Dokumente Fakultät für Physik (inkl. GAUSS) nach Titel
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Scale-free Fluctuations in in Bose-Einstein Condensates, Quantum Dots and Music Rhythms
(2010-05-25)Mesoscopic systems are prone to substantial fluctuations that typically can not be neglected or avoided. The understanding of the origin and the consequences of these fluctuations (e.g.~for ... -
Scanning tunneling spectroscopy of magnetic bulk impurities: From a single Kondo atom towards a coupled system
(2013-03-06)This thesis focuses on single impurity Kondo physics and the transition towards coupled Kondo systems in real space. Single magnetic iron and cobalt and non magnetic silver atoms embedded below a copper surface are ... -
Scanning Tunneling Spectroscopy of Rare Earth Hexaborides
(2020-12-22)Rare earth hexaborides are a well-suited model system for the exploration of correlation physics. The varying 4f occupation of the rare earth elements result in a richness of correlated electron phenomena, which harbor ... -
Scanning tunneling spectroscopy of space charge regions in semiconductors: From single donor to heterostructure systems
(2012-05-22)The space charge region in combination with the band edge profile is fundamental for the understanding of semiconductor physics. Scanning tunneling microscopy (STM) and spectroscopy (STS) is a useful tool to investigate ... -
Scanning Tunneling Spectroscopy of Subsurface Non-Magnetic Impurities in Copper
(2021-09-06)In this thesis, single non-magnetic Ge and Ag impurities buried in the bulk metal Cu are studied to characterize their scattering properties as well as the electronic structure of the host. This is possible by analyzing ... -
Scanning Tunnelling Microscopy of Co-impurified Noble Metal Surfaces: Kondo-Effect, Electronic Surface States and Diffusive Atom Transport
(2004-11-12)The scanning tunnelling microscope (STM) was used to investigate the properties of nanoscale structures on (111)-oriented Ag and Cu films. The special focus is on their electronic states ... -
Scanning Tunnelling Spectroscopy of Subsurface Magnetic Atoms in Copper
(2009-04-08)This thesis describes a study of subsurface magnetic impurities using low-temperature scanning tunnelling spectroscopy. Single Cobalt and Iron impurities have been prepared up to 15 ML below ... -
Scanning X-Ray Nano-Diffraction on Eukaryotic Cells: From Freeze-Dried to Living Cells
(2013-12-13)The cytoskeleton of eukaryotic cells is a complex and dynamic network of different biopolymers, which plays an important role in, e.g., the determination of cellular shape, mechanical properties, and consequently specific ... -
Scanning X-Ray Nanodiffraction on Dictyostelium discoideum
(2015-11-06)In the recent years, novel focussing optics for synchrotron radiation sources became available, which now allow focussing the x-radiation down to 100\,nm (FWHM). Thus, the typically poor spatial resolution of Small Angle ... -
Search for B → π τ ν with hadronic tagging at Belle
(2015-11-24)A search for the decay B → π τ ν is presented. The search is performed on the full Belle data set containing 772E6 B anti-B pairs, collected at the Y(4s) resonance with the Belle detector at the KEKB asymmetric energy e+e- ... -
Search for BSM A/H → τ τ in the Fully Hadronic Decay Channel with ATLAS
(2021-11-16)In 2012, a scalar boson was found at CERN that is consistent with the properties of the Higgs boson predicted by the Standard Model (SM) of particle physics. Some theories, in particular supersymmetric models, also predict ... -
Search for resonant Higgs boson pair production in the bb̄WW* decay channel in the boosted 1-lepton final state using the full Run 2 ATLAS dataset
(2022-05-03)Despite the great success of the Standard Model of Particle Physics in explaining physics phenomena over a wide range of energy scales, many open questions remain and it is known that this model of nature is incomplete. ... -
Search for Supersymmetry in Final States with Leptons with the ATLAS Detector at the Large Hadron Collider
(2013-07-17)After a short review of the Standard Model of Elementary Particle Physics and its minimal supersymmetric extension, the MSSM, a global analysis of two highly simplified supersymmetric models, the CMSSM and the NUHM1 is ... -
Search for Supersymmetry in Trilepton Final States with the DØ Experiment
(2015-10-27)A search for supersymmetry in the trilepton final state is performed using the full dataset of the DØ experiment. The analyzed data amounts to an integrated luminosity of ∫ℒ = 9.7 fb⁻¹ of pp̅ collisions, produced at √s ... -
Search for the production of four top quarks in proton-proton collisions at $\sqrt{s}=13$ TeV in the single lepton and opposite-sign dilepton channels with the ATLAS detector at the Large Hadron Collider
(2020-07-28)This thesis presents the search for the production of $t\bar{t}t\bar{t}$ from $pp$ collision at $\sqrt{s} = 13$ TeV. The analysed dataset has been collected by the ATLAS detector during the LHC Run 2, corresponding to an ... -
Search for the production of four top quarks in proton-proton collisions at $\sqrt{s}=13\,$TeV in the single and opposite sign dilepton channels with the ATLAS detector at the LHC using a Monte Carlo correction method
(2020-10-13)The search for the production of $\text{t}\bar{\text{t}}\text{t}\bar{\text{t}}$ in $pp$ collisions at $\sqrt{s}\,=\,13\,$TeV is presented in this thesis for the full \lhc \runii dataset of 139$\,$fb$^{-1}\,$collected by ... -
Search for the Standard Model Higgs boson produced in association with a pair of top quarks and decaying into a bb-pair in the single lepton channel at √s = 13 TeV with the ATLAS experiment at the LHC
(2017-07-05)This thesis presents a search for Standard Model Higgs boson produced in association with top quark pairs, ttH. The analysis uses 13.2 fb-1 of pp collision data at √s = 13 TeV collected in 2015 and 2016 ... -
Search for the Standard Model Higgs boson produced in association with a pair of top quarks and decaying into a bb-pair in the single lepton channel at sqrt{s} = 8 TeV with the ATLAS experiment at the LHC
(2016-08-18)This thesis focuses on the search for the Standard Model Higgs boson produced in association with a pair of top quarks, ttH, using 20.3 fb-1 of pp collision data at sqrt{s} = 8 TeV, collected with the ATLAS detector at the ... -
Search for the Standard Model Higgs boson produced in association with tt and decaying into bb at 8 TeV with the ATLAS detector using the Matrix Element Method
(2015-11-02)A search for the Standard Model Higgs boson produced in association with a pair of top quarks (ttH) is presented. The analysis uses 20.3 fb−1 of pp collision data at √s = 8 TeV, collected with the ATLAS detector at the ... -
Sekundäre Relaxationen in amorphen Festkörpern
(2006-12-11)The mechanical properties of a solid are determined by the character of the active relaxation modes. They govern how a sample relaxes if an external stress is applied and are dependent on ...