# Theses

2017-12-11
18:01
 A Measurement of the $W\gamma$ cross section at $\sqrt s = 8~$TeV in pp Collisions with the CMS Detector / Avdeeva, Ekaterina A measurement of cross section of the $W\gamma\rightarrow l\nu\gamma$ production in proton-proton collisions using 19.6~fb$^{-1}$ of LHC data collected by CMS detector at the center-of-mass collision energy of $\sqrt{s}=8$~TeV is reported [...] CERN-THESIS-2017-256 - 242 p.

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2017-12-09
06:49
 Präzisionsmessung der relativen Zerfallsrate des langlebigen neutralen K-Mesons in zwei neutrale bzw. geladene Pionen / Radermacher, Ernst In einem neutralen Strahl des CERN-Protonensynchrotrons ist mit Hilfe von Drahtfunkenkammern und einem Bleiglasteren-kovzähler der CP-verletzende Zerfall des langlebigen K0l in zwei neutrale Pionen untersucht worden [...] 238 p.

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2017-12-08
10:06
 Measurements of $CP$ violation in mixing of $B^0_s$ mesons and the $D^+_s$ production asymmetry at LHCb / Klaver, Suzanne This thesis reports two measurements performed using proton-proton collision data collected by the LHCb detector in 2011 and 2012, corresponding to an integrated luminosity of 3$\ \text{fb}^{-1}$ and centre-of-mass energies of 7 and 8 TeV respectively [...] CERN-THESIS-2017-255 - 253 p.

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2017-12-06
16:45
 Study of double charm B decays with the LHCb experiment at CERN and track reconstruction for the LHCb upgrade / Quagliani, Renato Double charmed $B$ meson decays are dominated by the Cabibbo favoured $b\rightarrow c (W^{-} \rightarrow \overline{c}s)$ transition [...] CERN-THESIS-2017-254 - 293 p.

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2017-12-04
12:41
 Vacuum Simulations in High Energy Accelerators and Distribution Properties of Continuous and Discrete Particle Motions / Aichinger, Ida The underlying thesis on mathematical simulation methods in application and theory is structured into three parts [...] CERN-THESIS-2017-252 - 159 p.

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2017-12-04
12:35
 ZZ Production in Proton-Proton Collisions at $\sqrt(s)= 13 TeV$ in Four-Lepton Events Using the CMS Detector at the LHC / Woods, Nathaniel Several studies of four-lepton production in proton-proton collisions are presented.The dataset used corresponds to an integrated luminosity 35.9 fb−1 at a center-ofmass energy of 13 TeV, collected by the CMS detector at the LHC [...] CMS-TS-2017-030 ; CERN-THESIS-2017-253. - 2017. - 182 p.

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2017-12-04
05:12
 Measurement of jet fragmentation functions and of their moments in $pp$ collisions at $\sqrt{s}=2.76$ TeV with ALICE at the LHC / Wang, Mengliang A cross-over between ordinary nuclear matter and a state of de-confined quarks and gluons, the Quark Gluon Plasma (QGP), is predicted by lattice QCD calculations at low chemical potential and high temperature in the nuclear phase diagram [...] CERN-THESIS-2016-352 - 211 p.

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2017-12-01
16:05
 Development of a buffer gas trap for the confinement of positrons and study of positronium production in the GBAR experiment / Maia Leite, Amelia Mafalda The GBAR experiment relies on the production of antihydrogen positive ions to achieve its goal of measuring the gravitational acceleration of antimatter at rest [...] CERN-THESIS-2017-251 - 178 p.

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2017-12-01
13:36
 Optimizing the measurement of the signal strength for Higgs-boson production in the $H \to \tau\tau$ decay using multivariate techniques at $\sqrt{s} = 13\,\text{TeV}$ with the ATLAS detector / Rottler, Benjamin The Higgs boson was first observed in July 2012 by the ATLAS and CMS experiments based at CERN [...] CERN-THESIS-2017-250 - 170 p.

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2017-11-28
16:40
 Analysis of Nb3Sn Rutherford cable production and strand deformations / Peggiani, Sonia The development of cutting-edge 11-12 T superconducting magnets made from Nb3Sn technology is one of the major milestones for the upgrade of the Large Hadron Collider at CERN. [...] CERN-THESIS-2017-249 - 134 p.

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