Ph.D. Theses

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2019-03-15
16:07
[GSI-2019-00546] Dissertation / PhD Thesis

Robust optimization in 4D treatment planning for carbon ion therapy of lung tumors
138 p. () = Dissertation, Technische Universität Darmstadt, 2018

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2019-02-24
10:46
[GSI-2019-00462] Dissertation / PhD Thesis

Real-time lattice simulations of classical Yang-Mills theory and fermion effects
155 pp. () = Dissertation, Johann Wolfgang Goethe-Universität, 2018
Das Standardmodell der Elementarteilchenphysik beschreibt nach aktuellem Kenntnisstand die Entstehung, den Aufbau und das Verhalten der Materie in unserem Universum am erfolgreichsten. Dennoch gibt es einige Phänomene, die sich nicht in dessen Rahmen beschreiben lassen, wie z. [...]

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2019-02-24
10:31
[GSI-2019-00460] Dissertation / PhD Thesis

Four-Nucleon Forces in Ab Initio Nuclear Structure
185 pp. () = Dissertation, Technische Universitaet Darmstadt, 2018
In recent years, there has been tremendous progress in the construction and application of nuclear inter- actions from chiral effective field theory (EFT). Today, two- and three-nucleon interactions are routinely used in many-body calculations, reaching unprecedented quality in the ab initio description of nuclei. [...]

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2019-02-24
10:26
[GSI-2019-00459] Dissertation / PhD Thesis

Particle identification with the Endcap Disc DIRC for PANDA
149 pp. () = Dissertation, Justus-Liebig Universitaet Giessen, 2018
The PANDA experiment at the FAIR (Facility for Antiproton and Ion Research) accel- erator complex in Darmstadt is designed to study hadronic interactions of antiprotons with momenta up to 15 GeV/c, scattered off an internal proton target. For the purpose of excellent particle identification, two Cherenkov detectors for the target spectrometer are currently under development: The Barrel DIRC with a cylindrical shape around the target and the Endcap Disc DIRC (EDD) that will be placed in the forward endcap region of the PANDA target spectrometer.The EDD covers the polar angle range 5◦ ≤ θ ≤ 22◦. [...]

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2019-02-24
10:16
[GSI-2019-00457] Dissertation / PhD Thesis

Hit reconstruction for the Silicon Tracking System of the CBM experiment
155 pp. () = Dissertation, Johann Wolfgang Goethe-Universität, 2018
The mission of the Compressed Baryonic Matter (CBM) experiment is to investigate the phase diagram of strongly interacting matter in the region of high net-baryon densities and moderate temperatures. According to various transport models, matter densities of more than 5 times saturation density can be reached in collisions between gold nuclei at beam energies between 5 and 11 GeV per nucleon, which will be available at FAIR. [...]

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2019-02-24
10:12
[GSI-2019-00456] Dissertation / PhD Thesis

γ-ray spectroscopy of $^{92,94}$Se isomeric decay
154 pp. () = Dissertation, Technische Universitaet Darmstadt, 2018
The isomeric decay of 92,94Se has been studied by means of gamma-ray decay spectroscopy, in order to explore the nuclear structure of these very neutron-rich exotic nuclei far way from the ‘stability line’. The experiment was conducted in March 2015 at the Radioactive Ion Beam Factory of the RIKEN Nishina Center (RIBF-RIKEN) located in Japan. [...]

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2019-02-24
10:04
[GSI-2019-00455] Dissertation / PhD Thesis

Analyse des Zerfalls J/$\Psi$→ $\omega \pi^+\pi^-$ BESIII und Entwicklungen für das Kühlsystem und die thermische Isolierung des PANDA-EMC
141 pp. () = Dissertation, Ruhr-Universität Bochum, 2018
Im ersten Teil dieser Arbeit wird die Analyse des Zerfalls J / ψ → ωπ+π− präsentiert. Die Daten wurden dabei im Rahmen des BESIII-Experiments aufgenommen. [...]

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2019-02-24
09:29
[GSI-2019-00453] Dissertation / PhD Thesis

Relativistic hydrodynamics and transport in strongly correlated systems
165 pp. () = Dissertation, Johann Wolfgang Goethe-Universität, 2018
This thesis investigates second-order relativistic hydrodynamics and transport coefficients in strongly correlated systems. Our focus is mainly on the physical conditions relevant to heavy-ion collisions, as well as compact dense stellar objects at nonzero temperatures and in strong magnetic fields [...]

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2019-02-23
23:21
[GSI-2019-00452] Dissertation / PhD Thesis

Dynamics of binary compact objects: from novel numerical approaches to the creation of heavy elements
212 pp. () = Dissertation, Johann Wolfgang Goethe-Universität, 2018
Compact objects - black holes and neutron stars - are fascinating objects, not only for the astrophysicists, but for a wide range of researchers, including astronomers, theoretical physicists, particle and nuclear physicists, condensed matter physicists and arguably for the layman as well. First theorized in the first part of the twentieth century, for a long time these objects have been considered just exotic ideas or mathematical curiosities. [...]

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2019-02-23
23:10
[GSI-2019-00451] Dissertation / PhD Thesis

Electromagnetic probes in heavy-ion collisions
235 pp. () = Dissertation, Johann Wolfgang Goethe-Universität, 2018
In this thesis we work on the theoretical description of relativistic heavy-ion collisions, focussing on electromagnetic probes. We present mainly four topics: electric conductivity and diffusion properties of the hot plasma and hadronic matter, response of the quark-gluon plasma to external magnetic fields, direct photon production in the quark-gluon plasma and a study about initial and final state effects in small systems. [...]

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