UNIGE document Doctoral Thesis
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Measurement of the inclusive electron cross-section from heavy-flavour decays and search for compressed supersymmetric scenarios with the ATLAS experiment

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Defense Thèse de doctorat : Univ. Genève, 2013 - Sc. 4550 - 2013/05/03
Abstract The first part of this thesis presents the measurement of the inclusive cross-section for electron production from heavy-flavour decays in the electron transverse momentum range 7 GeV < pT < 26 GeV using 1.3 pb−1 of 7 TeV proton-proton collision data collected by the ATLAS experiment at the Large Hadron Collider in 2010. The measured value of the cross-section within the fiducial range of the analysis is σ_e^HF = 0.946 ± 0.020(stat.) ± 0.146(syst.) ± 0.032(lumi.) μb. Theoretical predictions are in good agreement with the measurement. The second part of this thesis is a search for compressed supersymmetric scenarios in events with missing transverse energy, jets, and one isolated low-pT lepton in the final state using 4.7 fb-1 of ATLAS data collected at 7 TeV center-of-mass energy in 2011. No significant excess of events over the Standard Model expectation is observed and exclusion limits are derived for a number of supersymmetric models.
Keywords AtlasCernLhcSupersymmetrySusyHeavy-FlavourCross-SectionCompressedParticle PhysicsStandard ModelElectron
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URN: urn:nbn:ch:unige-304330
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BACKES, Moritz. Measurement of the inclusive electron cross-section from heavy-flavour decays and search for compressed supersymmetric scenarios with the ATLAS experiment. Université de Genève. Thèse, 2013. https://archive-ouverte.unige.ch/unige:30433

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Deposited on : 2013-10-16

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