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CERN Accelerating science

CERN Doctoral Student Program Theses

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2017-11-14
17:41
Development of the ISOLDE Decay Station and γ spectroscopic studies of exotic nuclei near the N=20 “Island of Inversion” / Lica, Razvan
The main topic of my PhD Thesis is related to nuclear structure studies of neutron-rich nuclei following the beta-decay of 34Mg isotopes produced at the ISOLDE facility of CERN and measured using one of the newest permanent experimental setups, the ISOLDE Decay Station (IDS) [...]
CERN-THESIS-2017-232 - Bucharest, Romania : UPB Library, 2017-10-03. - 126 p.

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2017-11-03
12:23
Advanced silicon sensors for future collider experiments / Curras Rivera, Esteban
In this thesis, we address two key technological challenges: the radiation tolerance assessment and timing performance studies of thin planar diodes to be used as sensing technology in the recently approved CMS forward sampling calorimeter for the HL-LHC operation, the High Granularity Calorimeter ( [...]
CERN-THESIS-2017-212 - 178 p.

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2017-10-31
17:14
Charged-Particle Distributions and Material Measurements in $\sqrt{s}$ = 13 TeV $pp$ collisions with the ATLAS Inner Detector / Cairo, Valentina
The Run 2 of the Large Hadron Collider, which began in Spring 2015, offers new challenges to the Experiments with its unprecedented energy scale and high luminosity regime [...]
CERN-THESIS-2017-204 - 301 p.

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2017-10-25
14:29
Statistical analysis for the radiological characterization of radioactive waste in particle accelerators / Zaffora, Biagio
This thesis introduces a new method to characterize metallic very-low-level radioactive waste produced at the European Organization for Nuclear Research (CERN) [...]
CERN-THESIS-2017-194 - 240 p.

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2017-10-24
12:56
Measurement of rare top quark decays in ATLAS/LHC / Galhardo, Bruno
In this thesis, a search for the flavour-changing neutral-current decay $t\to qZ$ is presented [...]
CERN-THESIS-2016-338 - 240 p.

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2017-10-17
12:09
A Nine Decade Femtoampere Current to Frequency Converter / Voulgari, Evgenia
Various applications require ultra-low current sensing [...]
CERN-THESIS-2017-183 - doi:10.5075/epfl-thesis-7853 : INFOSCIENCE, 2017-10-13. - 148 p.

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2017-10-02
17:54
Study of the beam-cavity interaction in the CERN PS 10 MHz cavities and investigation of hardware solutions to reduce beam loading / Favia, Giorgia
In the Proton Synchrotron (PS), where the LHC protons longitudinal structure (bunch spacing) is determined as the result of a sophisticated series of Radio Frequency (RF) gymnastics, collective effects were identified as a major limitation to the achievable beam current delivered to the LHC [...]
CERN-THESIS-2017-166 - 148 p.

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2017-09-25
16:50
Longitudinal beam instabilities in a double RF system / Argyropoulos, Theodoros
Operation with a double RF system is essential for many accelerators in order to increase beam stability, to change the bunch shape or to perform various RF manipulations [...]
CERN-THESIS-2015-421 - 127 p.

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2017-08-08
22:18
H$^{-}$ ion source for CERN's Linac4 accelerator: simulation, experimental validation and optimization of the hydrogen plasma / Mattei, Stefano
Linac4 is the new negative hydrogen ion (H$^-$) linear accelerator of the European Organization for Nuclear Research (CERN) [...]
CERN-THESIS-2017-109 - Lausanne : EPFL, 2017-07-25. - 139 p.

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2017-08-04
10:48
Signal Formation Processes in Micromegas Detectors and Quality Control for large size Detector Construction for the ATLAS New Small Wheel / Kuger, Fabian
The Micromegas technology is one of the most successful modern gaseous detector concepts and widely utilized in nuclear and particle physics experiments [...]
CERN-THESIS-2017-106 - Würzburg (Germany) : Würzburg University, 2017-08-04. - 203 p.

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