Index Catalog // ScholarsArchive@OSU

Commissioning of the NDDL-40 Neutron Detection System at Oregon State University

Creator:: Boulton, Nicholas M.
Abstract:: The Neutron radiography facility (NRF) at Oregon State University (OSU) has been modified to begin working on the non-destructive evaluation of concrete materials to study the early stages of shrinkage, cracking, and water transport of concrete during the curing process. The objective of this work is to investigate the efficiency...
Resource Type:: Masters Thesis
Full Text:: . Abstract approved: ______________________________________________________ Steven R. Reese The

SCALE 6 (TRITON) Simulations of Fission Product Gamma Line Emissions and their Comparison to Plutonium and Uranium Measurements

Creator:: Sanchez, Timothy J.
Abstract:: Thin foil samples of special nuclear materials (SNMs) were irradiated for 60s using a Mark TRIGA II reactor, and their associated gamma emissions were recorded with a count time of 60s following irradiation. A rapid pneumatic transfer system was used to irradiate the samples in front of beam port #4....
Resource Type:: Masters Thesis
Full Text:: Plutonium and Uranium Measurements. Abstract approved: Steven R. Reese Thin foil samples of

Exploring Novel Contrast Agents with Anthropomorphic Mesh Models in MCNP

Creator:: Garcia, Jacqueline K.
Abstract:: Breast cancer is the leading cancer in women with an estimated 13% of women in the United States developing a form of invasive breast cancer in her lifetime. The survival rate is estimated to be 85%, but the American Cancer Society estimates that early detection of breast cancer in the...
Resource Type:: Dissertation
Full Text:: : ______________________________________________________ Steven Reese Abstract: Breast cancer is the leading cancer in women with an estimated 13

Creating Anthropomorphic Models with Mesh Phantoms in MCNP to Simulate Mammography

Creator:: Garcia, Jacqueline K.
Abstract:: Breast cancer is the most common cancer among women as it accounts for about 25% of all female cancer cases. Studies have shown that early detection of breast cancer increases the chances of a positive prognosis amongst patients therefore it is crucial to provide accurate diagnosis tools in routine exams....
Resource Type:: Masters Thesis
Full Text:: Mammography Abstract approved: ______________________________________________________________ Steven R

Neutron Attenuation and Hydration of Cement Paste made with Light and Heavy Water

Creator:: Goodwin, Margaret N.
Abstract:: Neutron radiography has been used to study cementitious materials. This thesis studies the impact of heavy water on both the rate of hydration and neutron radiography. The neutron attenuation coefficients of light and heavy water were measured. Cement pastes were made with both heavy and light water. The attenuation coefficients...
Resource Type:: Masters Thesis
Full Text:: Abstract approved: ______________________________________________________ Steven R. Reese

A Beta-Gamma Radioxenon Detection System using Ultra-Bright Inorganic Scintillators and Solid State Detectors

Creator:: Czyz, Steven A.
Abstract:: The atmospheric detection of four radioxenon isotopes (131mXe, 133mXe, 133Xe, and 135Xe) released during a nuclear detonation is a key tool utilized by the Comprehensive Nuclear-Test-Ban Treaty Organization (CTBTO) to identify clandestine nuclear weapon testing activity. These radioxenon isotopes all decay via the near-simultaneous release of an electron and a...
Resource Type:: Dissertation
Full Text:: ABSTRACT OF THE DISSERTATION OF Steven A. Czyz for the degree of Doctor of Philosophy in Nuclear

Verifying safe use of a thinner aluminum scattering chamber for fission physics

Creator:: Porter, Eben, Jr.
Abstract:: This thesis describes calculations done to determine the radiation hazard of the current Prompt Gamma Neutron Activation Analysis (PGNAA) scattering chamber at the Oregon State TRIGA Reactor (OSTR) and compare it to the amount that would be given off by a new thin-walled chamber design. These calculations were completed with...
Resource Type:: Masters Thesis
Full Text:: Dr. Steven Reese for giving me some of the literature review along with access to some of the

The Effect of Isothermal Aging on the Development of Long-Range Order in Ni-based Alloys

Creator:: Aerne, Nicholas S. J.
Abstract:: Nickel (Ni)-based alloys with a high chromium (Cr) content are frequently employed in applications where elevated temperatures and/or corrosive environments are present due to their excellent corrosion resistance and mechanical properties. However, a gap exists around the formation, and kinetics of long-range order (LRO) Ni2Cr phase in both model binary...
Resource Type:: Dissertation
Full Text:: ABSTRACT OF THE DISSERTATION OF Nicholas Steven Jude Aerne for the degree of Doctor of Philosophy in

Cherenkov Glass Detectors for Gamma and Neutron Detection

Creator:: Natto, Hattan
Abstract:: Cherenkov detectors have been developed and used in several fields since the discovery of Cherenkov radiation. They do have several advantages compared with other detector types, such as low noise due to the low-energy threshold of Cherenkov radiation, and short decay constant (on the order of picoseconds). However, the light...
Resource Type:: Dissertation
Full Text:: for what he has done for me. Also, I would take the chance to thank Dr. Abi Farsoni, Dr. Steven

Short-lived Photofission Product Yields and Analytical Methods for Nuclear Forensic Application

Creator:: Foley, Ari A. R.
Abstract:: The evaluated nuclear data widely used in computational tools suffer from inaccuracies and large relative uncertainties, particularly with respect to short-lived and low-yield fission products. The existing data are often based on nuclear models, and limited experimental measurements of these fission product yields have been performed. This work seeks to...
Resource Type:: Masters Thesis

ScholarsArchive@OSU

Commissioning of the NDDL-40 Neutron Detection System at Oregon State University

SCALE 6 (TRITON) Simulations of Fission Product Gamma Line Emissions and their Comparison to Plutonium and Uranium Measurements

Exploring Novel Contrast Agents with Anthropomorphic Mesh Models in MCNP

Creating Anthropomorphic Models with Mesh Phantoms in MCNP to Simulate Mammography

Neutron Attenuation and Hydration of Cement Paste made with Light and Heavy Water

A Beta-Gamma Radioxenon Detection System using Ultra-Bright Inorganic Scintillators and Solid State Detectors

Verifying safe use of a thinner aluminum scattering chamber for fission physics

The Effect of Isothermal Aging on the Development of Long-Range Order in Ni-based Alloys

Cherenkov Glass Detectors for Gamma and Neutron Detection

Short-lived Photofission Product Yields and Analytical Methods for Nuclear Forensic Application

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