Contents
Chapter 1Introduction(1)
Chapter 2Theoretical review(3)
21Standard model(3)
22W Boson production at LHCb(23)
23Parton shower and hadronization(37)
24Monte carlo event generators(39)
25σW→lν and Al+ measurements at GPDs(40)
Chapter 3Experimental environment(44)
31LHC(44)
32LHCb(47)
Chapter 4Event processing at LHCb(63)
41Track reconstruction(63)
42Primary vertex reconstruction(69)
43Particlei dentification(71)
44LHCb trigger(78)
45LHCb stripping(82)
46LHCb software(82)
Chapter 5σW→μνμ measurement at LHCb(85)
51Signal and background processes(85)
52Track preselection requirements(87)
53PseudoW data sample(92)
54Candidat eselection cuts(93)
55Templates in the fit(99)
56Fit results(114)
57Muon track detector efficiency(117)
58Muon track selection efficiency(128)
59Muon track acceptance efficiency(129)
510Final state radiation(130)
511σW→μνμ determination(131)
512σW→μνμ ratio(139)
513σW→μνμ charge asymmetry(141)
514σW→μνμ theoretical predictions(142)
515Comparing LHCb results with ATLAS(149)
Chapter 6Conclusion(154)
Bibliography(156)