Browsing MS Theses - DO NOT EDIT by Title
Now showing items 8-27 of 60
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Blocker-based Scatter Correction For Cone-beam Computed Tomography
Cone-beam computed tomography (CBCT) imaging is widely used in radiation therapy for treatment planning and image-guided therapy. More x-ray scatter signals are detected by the two-dimensional detector arrays in CBCT than ... -
Calibration Of The Atlas Intermediate Tile Calorimeter
(Physics, 2011-07-14)The Large Hadron Collider (LHC) at CERN near Geneva, Switzerland is the world's largest particle collider. UTA contributes to the ATLAS detector at the LHC. There are many detection systems within ATLAS, and the hadronic ... -
Can Silicon Carbide Nanotubes Be Effective Storage Medium For Hydrogen Storage?
(Physics, 2009-09-16)A systematic study of molecular hydrogen adsorption on three different atomic configurations of armchair SICNTs has been performed. In the first stage of our study, first principles calculations using both density functional ... -
CARDIAC SINGLE PHOTON EMISSION COMPUTED TOMOGRAPHY (SPECT) SIMULATION USING THE XCAT PHANTOM AND THE SIMIND PACKAGE
(2022-08-17)Clinical data indicates a prevalence of transmural perfusion defects in the apical, mid, and basal segment of the left ventricle (LV) wall in patients with coronary artery diseases (CAD). To administer therapeutic regimes ... -
Case Studies Of The Circular Restricted Three Body Problem
(Physics, 2007-08-23)In this thesis, the onset of instability for a planet which is part of a stellar binary system is investigated by running numerical simulations of the circular restricted three body problem. This study also makes use of a ... -
Catalogue of Computed Pseudo-Redshifts from BATSE GRB Data
(2020-06-08)We present a catalog of the redshift estimates and probability distributions for 565 individual Short-duration Gamma-Ray Bursts (SGRBs) detected by the Burst And Transient Source Experiment (BATSE). This result is based ... -
Conditions For Wave Propagation Along Solar Magnetic Flux Tubes
(Physics, 2007-08-23)There is an intimate relation between all aspects of the solar activity and the presence of solar magnetic fields. Observations showed that the magnetic field at the photospheric level consists of magnetic flux tubes, which ... -
Derivation Of Generalized Lorenz Systems To Study The Onset Of Chaos In High Dimension
(Physics, 2007-08-23)This thesis provides a new method to derive high dimensional generalized Lorenz systems. Lorenz system is a celebrated nonlinear dynamical dissipative system which was originally derived by Lorenz to study chaos in weather ... -
Development And Characterization Of Gas Electron Multiplier Chambers For A Digital Hadron Calorimeter In The International Linear Collider
(Physics, 2009-09-16)Gas Electron Multiplier, or GEM, technology provides an attractive option for high precision jet energy measurements for future high energy physics experiments at the International Linear Collider. High voltage settings ... -
Effects Of Temperature Gradients On Transverse Oscillations Of Solar Magnetic Flux Tubes
(Physics, 2007-08-23)Solar magnetic flux tubes support three fundamental modes: longitudinal, transverse and torsional tube waves. Previous studies showed that the propagation of longitudinal and transverse waves along thin and isothermal ... -
The Electronic Properties Of Noble Metal Doped Silicon Nanocrystals Using Hybrid Density Functional Theory
(Physics, 2013-07-22)One of the most challenging issues in semiconductor physics is to engineer band structures for a particular device. Contemporary photovoltaic (PV) and photoelectrochemical (PEC) devices rely on defect energy levels and ... -
EVALUATION AND DEVELOPMENT OF BETA PARTICLE IMAGERS
(2018-08-08)Compact beta imagers have the great potential for tumor localization for radio-guided treatment interventions thanks, in part, to their natural collimation of beta particles. Their rapid survey capabilities of small areas, ... -
Ferroelectric And Ferromagnetic Behavior Of Oxide Containing Thin Films
Oxide materials are important due to their interesting physical properties for applications in future electronic devices. Thin film oxide materials show a variety of electric and magnetic properties such as ferroelectric, ... -
First Measurements Of The Low Energy Tail (LET) Down To 0 eV Using Auger Photoelectron Coincidence Spectroscopy (APECS) In Ag (100) And Cu (100)
(Physics, 2011-03-03)We present the Auger Photoelectron Coincidence Spectroscopy (APECS) measurements of Ag (100) and Cu (100) over a full range of emitted energies from 0 eV to 81eV. The coincidence measurements were successful in separating ... -
First Principles Computational Modeling Of The Surface Properties Of Uranium Dioxide
(Physics, 2014-07-14)The interaction of uranium dioxide (UO₂) with environmental elements occurs at its exposed surface and a fundamental understanding of this interaction process begins at the atomic scale. In this regard, atomic scale ... -
First Principles Study Of Properties Of The Oxidized Cu(100) And Cu(110)
(Physics, 2013-07-22)Copper based catalysts are of importance to a number of industrial processes including the synthesis of methanol, the reduction and decomposition of nitrogen oxides, and treatment of waste water. In copper catalysis surface ... -
A First-principles Study On Bulk CuO: Electronic Structures And Native Point Defects
(Physics, 2007-08-23)In this thesis, we have performed a first-principles study on strongly correlated monoclinic cupric oxide (CuO) by using the LSDA+U method implemented in the PAW method. Based on the optimized structural parameters, which ... -
A First-principles Study On The Enhancement Of Beryllium Doping In Gallium Nitride
(Physics, 2007-08-23)The excellent physical and electrical properties of Gallium Nitride (GaN) have made it a good candidate in light-emitting diodes and UV detecting semiconductor materials. However, GaN's p-type doping has long been a ... -
Germanium Based Nanotubes: Fact Or Fiction?
(Physics, 2008-09-17)Unlike carbon nanotubes, nanostructures of Ge, a group IV semiconductor, have not been fully explored. In particular, there is limited data available on Germanium-based nanotubes. The aim of this thesis is to explore the ... -
Investigation Of KeV Beta Particle Transportation In Matter
Nuclear imaging is widely used in medicine for more accurate diagnoses and more effective treatment for cancer. Current emission tomography techniques used in clinics may not efficiently detect ...