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Top-quark pair production cross-section measurements in the all-hadronic decay channel at the ATLAS experiment and hardware-based track reconstruction for the ATLAS trigger HL-LHC upgrade

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Defense Thèse de doctorat : Univ. Genève, 2021 - Sc. 5548 - 2021/02/25
Abstract As the heaviest particle of the Standard Model, the top quark is a key ingredient in both precision electroweak physics measurements and searches for new physics models. In this thesis are presented single- and double-differential cross-section measurements for the production of top-quark pairs in the resolved topology of the all-hadronic channel, using data collected by the ATLAS detector at the CERN LHC. Future prospects for the application of machine learning algorithms for the reconstruction of the ttbar all-hadronic system are also presented and validated. This thesis also includes work related to the upgrade program of the ATLAS trigger and data acquisition system for the High-Luminosity LHC. In particular, studies for the development of the hardware tracking for the trigger are presented.
Keywords Large Hadron ColliderLHCATLASCERNTop quarkCross sectionAll hadronic channelHardware Tracking for the TriggerFPGADSPHigh Bandwidth MemoryTriggerData acquisitionMachine learningNeural network
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URN: urn:nbn:ch:unige-1511445
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Thesis (9.8 MB) - public document Free access
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Research group Groupe Sfyrla
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POGGI, Riccardo. Top-quark pair production cross-section measurements in the all-hadronic decay channel at the ATLAS experiment and hardware-based track reconstruction for the ATLAS trigger HL-LHC upgrade. Université de Genève. Thèse, 2021. doi: 10.13097/archive-ouverte/unige:151144 https://archive-ouverte.unige.ch/unige:151144

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Deposited on : 2021-04-21

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