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ATLAS Theses

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2025-03-06
20:38
Machine learning-based optimisation of Higgs coupling measurements in the H → 4l decay channel with ATLAS Run 3 data / Spitzauer, Luca Matthias
Cross-section measurements for the different Higgs boson production and decay processes constitute a key area in the exploration of Higgs properties, with a high sensitivity to potential physics beyond the Standard Model [...]
CERN-THESIS-2024-353 -


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2025-03-06
07:41
Measurement of the double-differential $W\to\mu\nu$ cross-section at high transverse masses at $\sqrt{s}=13\,$TeV with the ATLAS detector / Kraus, Johanna Wanda
In this thesis, a measurement of differential charged-current Drell-Yan cross-sections at high transverse masses of the $W$ boson is presented [...]
CERN-THESIS-2024-352 -


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2025-03-05
15:09
Optimierung von neuronalen Netzen für Matrixelement-Surrogate in Prozessgruppen / Schenker, Mathis Erik
English: The intensive usage of Monte Carlo event generators in elementary particle physics makes it necessary to use computing capacities efficiently [...]
CERN-THESIS-2025-011 - 52.


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2025-03-03
21:04
Measurement of lepton efficiency in lead-lead collisions in the ATLAS experiment at the LHC / Bulanowska, Weronika Emilia
Lepton (electron and muon) efficiencies are calculated in lead-lead (Pb+Pb) collisions at a center-of-mass energy of 5.02 TeV per nucleon pair, with an integrated luminosity of 1.9 nb-1 [...]
CERN-THESIS-2025-009 - 62.


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2025-03-03
07:28
LHC-ATLAS実験における消失飛跡を用いた長寿命のタウ粒子超対称パートナーの発見可能性に関する研究 / Zhuang, Haoyue
CERN-THESIS-2025-008 -


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2025-02-28
09:50
Precision measurements of W and Z boson at ATLAS and developments in the High Granularity Timing Detector / Jia, Xuewei
CERN-THESIS-2024-343 -


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2025-02-26
10:30
Novel Boosted $\mathbf{\tau}_\mathrm{lep}\mathbf{\tau}_\mathrm{had}$ Reconstruction Techniques for TeV-Scale Graviton Search in $HH\rightarrow{b}{\bar{b}}{\tau}_\mathrm{\mu}{\tau}_\mathrm{had}$ Channel with the ATLAS Detector / Dong, Qichen
In this thesis, I present significant advancements in the reconstruction and identification of highly boosted pairs of tau leptons within the ATLAS experiment, alongside a search for the Graviton in the $HH\rightarrow bb\tau\tau$ decay channel [...]
CERN-THESIS-2025-007 - 218.


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2025-02-25
01:59
Search for Long-Lived Particles Decaying into Displaced Hadronic Jets in the Muon Spectrometer in $\textit{pp}$ Collisions at $\sqrt{s}=13$ TeV with the ATLAS Detector / Schott, Michael
A search for the decay of neutral, weakly-interacting, long-lived particles (LLPs) leaving a single displaced hadronic jet in the Muon Spectrometer (MS) using data collected by the ATLAS detector is presented in this dissertation [...]
CERN-THESIS-2025-006 - 2024 - 238.


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2025-02-24
16:39
Disentangling Quantum Mechanics in Top Quark Pairs at the ATLAS Experiment / Reisch, Theresa
This thesis presents sensitivity studies for possible measurements of quantum entanglement and quantum discord in top quark pairs at $\sqrt{s}=13\,$TeV with the ATLAS experiment using simulations of proton-proton collisions corresponding to an integrated luminosity of $140\,\text{fb}^{-1}$ [...]
CERN-THESIS-2024-341 II.Physik-UniGö-MSc-2024/09. - 2024 - 96.


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2025-02-17
12:40
Unveiling the Higgs sector with tau-leptons: differential cross-section measurements and searches for lepton-flavor-violating decays with the ATLAS detector / Gomez Delegido, Antonio Jesus
The Standard Model (SM) of particle physics provides the theoretical framework for understanding fundamental particles and the forces that interact among them, with the exception of gravity [...]
CERN-THESIS-2024-334 - 2025 - 423.


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