Index Catalog // ScholarsArchive@OSU

Total Kinetic Energy Release in the Fast Neutron Induced Fission of 237Np

Creator:: Pica, Ashley
Abstract:: The total kinetic energy (TKE) in the fast neutron induced fission of 237Np was measured for neutron energies from En = 2.6 – 45.7 MeV at the LANSCE- WNR facility. The postTKE release decreases non-linearly with increasing incident neutron energy and can be represented as TKE(MeV) = (169.365 ± 1.551)...
Resource Type:: Dissertation

Uranyl Peroxide Cluster Formation Pathway and the Role of the Alkali Counterion

Creator:: Arteaga, Ana
Abstract:: Uranyl peroxide clusters are the newest family of polyoxometalates, discovered in 2015. Although this family is new, over 70 topologies have been reported. However, we lack the fundamental understanding of assembly mechanisms, particularly the role of the alkali countercations. Here, we use a wide range of solution and solid-state characterization...
Resource Type:: Dissertation

Organic/Inorganic Hybrid Materials of Uranyl Peroxide Clusters and Uranium Minerals

Creator:: Neal, Harrison A.
Abstract:: Frontier research of non-aqueous actinide clusters is discussed. Since the inception of the uranyl peroxide clusters over the last decade, they have only been synthesized and characterized as solid crystals and in aqueous solution. This thesis provides thorough characterization of aqueous uranyl clusters and the first demonstration of uranyl cluster...
Resource Type:: Dissertation

Characterization and Development of Ni-based Superalloys for Supercritical Carbon Dioxide Applications

Creator:: Adam, Benjamin M.
Abstract:: The advent of supercritical CO2 as a new heat-exchange medium has seen strong interest from the power industry and the energy research field recently. It is advan- tageous in comparison with other heat-exchange cycles, as it can be operated safely at much higher temperatures and pressures, thus increasing the thermal...
Resource Type:: Dissertation

Survival Mediated Capture and Fusion Cross Sections for Heavy Element Synthesis

Creator:: Yao, Liangyu
Abstract:: The synthesis of superheavy element evaporation residues is described by the product of the capture cross section, fusion probability, and survival probability. Capture cross sections are moderately well known. The fusion probability is the least known with many uncertainties. The formalism for the survival probability is known, but the parameters...
Resource Type:: Dissertation

Determination of Reaction Product Cross Sections in the ¹³⁶Xe + ²⁰⁸Pb Multi-nucleon Transfer Reaction at E[subscript cm] = 450 MeV

Creator:: Barrett, J. Spencer
Abstract:: The yields of 235 projectile-like and target-like fragments from the interaction of ¹³⁶Xe with a thick target of ²⁰⁸Pb at a center-of-mass energy, E[subscript cm], of 450 MeV were measured using γ-γ-γ coincidence data from Gammasphere and off-line γ-ray spectroscopy. The results give an expansive picture of the production cross...
Resource Type:: Dissertation

Real-time radioxenon measurement using a Compton-suppressed well-type phoswich detector for nuclear explosion monitoring

Creator:: Alemayehu, Bemnet
Abstract:: Radioxenon detection is a technique used to monitor nuclear explosion and verify the Comprehensive Nuclear-Test-Ban Treaty (CTBT). Because of an ultra-low concentration of radioxenon at radioxenon monitoring stations, radioxenon detection systems must have high sensitivity. This sensitivity is measured in terms of detector's minimum detectable concentration (MDC). It is required...
Resource Type:: Dissertation
Full Text:: dissertation committee: Professor David M. Hamby, Dr. Alena Paulenova, Professor Huaping Liu and Dr. Leah

Dose-effects relationships in non-human biota : development of field sampling, dosimetric and analytic techniques through a case study of the aquatic snail Campeloma decisum at Chalk River Laboratories

Creator:: Ruedig, Elizabeth B.
Abstract:: In the last decade regulatory bodies have begun to implement standards to protect populations of non-human biota (NHB) from the consequences of radiation exposure. This is a departure from previous regulatory frameworks which were concerned only with protecting man. The implementation of these new standards has started an ongoing discussion...
Resource Type:: Dissertation
Full Text:: laughs. I am also grateful to my committee mem bers, David Hamby, Alena Paulenova, Sue Carozza, and

Foliar interception and uptake of ³⁶Cl by crops

Creator:: Bytwerk, David Paul
Abstract:: Greenhouse studies were conducted to determine interception, absorption, and translocation values for foliar applied ³⁶Cl. Foliar interception and uptake of contaminated irrigation water by crops is a major pathway for the transport of radionuclides to human beings in scenarios relevant to the waste disposal community. Performance assessments of many repositories...
Resource Type:: Dissertation
Full Text:: this dissertation possible. My committee members David Hamby, Kenneth Krane, Alena Paulenova, and

Magnetic particles for selective extraction of trace analytes in microfluidic devices

Creator:: Tennico, Yolanda H.
Abstract:: The development of micro total analysis systems (µTAS), also called “lab-on-a-chip”, or microfluidic analysis systems, is presented in this dissertation. Various research areas, covering subjects from magnetic particles synthesis to novel microchip fabrication techniques, are explored to develop a lab-on-a-chip system capable of performing magnetic bead-based bioassays. These devices are...
Resource Type:: Dissertation
Full Text:: -hung (Alex) Chang, Dr. Michael Lerner, Dr. Alexey Shvarev, and Dr. Alena Paulenova, for their

ScholarsArchive@OSU

Total Kinetic Energy Release in the Fast Neutron Induced Fission of 237Np

Uranyl Peroxide Cluster Formation Pathway and the Role of the Alkali Counterion

Organic/Inorganic Hybrid Materials of Uranyl Peroxide Clusters and Uranium Minerals

Characterization and Development of Ni-based Superalloys for Supercritical Carbon Dioxide Applications

Survival Mediated Capture and Fusion Cross Sections for Heavy Element Synthesis

Determination of Reaction Product Cross Sections in the ¹³⁶Xe + ²⁰⁸Pb Multi-nucleon Transfer Reaction at E[subscript cm] = 450 MeV

Real-time radioxenon measurement using a Compton-suppressed well-type phoswich detector for nuclear explosion monitoring

Dose-effects relationships in non-human biota : development of field sampling, dosimetric and analytic techniques through a case study of the aquatic snail Campeloma decisum at Chalk River Laboratories

Foliar interception and uptake of ³⁶Cl by crops

Magnetic particles for selective extraction of trace analytes in microfluidic devices

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