Measurement of the t-channel single top quark production cross section with the ATLAS detector at s = 7 TeV / vorgelegt von Philipp Sturm. 2012
Inhalt
- The Top-Quark within the Standard Model
- The ATLAS Detector at the Large Hadron Collider
- The Large Hadron Collider
- The ATLAS Detector
- Superconducting Magnet System
- Inner Detector Tracking System
- Calorimetry
- Muon Spectrometer
- Luminosity Detectors
- Trigger and Data Acquisition
- LHC Commissioning and ATLAS Data Taking Performance
- Object Reconstruction
- Track and Vertex Reconstruction
- Charged Lepton Reconstruction
- Jet Reconstruction
- Missing Transverse Energy
- Top Quark Reconstruction
- Modelling of Signal and Background Processes
- Event Selection and Event Yield
- Candidate Event Classification
- Neural Networks
- Preprocessing of the Input Variables
- Neural Network Technique
- Training of the Neural Network
- Training Sample
- Discriminating Variables
- Input Variable Validation
- Result of the Neural Network Training
- Analysis
- Conclusion and Outlook
- QCD estimation and control distributions
- Comparison of the jet-electron event shapes in the tagged and pretag dataset
- Fitted ETmiss distributions in the electron channel
- Control distributions for the fit of the jet-electron model in the electron channel
- Fitted ETmiss distributions in the muon channel
- Control distributions for the fit of the jet-electron model in the muon channel
- Systematic Uncertainty Evaluation
- Validation of the Input Variables
- Discriminating Variables in the 2-Jet Pretag Channel
- Discriminating Variables in the 3-Jet Pretag Channel
- Input Variables Normalised to Fit Result
- Bibliography