Inhalt

•  
   Leere Seite
•  
   I Introduction
•  
   II The Theory of Particle Physics
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  The Standard Model
•  
   General Introduction
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   Electroweak Theory
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   The Higgs Mechanism
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   Quantum Chromodynamics
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   Experimental Success of the Standard Model
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   Limitations of the Standard Model
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   Supersymmetry
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   Phenomenology of the MSSM
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   Higgs Mass Corrections
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   Supersymmetric Models
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   Bino LSP
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   Higgsino LSP
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   Well-tempered Neutralino LSP
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  Event Simulation
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   Simulation of pp Collisions
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   Factorisation Theorem
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   Matrix Element
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   Parton Shower
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   Matching and Merging
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   Hadronisation
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   Underlying Event and Pile-Up
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   ATLAS Detector Simulation
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  Statistical Techniques
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   Unfolding
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   Hypothesis Testing and Profile Likelihood Fit
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   Boosted Decision Trees
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   III The ATLAS Experiment at the Large Hadron Collider
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   The Large Hadron Collider
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   The ATLAS Experiment
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   ATLAS Coordinate System
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   Inner Detector
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   Calorimeters
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   Muon Spectrometer
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   Magnets
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   Luminosity Measurement
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  Trigger System
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   Minimum Bias Trigger
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   Data Quality
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  Event Reconstruction
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   Tracks and Primary Vertex
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   Electrons
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   Muons
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   Jets
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   Flavour Tagging
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   Hadronically Decaying Leptons
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   Missing Transverse Momentum
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   Overlap Removal
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   IV Charged-particle Measurements
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   Introduction
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  Event Selection
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   Data and Monte Carlo Samples
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   Event Selection
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   Background Estimation
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   Trigger and Vertex Reconstruction Efficiency
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   Track Reconstruction Efficiency
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  Correction Procedure
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   Detailed Unfolding Procedure
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   Closure Tests
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   Systematic Uncertainties
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  Results and Outlook
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   Results
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   Summary and Comparison
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   V Search for Supersymmetry
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  Introduction
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   Simplified Supersymmetric Model
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   Basic Strategy
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  Common Analysis Strategy
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   Data and Simulated Samples
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   Preselection
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   Variables Separating between Signal and Background
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   Systematic Uncertainties
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   Experimental Systematic Uncertainties
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   Theoretical Systematic Uncertainties
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   Intermediate Top Squark Masses
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   Optimisation Algorithm
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   tN_med Signal Region
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   Background Estimation
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   Control Regions
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   Validation Regions
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   Impact of Systematic Uncertainties
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   Results
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   Combination
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  Compressed Region
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   Analysis Strategy
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   Training of the BDT
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   Background Estimation
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   Validation
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   Validation with 2L and 1L1 Selections
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   Summary of the BDT Validation
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   Impact of Systematic Uncertainties
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   Fit Setup
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   Results
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   Comparison to Similar Search Regions
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   Low Mass BDT
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   Comparison of the Full Result
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   VI Conclusion
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   Appendix
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  Monitoring for the IBL Detector
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   Cross-talk Scan
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   Quick Status – A Monitoring Tool
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  Charged-particle Measurements
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   Closure Tests
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   Comparison Including Strange Baryons
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   Comparison with Other Generators
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  Search for Supersymmetry
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   Preselection Plots for tN_med
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   Control Region Plots for tN_med
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   Validation Region Plots for tN_med
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   Modelling in the tN_med Signal Region
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   Combination of tN_med and the bCsoft Selections
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   Preselection Plots for the Compressed Signal Region
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  Validation Plots
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   VR for Discovery Fit Setup
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   Validation Plots for Low BDT Values
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   Profile Plots
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   Correlation Plots for BDT Input Variables
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   JES Dependence of the BDT Fit
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   Results for Low Mass BDT
•  
   Bibliography
•  
   Acknowledgements