Index Catalog // ScholarsArchive@OSU

Monte Carlo Radiation Transfer Simulations of Gamma Ray Burst Prompt Emission

Creator:: Parsotan, Tyler M.
Abstract:: Gamma Ray Bursts (GRBs) are the most energetic explosions in the Universe, producing up to $\sim10^{53}$ ergs of energy in the first few seconds of their emission -- the so-called prompt phase that is dominated by high energy X-ray and $\gamma$-ray photons. The very large luminosities released in these events...
Resource Type:: Dissertation
Full Text:: Radiation Transfer Simulations of Gamma Ray Burst Prompt Emission Abstract approved: Davide Lazzati

Gamma-gamma directional correlation in magnesium-24

Creator:: Glasgow, Dale William
Resource Type:: Dissertation
Full Text:: - esting conversations regarding theory, Dr. David Nicodemus for helpful discussions of the experiment

Gamma- and beta-ray spectroscopy studies of the radioactive decay of Mn-51 to Cr-51

Creator:: Glibert, Kenneth Malcolm
Abstract:: The decay scheme of Mn⁵¹ has been investigated using gamma-ray and beta-ray scintillation spectrometers and a fast coincidence spectrometer. A half-life value of 46.5 ± 0.2 minutes was determined for Mn⁵¹ which decays predominantly to the ground state of Cr⁵¹ by the emission of positons with an experimentally measured end-point...
Resource Type:: Dissertation
Full Text:: Gamma- and beta-ray spectroscopy studies of the

Growth and characterization of the p-type semiconductors SnS and BiCuOSe

Creator:: Francis, Jason
Abstract:: BiCuOSe and SnS are layered, moderate band gap (ε[subscript G] ≈ 1 eV) semiconductors that exhibit intrinsic p type conductivity. Doping of BiCuOSe with Ca results in a slight expansion of the lattice and an increase of the hole concentration from 10¹⁸ cm⁻³ to greater than 10²⁰ cm⁻³. The large...
Resource Type:: Dissertation
Full Text:: , which lack this lone pair. However, both LaCuOSe and BiCuOSe have similar hole mobility. X-ray

Sudbury Neutrino Observatory energy calibration using gamma-ray sources

Creator:: Dragowsky, Michael Raymond
Resource Type:: Dissertation
Full Text:: -ray sources AN ABSTRACT OF THE DISSERTATION OF Michael Raymond Dragowsky for the degree of Doctor

Gamma-gamma directional correlation study of barium-134

Creator:: Coleman, Lamar William
Abstract:: Gamma-gamma directional correlations were measured in Ba¹³⁴ at ten angles between 90 degrees and 180 degrees in ten degree increments using a scintillation spectrometer. The spectrometer which used NaI crystals, differential energy selection, and standard coincidence techniques was tested by measuring the directional correlation of the two cascade gamma rays...
Resource Type:: Dissertation
Full Text:: . Harry Easterday and David Nicodemus and Mr. Raymond Sornrnerfeldt for rnany heipful discussions about

The dynamics of oxygen vacancies in zirconia : an analysis Of PAC data

Creator:: Alves, Mauro A.
Abstract:: Nuclear techniques such as perturbed angular correlation (PAC) sample the hyperfine interactions of a large number of probe atoms in specific crystallographic sites. Real crystals contain static defects producing a distribution of electric field gradients (EFGs) that add to the ideal EFG of the crystal at any given probe site....
Resource Type:: Dissertation
Full Text:: first 'y ray, 'Yi of the cascade decay, and a detector at an arbitrary position. The direction of

Angular correlation measurements from the β decay of ¹⁶⁶mHo and ¹⁶⁶Tm and the properties of the gamma vibrational band in ¹⁶⁶Er

Creator:: Loats, Jeffrey T.
Abstract:: Angular correlations of gamma rays from excited states of ¹⁶⁶Er have been measured following the β decays of ¹⁶⁶ Ho (Jπ =7-, t 1/2 =1200y, Q= 1854 ke V) and ¹⁶⁶Tm (Jπ = 2+, t 1/2, = 7.7h, Q=3040 keV). Data was collected using the 8π spectrometer, an array of...
Resource Type:: Dissertation
Full Text:: theory of gamma- ray spectroscopy and deformed nuclei is presented along with experimental methods and

A rubidium atomic funnel

Creator:: Swanson, Thomas B.
Abstract:: A low velocity, low temperature beam of atoms is produced from a two-dimensional magneto-optic trap known as an atomic funnel. The funnel provides simultaneous spatial and velocity compression of atoms and will provide a source for a three-grating atomic interferometer. Rubidium atoms from an oven are slowed by chirped cooling...
Resource Type:: Dissertation
Full Text:: : A Rubidium Atomic Funnel. Abstract Approved: David H. McIntyre A low velocity, low temperature

The unitary model operator approach to structure in the 2s-1d shell

Creator:: Nisley, Richard Arthur
Abstract:: Effective two-body interactions were obtained from realistic nucleon-nucleon potentials and applications made in calculations of ground state properties of even-even N=Z light nuclei. The admixture of high momentum states into the nuclear wavefunction caused by the strong, short-range repulsion of the two-nucleon force was taken into account by making a...
Resource Type:: Dissertation

ScholarsArchive@OSU

Monte Carlo Radiation Transfer Simulations of Gamma Ray Burst Prompt Emission

Gamma-gamma directional correlation in magnesium-24

Gamma- and beta-ray spectroscopy studies of the radioactive decay of Mn-51 to Cr-51

Growth and characterization of the p-type semiconductors SnS and BiCuOSe

Sudbury Neutrino Observatory energy calibration using gamma-ray sources

Gamma-gamma directional correlation study of barium-134

The dynamics of oxygen vacancies in zirconia : an analysis Of PAC data

Angular correlation measurements from the β decay of ¹⁶⁶mHo and ¹⁶⁶Tm and the properties of the gamma vibrational band in ¹⁶⁶Er

A rubidium atomic funnel

The unitary model operator approach to structure in the 2s-1d shell

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