CERN Accelerating science

BE Thesis

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Accelerating cavity and higher order mode coupler design for the Future Circular Collider / Gorgi Zadeh, Shahnam
CERN-THESIS-2020-358 - : Universität Rostock , 2021-05-11.

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Direct Digitisation for Position Measurement of Charged Particle Beams: Sampling and Quantisation Effects on Resolution / Degl'Innocenti, Irene
With the technology improvements of Analog-to-Digital Converters (ADC), notable in terms of sampling rate and achievable resolution, the direct digitisation of beam pickup signals is of growing interest in the field of particle beam diagnostics for charged particle accelerators [...]
CERN-THESIS-2020-357 -

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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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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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Space charge and lattice driven resonances at the CERN injectors / Asvesta, Foteini
The present dissertation focuses on the space charge phenomena in the presence of betatron resonances in the CERN Injectors and in particular the Proton Synchrotron (PS) and the Proton Synchrotron Booster (PSB) [...]
CERN-THESIS-2020-344 -

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Measurements of wakefields andbunch length with beam in linearelectron accelerators: a case study atthe CLEAR facility / Gilardi, Antonio
The thesis focuses on the study of two phenomena, both connected to transverseelectromagnetic forces, affecting the particles inside an accelerator.The first study regards the undesired transverse kick given to the particlesby the so-called wakefields, electromagnetic fields generated by the interac [...]
CERN-THESIS-2021-056 - 140 p.

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Background Processes Affecting the Machine-Detector Interface at FCC-ee With Focus on Synchrotron Radiation at 182.5 Gev Beam Energy / Luckhof, Marian
Synchrotron radiation is a significant background source at circular lepton colliders [...]
CERN-THESIS-2020-335 - 171 p.

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Beam Loss Reduction by Barrier Buckets in the CERN Accelerator Complex / Vadai, Mihaly
For a future intensity increase of the fixed-target beam in the accelerator complex at CERN, new techniques to reduce beam loss are required [...]
CERN-THESIS-2021-043 -

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Simulation Analysis and Machine Learning Based Detection of Beam-Induced Heating in Particle Accelerator at CERN / Giordano, Francesco
A method for a first-order approximation estimation of the longitudinal impedance of a synchrotron component, starting from power loss measurements on the device, is proposed [...]
CERN-THESIS-2020-332 -

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Long Short-Term Memory Recurrent Neural Network for the Fully-Automatic Collimator Beam-Based Alignment in the Large Hadron Collider (LHC) / Ricci, Gianmarco
The Large Hadron Collider (LHC) at the European Organization for Nuclear Research (CERN) is the world’s largest particle accelerator [...]
CERN-THESIS-2021-037 - 65 p.

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