CERN Accelerating science

CERN Doctoral Student Program Theses

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Design and Implementation of a Real-Time System Survey Functionality for Beam Loss Monitoring Systems / Hajdu, Csaba
This PhD thesis describes the design and implementation of a real-time system survey functionality for beam loss monitoring (BLM) systems, with a particular focus on signal processing aspects [...]
CERN-THESIS-2018-352 - 143 p.

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Triple-Gas Electron Multiplier technology for future upgrades of the CMS experiment: construction and certification of the CMS GE1/1 detector and longevity studies / Fallavollita, Francesco
This Doctoral Thesis takes place in the framework of the upgrade of the Muon System of the Compact Muon Solenoid (CMS) experiment [...]
CERN-THESIS-2018-349 - 338 p.

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Simulations of RF beam manipulations including intensity effects for CERN PSB and SPS upgrades / Quartullo, Danilo
During Long Shutdown 2 (LS2, 2019-2021) all the injectors of the CERN LHC will undergo several upgrades to fulfill the requests of the LHC Injectors Upgrade (LIU) Project [...]
CERN-THESIS-2019-006 - 179 p.

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Induction-coil transducers for measuring transversal field harmonics in accelerator magnets / Caiafa, Gianni
The following thesis deals with the mathematical development, the numerical validation, the design, and the metrological characterization of an innovative sensor for magnetic measurements based on rotating coils [...]
CERN-THESIS-2018-330 - 141 p.

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Electron cloud formation in CERN particle accelerators and its impact on the beam dynamics / Romano, Annalisa
In high energy accelerators operating with positively charged particles, photoemission and secondary emission can give rise to an exponential electron multiplication within the beam chamber, which leads to the formation of a so-called Electron Cloud (EC) [...]
CERN-THESIS-2018-299 -

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A Distributed Analysis Framework for Heterogeneous Data Processing in HEP Environments / Boychenko, Serhiy
During the last extended maintenance period, CERNs Large Hadron Collider (LHC) and most of its equipment systems were upgraded to collide particles at an energy level almost twice higher compared to previous operational limits, significantly increasing the damage potential to accelerator components [...]
CERN-THESIS-2017-438 - 168 p.

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Characterisation and Optimisation of Radiation-Tolerant Silicon Sensors with Intrinsic Gain / Otero Ugobono, Sofia
The research work of this PhD thesis is performed in the framework of the RD50 Collaboration, working on the development and characterisation of radiation tolerant silicon detectors for high luminosity colliders [...]
CERN-THESIS-2018-264 - 203 p.

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Interaction Region Design for a 100 TeV Proton-Proton Collider / Martin, Roman
The discovery of the Higgs boson is the start of a measurement program that aims to study the properties of this new particle with the highest possible precision in order to test the validity or the Standard Model of particle physics and to search for new physics beyond the Standard Model [...]
CERN-THESIS-2017-437 - 112 p.

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Optics optimization of longer L* Beam Delivery System designs for CLIC and tuning of the ATF2 final focus system at ultra-low β* using octupoles / Plassard, Fabien
The future machines considered to carry out high precision physics in the TeV energy regime are electron-positron (e+e−) linear colliders [...]
CERN-THESIS-2018-223 - : HAL, 2018-10-13. - 166 p.

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Ultra Fast Beam Loss Mechanisms at the LHC and their Detection for Use in Machine Protection / Stein, Oliver
At the Large Hadron Collider (LHC) high intensity proton beams are accelerated up to 7 TeV resulting in 362 MJ of stored energy in each beam [...]
CERN-THESIS-2017-430 - 147 p.

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