Search for scalar and vector leptoquarks decaying into quarks and leptons of different generations / Volker Andreas Austrup. Wuppertal, [2022]
Inhalt
- Introduction
- Standard Model of Particle Physics
- Leptoquarks in Beyond Standard Model Theories
- The ATLAS Detector at the Large Hadron Collider
- Simulation of Proton-Proton Collisions
- Event Reconstruction
- Tracks and Vertices
- Electrons
- Muons
- Jets
- Flavour Tagging
- Missing Transverse Momentum
- Overlap Removal
- Jet Reclustering
- Derived Variables
- Data and Simulated Event Samples
- Event Categorisation
- Baseline Event Selection
- Kinematic Top Reweighting
- Separation Between Signal and Background Processes
- Background Estimation
- Systematic Uncertainties
- Statistical Techniques
- Results of the Statistical Analysis
- Background Normalisation
- Nuisance Parameters
- Post-Fit Distributions
- Exclusion Limits
- Comparison with Other Leptoquark Searches
- Towards a Statistical Combination of Leptoquark Searches
- Conclusion and Outlook
- Appendix
- Neural Network Input Variables in the Training Region
- Correlations between Input Variables
- Pre-Fit Neural Network Output Distributions in the Training Region
- Neural Network Input Variables in Control Regions
- Post-Fit Neural Network Output Distributions in the Signal Region
- Bibliography