CERN Accelerating science

Theses

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2016-06-27
12:19
Searches for Dark Matter and Large Extra Dimensions in Monojet Final States with the ATLAS Experiment / Lundberg, Olof
This thesis presents searches for evidence for Weakly Interacting Massive Particles (WIMPs) and Extra Dimensions in proton-proton collisions recorded by the ATLAS experiment at the CERN Large Hadron Collider (LHC) [...]
CERN-THESIS-2016-062 - 237 p.

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2016-06-26
20:43
Beam Dynamics Studies for High-Intensity Beams in the CERN Proton Synchrotron / Huschauer, Alexander
With the discovery of the Higgs boson, the existence of the last missing piece of the Standard Model of particle physics (SM) was confirmed [...]
CERN-THESIS-2016-061 - 178 p.

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2016-06-23
09:23
Precision tests of the Standard Model using key observables of $CP$ violation and rare decays / Schlupp, Maximilian
In this thesis advanced statistical methods are used for precision studies in the flavour sector of the Standard Model of particle physics [...]
CERN-THESIS-2015-343 - 167 p.

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2016-06-22
19:57
Cryogenic Fiber Optic Sensors for Superconducting Magnets and Power Transmission Lines in High Energy Physics Applications / Chiuchiolo, Antonella
In the framework of the Luminosity upgrade of the Large Hadron Collider (HL - LHC), a remarkable R&D effort is now ongoing at the European Organization for Nuclear Research (CERN) in order to develop a new generation of accelerator magnets and superconducting power transmission lines [...]
CERN-THESIS-2015-342 - 139 p.

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2016-06-22
15:47
Measurement of Double Differential t t Production Cross Sections with the CMS Detector / Korol, Ievgen (DESY) ; Behnke, Olaf (dir.) (DESY)
The high energy scale of the pp collisions at the Large Hadron Collider (LHC) at CERN¯makes this facility to a real factory for the production of tt pairs. This enables to studythe top-quark properties and its production and decay mechanisms in unprecedent detail.The dileptonic decay channel of the top-quark pair, in which both W bosons, producedfrom the top-quark decay, decay into a lepton and neutrino, is studied in this analysis.The limitation to one electron and one muon in final state used in this work allows tostrongly suppress the possible background processes and leads to a higher signal purity.√About 40k events with a top-quark pair have been selected using the s = 8 TeV datarecorded with the CMS detector in the year 2012. [...]
CMS-TS-2016-011; CERN-THESIS-2016-060.- 2016 - 166 p. Fulltext: TS2016_011_2 - PDF; TS2016_011 - PDF;

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2016-06-22
15:47
Test Beam Measurements for the Upgrade of the CMS Pixel Detector and Measurement of the Top Quark Mass from Differential Cross Sections / Spannagel, Simon (DESY) ; Eckstein, Doris (dir.) (DESY)
In this dissertation, two different topics are addressed which are vital for the realization ofmodern high-energy physics experiments: detector development and data analysis. The first partfocuses on the development and characterization of silicon pixel detectors [...]
CMS-TS-2016-010; CERN-THESIS-2016-059.- 2016 - 275 p. Fulltext: TS2016_010_2 - PDF; TS2016_010 - PDF;

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2016-06-22
15:46
Precision Studies of Proton Structure and Jet Energy Scale with the CMS Detector at the LHC / Dominik Wilhelm (Karlsruhe U., EKP) ; Quast, Gunter (dir.) (KIT, Karlsruhe, EKP)
CMS-TS-2016-009; CERN-THESIS-2016-058.- 2016 - 171 p. Fulltext: TS2016_009 - PDF; TS2016_009_2 - PDF;

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2016-06-20
17:56
Development of a Concept for the Muon Trigger of the ATLAS Detector at the HL-LHC / Gadow, Paul Philipp
Highly selective first level triggers are essential to exploit the full physics potential of the ATLAS experiment at the High Luminosity-Large Hadron Collider, where the instantaneous luminosity will exceed the LHC Run 1 instantaneous luminosity by almost an order of magnitude [...]
CERN-THESIS-2016-056 - 112 p.

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2016-06-19
19:20
Studies on irradiated pixel detectors for the ATLAS IBL and HL-LHC upgrade / Gallrapp, Christian
The constant demand for higher luminosity in high energy physics is the reason for the continuous effort to adapt the accelerators and the experiments [...]
CERN-THESIS-2015-341 - 173 p.

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2016-06-17
12:00
Elliptic flow at different collision stages / Dubla, Andrea
CERN-THESIS-2016-054 - 202 p.

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