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CERN Accelerating science

The theses collection aims to cover as well as possible all theses in particle physics and its related fields.
The collection starts with the thesis of Feynman, defended in 1942, and covers now alltogether more than 3000 theses. Most of the documents are held as hard copies, theses from later years are available electronically. (Note also that many theses are not physically held by the CERN Library.)


Latest additions:
A search for third-generation leptoquarks in the non-resonant production with the ATLAS experiment and development of the Level-0 muon trigger for the High Luminosity LHC / Morodei, Federico
Recent observations performed by several high-energy physics experiments have shown anomalies in b-hadron decays, which could be explained by assuming the existence of a particle, the leptoquark, coupled both to leptons and quarks [...]
CERN-THESIS-2024-057 - 223 p.

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System Development of Silicon Photonics Transceivers for Future Upgrades of High Energy Physics Experiments at CERN / Prousalidi, Thenia
In the coming years, various upgrades will take place in CERN's detectors and experiments [...]
CERN-THESIS-2024-056 - 219 p.

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Search for Supersymmetry and Large Extra Dimensions with the ATLAS Experiment / Bertoli, Gabriele
The Large Hadron Collider is the most powerful particle accelerator built to date [...]
CERN-THESIS-2017-501 -

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Search for Supersymmetry in proton-proton collisions at sqrt(s) = 13 TeV with at least one photon, jets and missing transverse momentum / Kansal, Bhumika
The Standard Model (SM) explains three out of four fundamental forces except for gravity.One of the primary limitations of SM is a mass hierarchy problem, and the other is the inability to explain the presence of dark matter in the universe [...]
CERN-THESIS-? CMS-TS-2024-004. - 2024. - 172 p.

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Extending the limits in the hunt for long-lived heavy neutral leptons with the ATLAS experiment at the Large Hadron Collider at CERN / Appelt, Christian
A search for a long-lived, heavy neutral lepton ($\mathcal{N}$) in 139~fb$^{-1}$ of $\sqrt{s}=13$~TeV $pp$ collision data collected between 2015 and 2018 by the ATLAS detector at the Large Hadron Collider is presented [...]
CERN-THESIS-2024-055 - : EDoc HU Berlin, 2024-05-15. - 209 p.

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Non-invasive Beam Diagnostic Development for FCC using Cherenkov Diffraction Radiation in Dielectric Materials / Schloegelhofer, Andreas
Cherenkov diffraction radiation (ChDR) refers to the emission of electromagnetic radiation when a charged particle travels in the vicinity of dielectric matter, and the particle’s velocity exceeds the phase velocity of electromagnetic radiation in the dielectric [...]
CERN-THESIS-2024-054 - 204 p.

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A Search for Dark Photons with the FASER Detector at the LHC / Fellers, Deion Elgin (University of Oregon (US)) /FASER Collaboration
The FASER experiment at the LHC is designed to search for light, weakly- interacting particles produced in proton-proton collisions at the ATLAS interaction point that travel in the far-forward direction. FASER is sensitive to probing previously unconstrained dark photon models, which is a theoretical particle that could provide a portal between the standard model of particle physics and a dark sector that contains a dark matter particle. [...]
CERN-FASER-THESIS-2024-001.- Geneva : CERN, 2024 Fulltext: PDF;

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Emerging Jets Search, Triton Server Deployment, and Track Quality Development: Machine Learning Applications in High Energy Physics / Savard, Claire
Machine learning is becoming prevalent in high energy physics, with numerous applications in physics analyses and event reconstruction showing great improvements compared to traditional computing methods [...]
CERN-THESIS-2024-053 -

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Search for non-resonant new physics in high-mass diphoton events from pp collisions at $\sqrt{s}$ = 13 TeV with the CMS detector and highlights from HCAL upgrades / Perez, Cilicia Uzziel
Results are presented from a search for non-resonant or broad signatures of beyond the standard model physics in the high-mass diphoton spectrum from proton-proton collisions at $\sqrt{s}$ = 13 TeV [...]
CERN-THESIS-2024-052 - 249 p.

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Simulation and Hardware Development of the Liquid-Argon Calorimeters Phase-II Read-out Path of the ATLAS Detector / Horn, Philipp
The LHC is upgraded in two phases up until the year 2027 to increase its luminosity [...]
CERN-THESIS-2020-424 - 117 p.

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