CERN Accelerating science

ATLAS Theses

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Estimation of the electron charge misidentification background for the same-sign $WW$ measurement with the ATLAS detector at $\sqrt{s}=$ 13 TeV / Fernandez Pretel, Jose Antonio
Electron charge misidentification was the largest source of background in the $ee$ decay channel, and the third-largest background source in the all-inclusive leptonic $\ell\ell$ channel in the ATLAS measurement of electroweak production of same-sign $ W $ boson pairs in proton-proton collisions, ma [...]
CERN-THESIS-2020-394 - Freiburg im Breisgau : Albert-Ludwigs University of Freiburg, 2020-03-16. - 129 p.

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Upgrade of the ATLAS tracking detector in preparation for the High-Luminosity phase of the LHC : Planar pixel module characterisation and calibration for the current and future ATLAS inner tracker / Taibah, Reem Hani M
The LHC reached its original design in 2015 delivering center of mass energies of 13 TeV of proton collisions with instantaneous luminosity 1x10^34 cm^2s^-1 [...]
CERN-THESIS-2021-204 - Paris : University of Paris, 2021-10-29. - 231 p.

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Measurement of the top quark decay branching fraction ratio $R_b = {\cal B}(t \to Wb)/{\cal B}(t \to Wq)$ and of the inclusive production cross section $pp$ $\to$ $t\bar{t}$ in the dilepton channel at ATLAS / Leyko, Agnieszka
The top quark branching fraction ratio $R_b$ and the inclusive production cross section $\sigma_{t\bar{t}}$ are measured in the dilepton channel using 4.6 fb$^{−1}$ of proton-proton collisions at the centre-of-mass energy $\sqrt{s}$ = 7 TeV collected with the ATLAS detector at the Large Hadron Col [...]
CERN-THESIS-2020-375 - 177 p.

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Development of GPU-Accelerated Trigger Algorithms for the ATLAS Experiment at the LHC / Dos Santos Fernandes, Nuno
The ATLAS Experiment at the LHC, at CERN, is designed to detect several physical processes that happen when the particles collide [...]
CERN-THESIS-2021-192 - 81 p.

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A Measurement of the Production Cross Section of a Single Top Quark in Association with a $W$-boson at $\sqrt{s} = 13$TeV with the ATLAS Detector at the Large Hadron Collider / Davis, Douglas Raymond
A measurement of the Standard Model cross section for the production of a single top quark in association with a $W$-boson from proton-proton collisions is presented [...]
CERN-THESIS-2020-374 -

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Test di chip di lettura per il rivelatore a pixel di ATLAS ad High-Luminosity LHC / Palazzo, Alessandra
CERN-THESIS-2020-372 - 135 p.

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Measurement of Higgs couplings to top quarks and $\tau$ leptons with the ATLAS detector / Ojeda, Martina Laura
Since the discovery of the Higgs boson in 2012 during the first run of the Large Hadron Collider (LHC) at CERN, extensive measurements have been performed to characterize its properties [...]
CERN-THESIS-2021-186 - 167 p.

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Search for Singly Produced Top Partners in Trilepton Final State Using Data Collected by the ATLAS Detector from $pp$ Collisions at $\sqrt{s} = 13$ TeV / Roy, Avik
This thesis presents the search for a heavy, up-type vector-like quark (VLQ), or Top Partner, with charge +2/3 [...]
CERN-THESIS-2021-185 -

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Study of a highly boosted Higgs boson decaying to b-jets final states with the ATLAS experiment at CERN / Foti, Maria Giovanna
The observation of the decay of the Higgs boson to a $b \bar{b}$ pair in 2018 confirmed the Yukawa interaction and provided the first measurement of a Yukawa coupling to down-type quarks [...]
CERN-THESIS-2020-371 - 230 p.

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Vector Boson Scattering and ZZ Production at ATLAS Detector / Penc, Ondrej
This work focuses on the search for electroweak production of two $Z$ bosons accompanied by a pair of jets in proton-proton collisions with the ATLAS detector at the LHC in CERN [...]
CERN-THESIS-2021-179 - 175 p.

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