Mass Limits
2.5.2 Standard Model Predictions
2.5.3 Observations
3 Experimental Apparatus
3.1 Coordinate Systems
3.2 Of Luminosities and Cross Sections
3.3 The Beam
3.4 DØ Overview
3.5 Central Detector
3.5.1 Drift Chamber Principles
3.5.2 Vertex Chamber
3.5.3 Central Drift Chamber
3.5.4 Forward Drift Chambers
3.5.5 Transition Radiation Detector
3.5.6 Central Detector Readout
3.6 Calorimetry
3.6.1 Calorimetry Principles
3.6.2 Calorimeter Geometry
3.6.3 Calorimeter Readout
3.6.4 Calorimeter Performance
3.7 Muon System
3.7.1 WAMUS System
3.7.2 SAMUS System
3.8 Triggering and Readout
3.8.1 Level 1
Level 0
Main Ring Vetoes
Calorimeter Trigger
Muon Trigger
3.8.2 Level 2
3.9 Host Processes
3.9.1 Run Control
3.9.2 Data Logging
3.9.3 Downloading
3.9.4 Monitoring
3.10 Offline Data Processing
4 Reconstruction and Particle ID
4.1 The Reconstruction Program
4.2 Vertex Finding
4.3 Electron Identification
4.3.1 Candidate Construction
4.3.2 Selection Cuts
4.3.3 Electron Energy Corrections
4.4 Muon Identification
4.4.1 Candidate Construction
4.4.2 Selection Cuts
4.5 Jet Reconstruction
4.5.1 Cone Jet Algorithm
4.5.2 Jet Corrections
4.6 Missing Energy Reconstruction
4.6.1 Definition of Missing Transverse Energy
4.6.2 Corrections
5 Selection Cuts and Background Calculation
5.1 Event Simulation
5.1.1 Signal Simulation
5.1.2 W + jets Background Simulation
5.2 Summary of Dilepton Channels
5.3 Lepton + Jets Channels
5.3.1 Topological Analysis
5.3.2 Tagging Analysis
5.4 Significance and Cross Section
6 Mass Fitting
6.1 Introduction
6.2 Final Jet Corrections
6.2.1 Out-Of-Cone Correction
6.2.2 Tagged Jet Correction
6.3 Fitting Algorithm
6.3.1 Fit Variables
6.3.2 Jet Permutations
6.3.3 Constrained Fit
6.3.4 Solution Averaging
6.4 Parton-Level Tests
6.5 Tests With Full Detector Simulation
6.6 Summary
7 Likelihood Fitting
7.1 Resolution Functions
7.1.1 Smoothing
7.1.2 Interpolation of Signal Resolution Functions
7.2 Maximum Likelihood Fit
7.2.1 Derivation of the Likelihood Function
7.2.2 Fit Procedure
7.2.3 Multiple Channels
7.3 Monte Carlo Tests
8 Data Analysis
8.1 Final Background Model
8.2 Fitting the Data
8.3 Significance Tests
8.3.1 Confidence Limits
8.3.2 Likelihood Ratio
8.4 Systematic Error
8.4.1 Jet Scale Error
8.4.2 Other Systematic Errors
8.5 Consistency with the Standard Model
9 Summary and Conclusions
A Constrained Fit Details
A.1 Basic Fitting Algorithm
A.1.1 Definitions
A.1.2 Fit
A.1.3
Calculation
A.1.4 Convergence
A.1.5 Error Propagation
A.1.6 Pull Functions
A.1.7 Cut Steps
A.1.8 Directed Steps
A.1.9 Summary of Fitting Algorithm
A.2 Evaluation of Constraint Functions
B Candidate Details
B.1 Electron + Jets Candidates
B.2 Muon + Jets Candidates
B.3 Electron + Jets + Tag Candidates
B.4 Muon + Jets + Tag Candidates
References
About this document ...
Scott Snyder
Fri May 19 19:19:46 CDT 1995
Mixing
Calculation