Search Results - "Finn, Erin C"

Rapid quantitation of uranium from mixed fission product samples by Haney, Morgan M., Seiner, Brienne N., Finn, Erin C., Friese, Judah I.

“…Chemical similarities between uranium(VI) and molybdenum(VI) create challenges for separation and quantitation of uranium isotopes from a mixed fission product…”
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Activation product analysis in a mixed sample containing both fission and neutron activation products by Morrison, Samuel S., Clark, Sue B., Eggemeyer, Tere A., Finn, Erin C., Hines, C. Corey, King, Mathew D., Metz, Lori A., Morley, Shannon M., Snow, Mathew S., Wall, Donald E., Seiner, Brienne N.

“…This work describes a radiochemical separation procedure for the determination of gold (Au), platinum (Pt), tantalum (Ta), and tungsten (W) activation in the…”
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Cumulative fission yields of short-lived isotopes under natural-abundance-boron-carbide-moderated neutron spectrum by Finn, Erin C., Metz, Lori, Greenwood, Larry, Pierson, Bruce, Wittman, Richard, Friese, Judah, Kephart, Rosara

“…This work expands the availability of energy-resolved short-lived cumulative fission product yields for 235,238,233 U, 239 Pu, and 237 Np subjected to a 2$…”
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Liquid scintillation counting of environmental radionuclides: a review of the impact of background reduction by Douglas, Matthew, Bernacki, Bruce E., Erchinger, Jennifer L., Finn, Erin C., Fuller, Erin S., Hoppe, Eric W., Keillor, Martin E., Morley, Shannon M., Mullen, Crystal A., Orrell, John L., Panisko, Mark E., Warren, Glen A., Wright, Michael E.

“…Liquid scintillation counting (LSC) supports a range of environmental science measurements. At Pacific Northwest National Laboratory, we are constructing an…”
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Modeling and production of 240Am by deuteron-induced activation of a 240Pu target by Finn, Erin C., McNamara, Bruce, Greenwood, Larry, Wittman, Richard, Soderquist, Charles, Woods, Vincent, VanDevender, Brent, Metz, Lori, Friese, Judah

“…A novel reaction pathway for production of 240Am is reported. Models of reaction cross-sections in EMPIRE II suggest that deuteron-induced activation of a…”
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Dissolution of uranium oxides under alkaline oxidizing conditions by Smith, Steven C., Peper, Shane M., Douglas, Matthew, Ziegelgruber, Kate L., Finn, Erin C.

“…Bench scale experiments were conducted to determine the dissolution characteristics of UO 2 , U 3 O 8 , and UO 3 in aqueous peroxide-containing carbonate…”
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Self-absorption effects on alpha-induced atmospheric nitrogen fluorescence yield by Bachelor, Paula P., Jordan, David V., Harper, Warren W., Cannon, Bret D., Finn, Erin C.

“…Nitrogen fluorescence induced by radiation can be used to detect the presence of radioactive contamination in the environment. Contamination quantification…”
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Polonium–lead extractions to determine the best method for the quantification of clean lead used in low-background radiation detectors by Miley, S. M., Payne, R. F., Schulte, S. M., Finn, Erin C.

“…Radiation detectors used to search for the existence of exceptionally rare phenomena, such as double-beta decay and dark matter interactions, as well as tiny…”
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Cu metal based radiotellurium separation from simulated and HEU process streams by Uhnak, Nicolas E., Morrison, Samuel S., Morley, Shannon, Edwards, Angela, Finn, Erin, Seiner, Brienne N.

“…Radioiodine interferes significantly in short-lived and low yield fission product detection by radiometric means. A simple method has been developed for…”
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Design and testing of a 10B4C capsule for spectral-tailoring in mixed-spectrum reactors by Greenwood, L.R., Wittman, R., Metz, L.A., Finn, E.C., Friese, J.I.

