Index Catalog // ScholarsArchive@OSU

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
Full Text:: Determination of Reaction Product Cross Sections in the 136Xe

Studying fusion reactions for effect of PCN on heavy nucleus formation and for nuclear structure effects

Creator:: Naik, Radhika
Abstract:: The fusion reaction ²⁰⁸Pb (⁵⁰Ti, xn) ²⁵⁸⁻x Rf (x = 1-3) was studied to determine PCN (probability that the mononucleus system evolves to form a compound nucleus inside the fission saddle point) and to establish the value of Wsur (survival probability) for the given reaction experimentally. The fission excitation function...
Resource Type:: Dissertation
Full Text:: fit using the Back et al. prescription to determine JCN and σCN. The total fission cross section (σ

Monolithic sorbents for microscale separations

Creator:: Doneanu, Angela
Abstract:: Over the last decade, the miniaturization of analytical systems has become an increasingly important and interesting research area. Miniaturized systems offer many advantages, including reduced reagent and sample consumption, shorter analysis times, portability and disposability. This dissertation describes novel approaches in this direction, focusing on two areas: the miniaturization of...
Resource Type:: Dissertation
Full Text:: ) dendrimers were incorporated into a solution of functionalized monomer, cross-linker, solvents, and

High quantum-yield phosphors via quantum splitting and upconversion

Creator:: Jeong, Joayoung
Abstract:: The Gd3+ ion has been used to induce quantum splitting in luminescent materials by using cross-relaxation energy transfer (CRET). In Nd:LiGdF4, quantum splitting results from a two-step CRET between Gd3+ and Nd3+, first involving a transition 6G→6I on Gd3+ and an excitation within the 4f3 configuration of Nd3+ followed by...
Resource Type:: Dissertation
Full Text:: luminescent materials by using cross-relaxation energy transfer (CRET). In Nd:LiGdF4, quantum splitting

Development of trace enrichment techniques for trace metals in natural waters using high pressure liquid chromatography

Creator:: Ambrose, Arthur Sigurd
Abstract:: An on-line trace enrichment (TE) system, based on high pressure liquid chromatogroaphy (HPLC) and flame atomic absorption (AA), has been developed for trace metal analysis. The sample is pumped through a column filled with a cation exchange resin which traps metal ions. The ions are subsequently stripped from the column...
Resource Type:: Dissertation

Applications of redox indicators for evaluating redox conditions in environmental samples

Creator:: Jones, Brian Dion
Resource Type:: Dissertation
Full Text:: integrity .......................................... 39 3.2 Assembly of cross-flow filter (a) and

The effect of small quantities of nonelectrolytes upon structure and setting time of gelatin gels

Creator:: Shearer, William Norman
Resource Type:: Dissertation
Full Text:: gelatin, to equal 4~ g .. dry weight~ into standard 500 ml. wide mouth bot tles, whose cross sectional

Time-of-flight scattering and recoil spectrometry (TOF-SARS) applied to molecular liquid surfaces : a new approach to surface composition and orientation

Creator:: Gannon, Thomas J.
Abstract:: In spite of their importance in many systems, liquid surfaces have been explored at the microscopic level to a much lesser extent than solids. Most surface analysis must take place in vacuum, a major drawback for liquids. The technique of time-of-flight scattering and recoil spectrometry (TOF-SARS) has been applied to...
Resource Type:: Dissertation
Full Text:: orientation for the substituted aromatic anion was discovered. Tim~of-Flight Scattering and Recoil

The identification and quantitation of complex polycyclic aromatic hydrocarbon mixtures in environmental samples using comprehensive two-dimensional gas chromatography with time-of-flight mass spectrometry

Creator:: Manzano, Carlos A.
Abstract:: Polycyclic aromatic hydrocarbons (PAHs) are ubiquitous contaminants and are mostly products of the incomplete combustion of organic material. PAHs are often found in environmental samples as a complex mixture of isomers. In addition, the same sources that produce complex PAH mixtures also produce other poorly characterized mixtures of organic compounds,...
Resource Type:: Dissertation

Detection techniques for biomolecules using semi-conductor nanocrystals and magnetic beads as labels

Creator:: Chatterjee, Esha
Abstract:: Continued interest in the development of miniaturized and portable analytical platforms necessitates the exploration of sensitive methods for the detection of trace analytes. Nanomaterials, on account of their unique physical and chemical properties, are not only able to overcome many limitations of traditional detection reagents but also enable the exploration...
Resource Type:: Dissertation
Full Text:: ups and downs of graduate school. I would like to thank Simon Ghionea and Tim Marr, our

ScholarsArchive@OSU

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

Studying fusion reactions for effect of PCN on heavy nucleus formation and for nuclear structure effects

Monolithic sorbents for microscale separations

High quantum-yield phosphors via quantum splitting and upconversion

Development of trace enrichment techniques for trace metals in natural waters using high pressure liquid chromatography

Applications of redox indicators for evaluating redox conditions in environmental samples

The effect of small quantities of nonelectrolytes upon structure and setting time of gelatin gels

Time-of-flight scattering and recoil spectrometry (TOF-SARS) applied to molecular liquid surfaces : a new approach to surface composition and orientation

The identification and quantitation of complex polycyclic aromatic hydrocarbon mixtures in environmental samples using comprehensive two-dimensional gas chromatography with time-of-flight mass spectrometry

Detection techniques for biomolecules using semi-conductor nanocrystals and magnetic beads as labels

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