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

Longitudinal electroproduction of charged pions from Hydrogen, Deuterium, and Helium-3

Creator:: Gaskell, David J.
Abstract:: Conventional pictures of nuclear interactions, in which the pion mediates the long/medium range part of the nuclear force, predict an enhancement of the virtual pion cloud in nuclei relative to that in the free nucleon. Jefferson Lab Experiment E91003 measured charged pion electroproduction from Hydrogen, Deuterium, and Helium-3. The longitudinal...
Resource Type:: Dissertation
Full Text:: , Deuterium, and Helium-3 AN ABSTRACT OF THE THESIS OF David J. Gaskell for the degree of Doctor of

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

Longitudinal electroproduction of charged pions from Hydrogen, Deuterium, and Helium-3

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