CERN Accelerating science

ATLAS Theses

Measurement of VH(H→WW∗) process in ATLAS and development of radiation hard LGADATLAS 实验上 VH(H→WW∗) 过程的截面测量及抗辐照 LGAD 的研制 / Yang, Xiao
This doctoral thesis investigates two key topics in particle physics, addressing the fundamental unsolved questions of nature and the technical challenges of next generation collider experiments [...]
CERN-THESIS-2023-157 - 271 p.

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Accessing Quantum Entanglement in off-shell $H^{∗} \to ZZ$ with Separation of Polarisation States / Aulich, Siemen Henning
The Higgs boson is the only spin-0 elementary particle within the Standard Model [...]
CERN-THESIS-2023-153 II.Physik-UniGö-BSc-2023/05. - 81 p.

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B physics studies at the ATLAS experiment / Novotny, Lukas
This thesis focuses on the study of the $CP$ violation and $B$ meson lifetime properties [...]
CERN-THESIS-2023-152 - 242 p.

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Optimization of the ttH Selection Including Systematics Using Machine Learning with ATLAS Data / Yazykov, Vladyslav
This research is centered on the goal of accurately selecting events produced from the [...]
CERN-THESIS-2023-151 - 95 p.

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Search for New Physics with the Study of Multi-lepton Final States with the ATLAS Experiment at the LHC at CERN / Tsopoulou, Maria-Evanthia
The search for diboson resonances is an essential probe for understanding the source of elec- troweak symmetry breaking (EWSB) [...]
CERN-THESIS-2022-378 - 301 p.

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Simultaneous production of two bosons in the ATLAS experiment at the LHC / Kasimi, Eirini
This thesis explores diboson and vector boson scattering (VBS) processes, focusing on the simultaneous production of a $W^{\pm}$ and a $Z$ gauge boson from proton-proton collisions at the Large Hadron Collider (LHC) at CERN [...]
CERN-THESIS-2023-145 - 294 p.

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A phenomenological study of heavy neutrinos and the seesaw mechanism / Baumann, Tobias Opdalshei
In this thesis, we review the motivations for proposing the existence of heavy neutrinos and the so-called seesaw mechanism [...]
CERN-THESIS-2023-143 - 166 p.

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Graph Neural Network Flavour Tagging and Boosted Higgs Measurements at the LHC / Van Stroud, Samuel
This thesis presents investigations into the challenges of, and potential improvements to, $b$-jet identification ($b$-tagging) at the ATLAS experiment at the Large Hadron Collider (LHC) [...]
CERN-THESIS-2023-142 -

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Implementation of Beyond the Standard Model Z ′ models using reweighting tools applied on PowHeg and Sherpa / Foell, Martin
The Standard Model (SM) has been successful in describing the particles and interactions that we know of today with great precision [...]
CERN-THESIS-2023-140 - 131 p.

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Searches for new neutral and charged scalars with multiple top and bottom quarks in Run 2 pp collisions at 13 TeV with the ATLAS detector / Salvador Salas, Adrian
This thesis presents two searches for new scalars using the 139 fb^-1 proton-proton collision data at a center-of-mass energy of 13 TeV collected by the ATLAS detector at the CERN Large Hadron collider during Run 2 [...]
CERN-THESIS-2023-139 - 206 p.

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