CERN Accelerating science

Theses

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2016-05-27
10:14
Optimizing a Calorimetry Chamber for the RF Characterization of Superconductors / Keckert, Sebastian (Universität Siegen) ; Knobloch, Jens. (dir.) (HZB) ; Jankowiak, Andreas (dir.) (HZB)
In this thesis an optimized calorimetry chamber is developed, providing at and easy mountable samples. Furthermore, it enables exchangeability of samples between the resonators at HZB and CERN. The thesis is structured as follows: First, a short introduction into SRF is given [...]
CERN-THESIS-2015-339.- Siegen : Universität Siegen, 2015 Fulltext: PDF;

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2016-05-26
15:33
Study of long-term sustained operation of gaseous detectors for the high rate environment in CMS / Merlin, Jeremie Alexandre
The muon system of CMS aims to provide an efficient and fast identification of the muons produced in the proton-proton collisions [...]
CERN-THESIS-2016-041 - 222 p.

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2016-05-25
13:45
Measurement of Top-Quark Pair Production Cross Sections and Calibration of the Top-Quark Monte-Carlo Mass using LHC Run I Proton-Proton Collision Data at square $\sqrt{s}= 7 and 8 TeV with the CMS Experiment. / Kieseler, Jan (DESY) ; Lipka, Ekaterina (dir.) (DESY)
In this thesis, measurements of the production cross sections for top-quark pairs andthe determination of the top-quark mass are presented. Dileptonic decays of top-quarkpairs (tt) with two opposite-charged lepton (electron and muon) candidates in the finalstate are considered. [...]
CERN-THESIS-?; CMS-TS-2016-007.- 2016 - 166 p. Fulltext: PDF;

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2016-05-25
08:28
Design of an optical-communication link with Mars / Carrasco-Casado, Alberto
The possibility of using optical communications in free-space as an improvement of current RF communication systems was analyzed in this Project. [...]
arXiv:1605.07290 - 2016. - 204 p.

Thesis
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2016-05-23
10:43
Measurement of Direct Photons in pp and Pb–Pb Collisions with Conversion Pairs / Wilde, Martin
CERN-THESIS-2015-338 - 213 p.

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2016-05-23
07:32
Accuracy and Precision in Collider Event Shapes / Kolodrubetz, Daniel W
In this thesis, we discuss and investigate the use of Soft-Collinear Effective Theory (SCET) for high precision calculations [...]
arXiv:1605.06435 - 2016. - 167 p.

Thesis
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2016-05-22
10:53
Search for New Physics Using Jets in Proton-Proton Collisions / Endner, Oliver Chris
In this thesis a search for New Physics in events with two jets is presented [...]
CERN-THESIS-2015-337 - 162 p.

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2016-05-21
07:37
High-temperature asymptotics of the 4d superconformal index / Ardehali, Arash Arabi
The superconformal index of a typical Lagrangian 4d SCFT is given by a special function known as an elliptic hypergeometric integral (EHI) [...]
arXiv:1605.06100 - 2016. - 66+11 p.

Thesis
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2016-05-20
15:55
Development of the Selection Procedure for a Measurement of the Ratio of Branching Fractions $R_{pK}={\cal B}(\Lambda_b^0 \rightarrow pK\mu^+\mu^-)/{\cal B}(\Lambda_b^0 \rightarrow pKe^+e^-)$ as a Test of Lepton Universality / Kirwan, Sean
A selection procedure for the non-rare decays $\Lambda_b^0 \to pK^-J/\psi(\to \ell^+\ell^-)$ (where $\ell = \mu,e$) is presented, involving PID selection, removal of peaking backgrounds and multivariate analysis [...]
CERN-THESIS-2016-040 - 30 p.

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2016-05-20
14:33
Design of the TORCH detector: A Cherenkov based Time-of-Flight system for particle identification / Van Dijk, Maarten
The LHCb detector at the LHC collider has been very successfully operated over the past years, providing new and profound insights into the Standard Model, in particular through study of $b$-hadrons to achieve a better understanding of CP violation [...]
CERN-THESIS-2016-039 - 185 p.

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