CERN Accelerating science

CERN Theses

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Beam-Beam Long-Range Wire Compensation For Enhancing CERN LHC Performance / Poyet, Axel
In high intensity and high energy colliders such as the CERN Large Hadron Collider and its future luminosity upgrade, interactions between the two beams around the different interaction points are one of the machine performance limitations [...]
CERN-THESIS-2021-071 - 156 p.

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Observation of the production and decay of particles in the forward region at the LHCb experiment / Ene, Alexandru Catalin
This thesis is structured around two main studies, namely a study of Monte Carlo hadronic collisions generators and an LHCb data analysis [...]
CERN-THESIS-2020-350 - 184 p.

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Manufacturing Process Anomaly Detection in RF Cavities / Agius, Ryan
In order to accelerate charged particles and output them at a constant and controllable energy, modern particle accelerators make use of hollow, torus-like metal structures known as Radio Frequency (RF) cavities [...]
CERN-THESIS-2021-070 - 95 p.

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Machine learning based long-lived particle reconstruction algorithm for Run 2 and upgrade LHCb trigger and a flexible software platform for the UT detector read-out chip emulation / Dendek, Adam Mateusz
This thesis discusses two projects, which were performed during the author's work for the LHCb Collaboration [...]
CERN-THESIS-2021-069 - 209 p.

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Search for New Heavy Resonances Decaying to $W$, $Z$, or Higgs Bosons and Upgrade of the Compact Muon Solenoid Level-1 Muon Trigger for the High Luminosity Large Hadron Collider / Hamilton, David Warren
This thesis describes the search for a new heavy boson decaying to a pair of heavy electroweak bosons ($WW$, $WZ$, or $WH$) in the semileptonic final state (electron or muon, missing transverse momentum, and jet), using the data obtained from proton collisions in the Compact Muon Solenoid detector a [...]
CERN-THESIS-2021-068 - 161 p.

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Systematic comparison of TPX and TPX3 devices regarding luminosity measurements in the ATLAS cavern / Fiedler, Petr
This thesis deals with an analysis of the needs for an automatic procedure to determine the ATLAS (CERN) luminosity measurements using TPX and TPX3 devices [...]
CERN-THESIS-2021-067 - 109 p.

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Charged hadron production in central Ar+Sc collisions at the CERN SPS / Lewicki, Maciej Piotr
Research Objectives The main goal of this work was to identify and obtain spectra of charged hadrons produced in Ar+Sc interactions at six beam momenta in the range of 13A-150A GeV/c [...]
CERN-THESIS-2020-349 -

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Search for trilepton resonances from $R$-parity violating chargino decays in the $B-L$ MSSM / Dyckes, Ian
This dissertation presents a search for the electroweak pair-production of charginos and the associated production of charginos and neutralinos in the $B-L$ Minimal Supersymmetric Standard Model with spontaneous $R$-parity violation [...]
CERN-THESIS-2021-066 - 241 p.

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Studies on polarization in the scattering of two vector bosons with the ATLAS experiment at the LHC / Nitschke, Jan-Eric
The scattering of two vector bosons is a process well suited for studying the mechanism of electroweak symmetry breaking [...]
CERN-THESIS-2019-418 - 94 p.

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Open charm measurements at the NA61/SHINE experiment at CERN SPS with the new Vertex Detector / Merzlaya, Anastasia
The study of open charm meson production provides an efficient tool for detailed investigations of the properties of hot and dense matter formed in relativistic nucleus-nucleus collisions [...]
CERN-THESIS-2021-065 - 120 p.

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CERN Doctoral Student Program Theses (652)
CERN Technical Student Program Theses (176)