“…A boron carbide capsule highly enriched in 10B has been designed and used for spectral-tailoring experiments at the TRIGA reactor at Washington State…”
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Integrated separation scheme for measuring a suite of fission and activation products from a fresh mixed fission and activation product sample by Morley, Shannon M., Seiner, Brienne, Finn, Erin, Greenwood, Larry, Smith, Steven C., Gregory, Stephanie, Haney, Morgan, Lucas, Dawn, Arrigo, Leah, Beacham, Tere, Swearingen, Kevin, Friese, Judah, Douglas, Matthew, Metz, Lori

“…Mixed fission and activation materials resulting from various nuclear processes and events contain a wide range of isotopes for analysis spanning almost the…”
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Liquid Scintillation Counting of Environmental Radioisotopes: A Review of the Impact of Background Reduction by Douglas, Matthew, Bernacki, Bruce E., Erchinger, Jennifer L., Finn, Erin C., Fuller, Erin S., Hoppe, Eric W., Keillor, Martin E., Morley, Shannon M., Mullen, Crystal A., Orrell, John L., Panisko, Mark E., Warren, Glen A., Wright, Michael E.

“…Liquid scintillation counting (LSC) is a versatile and commonplace method for radiometric measurement of charged particle emitting radionuclides. The LSC…”
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Fission products measured from highly-enriched uranium irradiated under 10B4C in a research reactor by Metz, L. A., Friese, J. I., Finn, E. C., Greenwood, L. R., Hines, C. C., King, M. D., Wall, D. E.

“…Prior work has demonstrated the use of a natural B 4 C capsule for spectral-tailoring in a mixed spectrum reactor as an alternate and complementary method to…”
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Comparison of impurities in charcoal sorbents found by neutron activation analysis by Doll, Charles, Finn, Erin, Cantaloub, Michael, Greenwood, Larry, Kephart, Jeremy, Kephart, Rosara F.

“…Neutron activation of gas samples in a reactor often requires a medium to retain sufficient amounts of the gas for analysis. Charcoal is commonly used to…”
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Short-lived fission product measurements from >0.1 MeV neutron-induced fission using boron carbide by Finn, Erin, Metz, Lori, Greenwood, Larry, Pierson, Bruce, Friese, Judah, Kephart, Rosara, Kephart, Jeremy

“…A boron carbide shield was designed, custom fabricated, and used to create a fast fission energy neutron spectrum. The fissionable isotopes 233, 235, 238 U,…”
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Fission yield measurements from highly enriched uranium irradiated inside a boron carbide capsule by Metz, L. A., Friese, J. I., Finn, E. C., Greenwood, L. R., Kephart, R. F., Hines, C. C., King, M. D., Henry, K. M., Wall, D. E.

“…A boron carbide capsule was previously designed and tested by Pacific Northwest National Laboratory (PNNL) and Washington State University (WSU) for…”
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Investigation of gravity lanthanide separation chemistry by Payne, R. F., Schulte, S. M., Douglas, M., Friese, J. I., Farmer, O. T., Finn, E. C.

“…Lanthanides are common fission products and the ability to separate and quantify these elements is critical to rapid radiochemistry applications. Published…”
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Identifying and quantifying short-lived fission products from thermal fission of HEU using portable HPGe detectors by Pierson, B. D., Finn, E. C., Friese, J. I., Greenwood, L. R., Kephart, J. D., Kephart, R. F., Metz, L. A.

“…Due to the emerging potential for trafficking of special nuclear material, research programs are investigating current capabilities of commercially available…”
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Separation and quantification of chemically diverse analytes in neutron irradiated fissile materials by Douglas, M., Friese, J. I., Greenwood, L. R., Farmer, O. T., Thomas, M. L., Maiti, T. C., Finn, E. C., Garofoli, S. J., Gassman, P. L., Huff, M. M., Schulte, S. M., Smith, S. C., Thomas, K. K., Bachelor, P. P.

“…Quantitative measurement of fission and activation products resulting from neutron irradiation of fissile materials is of interest for applications in…”
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Design and Testing of a Boron Carbide Capsule for Spectral Tailoring in Mixed-Spectrum Reactors by Greenwood, L. R., Wittman, R., Pierson, B. P., Metz, L. A., Payne, R., Finn, E. C., Friese, J. I.

“…A boron carbide capsule has been designed and used for spectral-tailoring experiments at the TRIGA reactor at Washington State University. Irradiations were…”
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