Search for New Phenomena in Dijet Angular Distributions at √s = 8 and 13 TeV

Part I. Introduction: The Thesis, The Standard Model, and The Experiment

1. Preamble
Lene Kristian Bryngemark

2. The Standard Model and Beyond
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3. The Large Hadron Collider
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4. The ATLAS Experiment
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Part II. Jets

5. Calorimetry
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6. Jet Finding
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7. Pile-Up in Jets
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Part III. Dijet Angular Distributions as a Probe of BSM Phenomena

8. Dijet Measurements
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9. Signal Model Sample Generation
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10. Analysis of Angular Distributions at



$$sqrt{s}= 8 and 13 TeV
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11. Results
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12. Conclusions and Outlook
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Avainsanat: Physics, Elementary Particles, Quantum Field Theory, Theoretical, Mathematical and Computational Physics, Cosmology