Master Theses

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2023-09-15
08:54
[PUBDB-2023-05639] Master Thesis
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Laboratory and Simulation studies of Pulse Shape Discrimination in pure CsI and CsI(Tl)
[BELLE2-MTHESIS-2022-007]
125 pp. () = Masterarbeit, University of Hamburg, 2021  GO
In the search for physics beyond the Standard Model, research in particle physics aims to probe particle interactions at high energies and strives for better precision on measurements. Experiments such as Belle II target higher luminosities to push the precision frontier. [...]
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2023-07-27
14:05
OpenAccess [PUBDB-2023-04516] Master Thesis
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Revisiting Gravitational Wave Detection with SCRF Cavities at DESY
113 pp. () [10.3204/PUBDB-2023-04516] = Masterarbeit, University of Hamburg, 2023  GO
Before the successful detection of gravitational waves (GWs) with LIGO and VIRGO, superconductingradio frequency (SCRF) cavities were already considered as potential alternativesfor large laser interferometers. They are particularly suited to probe high frequencies above∼ 10 kHz by using a heterodyne approach where the GW has to be resonant with the frequencydifference of two cavity eigenmodes. [...]
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2023-06-28
14:29
[PUBDB-2023-03937] Master Thesis
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3D Atomic Pair Distribution Function of a Textured Platinum Thin Film
52 pp. () = Masterarbeit, University of Hamburg, 2022  GO
he Atomic Pair Distribution Function (PDF) is the Fourier analysis of total scattering data including Bragg as well as diffuse scattering. Contrary to the conventional diffraction studies, which solely consider Bragg scattering contributions and thus only access to the long range ordering information, the PDF yields short and intermediate range ordering information [...]
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2023-06-28
12:13
[PUBDB-2023-03931] Master Thesis
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An Operando Total X-Ray Scattering Study of Photoactive Thin-Films for Oxygen Evolution in Photoelectrochemical Cells
83 pp. () = Masterarbeit, University of Hamburg, 2022  GO
Transition metal oxides are promising materials for photoanodes in devices for photoelectrochmical water splitting. TiO$_2$ was the first photoactive material used in an electrochemical cell in 1972 and recently also hematite ($\alpha$-Fe$_2$O$_3$) has drawn much attention [...]
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2023-02-14
09:19
[PUBDB-2023-00816] Master Thesis
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Bildverarbeitung filamentöser Schimmelpilze kultiviert mit Mikro- und Makropartikeln
Freising : School of Life Sciences 87 pp. () = Masterarbeit, Technische Universität München, 2022  GO
The numerous advantages of filamentous fungal-pellets for the production of various products, such as citric acid, attract the attention of researchers and industrial engineers. In this regard, it is important to study the morphology of the fungal pellets, as it has a great impact on productivity. [...]

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2023-02-10
15:13
[PUBDB-2023-00760] Master Thesis
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Development of a Quasi-LPV Frequency Controller for Continuous-Wave Superconducting Radio Frequency Cavities
Hamburg : Technische Universität Hamburg 50 pp. () = Masterarbeit, Technische Universität Hamburg, 2022  GO
Cryo-Module Test Bench (CMTB) is a research facility to study particle accelerators equipped with Superconducting Radio Frequency (SRF) cavities and is currently used to perform studies on the Continuous Wave (CW) mode of operation of SRF linear accelerators. These studies aim to develop new technologies for the proposed CW upgrade of the European XFEL, the world’s largest superconducting linear accelerator used to produce X-Ray pulses for scientific purposes. [...]

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2023-01-31
09:51
[PUBDB-2023-00581] Master Thesis
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Tracking in Dense Environments for theATLAS ITk Strip Detector
77 pp. () = Masterarbeit, Rheinische Friedrich-Wilhelms-Universität Bonn, 2022  GO
The Phase II upgrade of the ATLAS detector will prepare it to handle the 2.5–fold increase in instantaneous luminosity of the High Luminosity LHC project starting in 2028. The upgrade will also involve the tracking sub-system of the ATLAS detector to be replaced by the Inner Tracker (ITk), which is made up of a closer-to-beam-line Pixel and a circumscribing Strip detector. [...]
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2023-01-23
16:21
[PUBDB-2023-00485] Master Thesis
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Effects of model parameter variations forthe bbH$\to$Za$\to$ll$_{χχ}$ process in theperformance of multivariate classifiers
University of Hamburg 81 pp. () = Masterarbeit, University of Hamburg, 2023  GO
The first goal of this thesis was to check whether the parameter variations of the 2HDM+a model,in the process of bbH$\to$Za$\to$ll$_{χχ}$, have an impact on multivariate methods. The second goalwas to check the feasibility of using a singular deep neural network trained on all given masspoints of the heavy Higgs and dark matter mediator.It was found that the variation of model parameters unrelated to mass of particles had no sig-nificant impact on the performance of multivariate methods. [...]
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2023-01-19
13:49
[PUBDB-2023-00364] Master Thesis
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Studies of di-Higgs production at the FCC-hh in the $HH \to b\bar{b} ZZ^∗ \to bb\ell\ell \nu\nu$ channel
Hamburg : University of Hamburg 53 pp. () = Masterarbeit, University of Hamburg, 2022  GO
The FCC-hh is a proposed circular hadron collider at an energy of 100 TeV. Thetotal integrated luminosity is expected to be around 30 ab$^{−1}$. [...]
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2023-01-17
11:51
OpenAccess [PUBDB-2023-00282] Master Thesis
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Monte Carlo Simulations of DetectorPrototypes Designed in a 65 nm CMOSImaging Process
91 pp. () [10.3204/PUBDB-2023-00282] = Masterarbeit, Rheinischen Friedrich-Wilhelms-Universität, 2022  GO
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