Atlay, Naim Bora: Differentiating top-quark - photon coupling: inclusive and differential cross-section measurements of top-quark pair production in association with a photon [...]Messungen der inklusiven und differentiellen Wirkungsquerschnitte der Entstehung des Top-Quark-Paares unter Photonbeteiligung im Einzel-Leptonen-Kanal [...]. 2017
Inhalt
- Abstract
- Zusammenfassung
- Contents
- List of Figures
- List of Tables
- 1 Introduction
- 2 The top-quark at hadron colliders
- 2.1 Top-quark production
- 2.2 Top-quark decay
- 2.3 Top-quark properties
- 2.4 Top-quark pair production in association with a photon
- 3 Experimental Apparatus
- 4 Physical Objects
- 4.1 Jets
- 4.2 Electrons
- 4.3 Muons
- 4.4 Photons
- 4.5 Missing Transverse Energy
- 4.6 Data sample
- 4.7 Simulated samples
- 5 Event selection
- 6 Strategy of the measurement
- 6.1 Photon isolation as a discriminator
- 6.2 Signal background distinction
- 6.3 Construction of the template fit
- 6.4 Cross section definitions
- 6.5 Definition of the inclusive cross section
- 6.6 Definition of the fiducial phase space
- 6.7 Definition of the signal acceptance and correction
- 6.8 Definition of the differential cross section
- 6.9 Optimisation of differential binning
- 7 Extraction of templates and estimation ofbackgrounds
- 7.1 Prompt photon template
- 7.2 Template for photons faked by hadrons
- 7.3 Estimation of backgrounds with prompt photons
- 8 Systematic uncertainties
- 9 Theoretical Prediction
- 10 Results
- 11 Summary and outlook
- Appendices
- Bibliography