Chapter 1 Introduction
Chapter 2 Theoretical review
2.1 Standard model
2.2 W Boson production at LHCb
2.3 Parton shower and hadronization
2.4 Monte carlo event generators
2.5 σw→ιυ and Aι+- measurements at GPDs
Chapter 3 Experimental environment
3.1 LHC
3.2 LHCb
Chapter 4 Event processing at LHCb
4.1 Track reconstruction
4.2 Primary vertex reconstruction
4.3 Particlei dentification
4.4 LHCb trigger
4.5 LHCb stripping
4.6 LHCb software
Chapter 5 σw→μυμ measurement at LHCb
5.1 Signal and background processes
5.2 Track pre-selection requirements
5.3 Pseudo-W data sample
5.4 Candidat eselection cuts
5.5 Templates in the fit
5.6 Fit results
5.7 Muon track detector efficiency
5.8 Muon track selection efficiency
5.9 Muon track acceptance efficiency
5.10 Final state radiation
5.11 σw→μυμ determination
5.12 σw→μυμ ratio
5.13 σw→μυμ charge asymmetry
5.14 σw→μυμ theoretical predictions
5.15 σw→μυμ Comparing LHCb results with ATLAS
Chapter 6 Conclusion
Bibliography
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