Search for New Phenomena in Dijet Angular Distributions at √s = 8 and 13 TeV
Springer International Publishing (Verlag)
978-3-319-67345-5 (ISBN)
This thesis describes the use of the angular distributions of the most energetic dijets in data recorded by the ATLAS experiment, at CERN's Large Hadron Collider (LHC), the goal of which is to search for phenomena beyond what the current theory of Particle Physics (the Standard Model) can describe. It also describes the deployment of the method used in ATLAS to correct for the distortions in jet energy measurements caused by additional proton-proton interactions.
The thesis provides a detailed introduction to understanding jets and dijet searches at the LHC. The experiments were carried out at two record collider centre-of-mass energies (8 and 13 TeV), probing smaller distances than ever before. Across a broad momentum transfer range, the proton constituents (quarks and gluons) display the same kinematical behaviour, and thus still appear to be point-like. Data are compared to predictions corrected for next-to-leading order quantum chromodynamics (NLO QCD) as well aselectroweak effects, demonstrating excellent agreement. The results are subsequently used to set limits on parameters of suggested theoretical extensions to the Standard Model (SM), including the effective coupling and mass of a Dark Matter mediator.
Thesis Introduction.- The Standard Model and Beyond.-The Large Hadron Collider.- The Atlas Experiment.- Calorimetry.- Jet Finding.- Pile-up in Jets.- Dijet Measurements.- Signal Model Sample Generation.- Analysis of Angular Distributions at s = 8 and 13 Tev.- Results.- Conclusions and Outlook.
| Erscheinungsdatum | 03.02.2018 |
|---|---|
| Reihe/Serie | Springer Theses |
| Zusatzinfo | XVII, 173 p. 81 illus., 26 illus. in color. |
| Verlagsort | Cham |
| Sprache | englisch |
| Maße | 155 x 235 mm |
| Gewicht | 456 g |
| Themenwelt | Naturwissenschaften ► Physik / Astronomie ► Astronomie / Astrophysik |
| Naturwissenschaften ► Physik / Astronomie ► Atom- / Kern- / Molekularphysik | |
| Naturwissenschaften ► Physik / Astronomie ► Hochenergiephysik / Teilchenphysik | |
| Naturwissenschaften ► Physik / Astronomie ► Quantenphysik | |
| Naturwissenschaften ► Physik / Astronomie ► Relativitätstheorie | |
| Naturwissenschaften ► Physik / Astronomie ► Theoretische Physik | |
| Schlagworte | 13 TeV ATLAS Dijet Search • 8 TeV ATLAS Dijet Search • Cosmology • Dark Matter Mediator • Dijet Angular Distributions • Elementary Particles, Quantum Field Theory • Extensions to Standard Model • First 13 TeV Dijet Angular Distributions • Jet Area Method • Mathematical Physics • Physics • Physics and Astronomy • Pile-up in Jets at LHC • Quantum physics (quantum mechanics & quantum field • Quantum physics (quantum mechanics & quantum field • Relativity physics • Theoretical, Mathematical and Computational Physic |
| ISBN-10 | 3-319-67345-9 / 3319673459 |
| ISBN-13 | 978-3-319-67345-5 / 9783319673455 |
| Zustand | Neuware |
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