Measurement of the Z boson cross-section in - Harvard University ...

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Acknowledgments xiv mate Niels van Eldik was seminal in my understanding of how muon reconstruction works. Matthias Schott has been a great friend and colleague over five years; I have borrowed a number of ideas from his graduate work on Z cross-section measurement. My sincere thanks goes to all of these individuals. Finally, I thank my mother for all her patience, hard work and unfailing emotional support in times good and bad. This thesis is dedicated to her.
Chapter 1 Introduction and Theoretical Overview 1.1 Introduction The long-awaited Large Hadron Collider (LHC) at CERN is now operational. ATLAS and CMS, the two general-purpose experiments at the LHC, are set up to probe the fundamental laws of physics at the multi-TeV energy scale, corresponding to a distance scale of 10 −19 m. The vast amount of experimental data collected by numerous high-energy physics experiments during the 20th century is well explained by the Standard Model of particle physics. Unifying the electromagnetic, the weak and the strong interactions, this theory has stood a wealth of tests over a large range of energy scales. The theory of strong interactions, Quantum Chromodynamics (QCD), has proven more difficult to test precisely than the electroweak theory. Because the strong coupling grows large at small momentum transfers, perturbative calculations become inapplicable at low energies and non-perturbative methods must be used (see Section 1.2 below). Nevertheless, measurements to date have shown no significant divergence from QCD 1
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Appendix A: Event list 245 Candidat
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Appendix A: Event list 247 Candidat
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Appendix B: Comparison of muon curv
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Bibliography 251 [13] S. Ask. Statu
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Bibliography 253 [44] S. Frixione,
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Bibliography 255 [75] N. E. Adam an
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