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T.J.Adye - DPhil Thesis
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T.J.Adye - DPhil Thesis
Contents
List of Tables
List of Figures
1. Production from the
2. The DELPHI Detector
2.1 The LEP Machine
2.2 Detector Overview
2.3 Tracking Detectors
2.3.1 Vertex Detector (VD)
2.3.2 Inner Detector (ID)
2.3.3 Time Projection Chamber (TPC)
2.3.4 Outer Detector (OD)
2.3.5 Forward Chambers A (FCA)
2.3.6 Forward Chambers B (FCB)
2.4 Ring Imaging Cherenkov Counters (RICH)
2.5 Calorimetry
2.5.1 High-density Projection Chamber (HPC)
2.5.2 Forward Electromagnetic Calorimeter (EMF)
2.5.3 Hadron Calorimeter (HAC)
2.6 Muon Chambers
2.6.1 Barrel Muon Chambers (MUB)
2.6.2 Forward Muon Chambers (MUF)
2.6.3 Surround Muon Chambers (MUS)
2.7 Scintillators
2.8 Luminosity Monitors
2.8.1 Small Angle Tagger (SAT)
2.8.2 Small Angle Tile Calorimeter (STIC)
2.8.3 Very Small Angle Tagger (VSAT)
2.9 Solenoid
2.10 Data Acquisition (DAS) and Trigger
2.11 Event Reconstruction
2.11.1 Offline Processing
2.11.2 Track Reconstruction
2.11.3 Beamspot
2.11.4 Muon Identification
2.12 Detector Simulation
3. Slow Controls
3.1 Introduction and Overview
3.2 Detector Requirements
3.2.1 General Principles
3.2.2 General Features
3.2.3 Barrel Tracking Detectors
3.2.4 Forward Tracking Chambers
3.2.5 Ring Imaging Cherenkov Counters (RICH)
3.2.6 Calorimetry
3.2.7 Muon Chambers
3.2.8 Scintillators
3.2.9 Luminosity Monitors
3.2.10 Other Systems
3.3 Front-end Systems (G64)
3.3.1 G64 Hardware
3.3.2 G64 Software
3.4 VAX Systems
3.4.1 Hardware
3.4.2 VAX System Software
3.5 VAX Monitoring and Control Programs
3.5.1 Elementary Process (EP)
3.5.2 Expert Interaction (HIPE)
3.6 Error Message Handling (EMU)
3.6.1 Use of EMU in DELPHI
3.6.2 EMU Display
3.7 Databases
3.7.1 Slow Controls Configuration Database
3.7.2 Status Update Database
3.8 High-level Representation (SMI)
3.8.1 Use of SMI in DELPHI
3.8.2 SMI Display
3.8.3 Big Brother
3.9 Ancillary Systems
3.9.1 Gas Systems
3.9.2 General Surveillance System (GSS)
3.9.3 Solenoidal Magnet
3.9.4 LEP Accelerator
3.10 Operations
3.10.1 Normal Operations
3.10.2 Dealing with Problems
3.11 Example
3.12 Experience
3.12.1 Particular Strengths of the System
3.12.2 Problems and Solutions
3.12.3 Re-evaluation of Past Decisions and Possible Future Improvements
3.13 Summary
4. A Measurement of the Mean B-Hadron Lifetime
4.1 Overview of Method
4.2 Analysis Program
4.2.1 Event Selection
4.2.2 Muon Identification
4.2.3 Initial Candidate Selection
4.2.4 Vertex Reconstruction
4.2.5 Intermediate Candidate Parameters
4.3 Candidate Selection
4.4 Fit Techniques
4.4.1 Fit Result Representation
4.4.2 Backgroundless Decay Time Fit
4.4.3 Mass Distribution Parameterization
4.5 B-Hadron Decay Times
4.6 Sample Composition
4.7 Lifetime Fit
4.7.1 Fit Results
4.7.2 Fit to Monte Carlo Data
4.8 Systematic Errors
4.9 Results and Interpretation
A. The DELPHI Collaboration
B. Track Parameterization
C. G64 crates and Elementary Processes
D. Fitting Methods
D.1 Unbinned Extended Maximum Likelihood Fit
D.2 Unbinned Maximum Likelihood Fit
D.3 Binned Maximum Likelihood Fit
D.4 Binned Fit
References
Tim Adye 2002-11-06
