Search Results - "Ely, J. H."

Discrimination of naturally occurring radioactive material in plastic scintillator material by Ely, J.H., Kouzes, R.T., Geelhood, B.D., Schweppe, J.E., Warner, R.A.

“…Plastic scintillator material is used in many applications for the detection of gamma rays from radioactive material, primarily due to the sensitivity per unit…”
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Development of an absolute gas-counting capability for low to medium activities by Williams, R.M., Aalseth, C.E., Ely, J.H., Day, A.R., Hayes, J.C., Hoppe, E.W., LaFerriere, B., Mace, E.K., Merriman, J., Overman, C.T., Seifert, A.

“…Pacific Northwest National Laboratory (PNNL) is developing a capability to measure the absolute activity concentration of gaseous radionuclides using…”
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Neutron detection via bubble chambers by Jordan, D.V., Ely, J.H., Peurrung, A.J., Bond, L.J., Collar, J.I., Flake, M., Knopf, M.A., Pitts, W.K., Shaver, M., Sonnenschein, A., Smart, J.E., Todd, L.C.

“…Research investigating the application of pressure-cycled bubble chambers to fast neutron detection is described. Experiments with a Halon-filled chamber…”
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The role of spectroscopy versus detection for border security by Kouzes, R. T., Ely, J. H.

“…Countries around the world are deploying radiation portal monitor systems to interdict the illicit shipment of radioactive material crossing international…”
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Comparison of PVT and NaI(Tl) scintillators for vehicle portal monitor applications by Siciliano, E.R., Ely, J.H., Kouzes, R.T., Milbrath, B.D., Schweppe, J.E., Stromswold, D.C.

“…The demand for radiation portal monitor (RPM) systems has increased, and their capabilities are being further scrutinized as they are being applied to the task…”
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Gamma-ray signatures for state-of-health analysis and monitoring of widely-arrayed radiation portal monitor systems by Woodring, M. L., Ely, J. H., Angel, L. K., Wright, I. H., Eslinger, M. A., Pospical, A. J., Ellis, J. E.

“…Pacific Northwest National Laboratory (PNNL) has deployed a large array of radiation portal monitors for the Department of Homeland Security and U.S. Customs…”
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Density scaling approximation for Monte-Carlo simulations of radioactive plumes by Siciliano, E.R., Ely, J.H., Stave, S.C.

“…The release of radioactive gas into the atmosphere can diffuse into large volumes of air downwind from the point of release. The extent of radioactivity can…”
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Novel beta-gamma coincidence measurements using phoswich detectors by Ely, J. H., Aalseth, C. E., McIntyre, J. I.

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Raman characterization of epitaxial Cu–In–Se thin films by Ely, James H, Ohno, T.R, Furtak, T.E, Nelson, A.J

“…We have fabricated epitaxial chalcopyrite alloys with varying compositions and thicknesses on GaAs (001) substrates using a simple physical vapor deposition…”
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Field tests of a NaI(Tl)-based vehicle portal monitor at border crossings by Stromswold, D.C., Darkoch, J.W., Ely, J.H., Hansen, R.R., Kouzes, R.T., Milbrath, B.D., Runkle, R.C., Sliger, W.A., Smart, J.E., Stephens, D.L., Todd, L.C., Woodring, M.L.

“…Radiation portal monitors are commonly used at international border crossings to detect illicit transport of radioactive material. Most monitors use plastic…”
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Absolute Efficiency Calibration of a Beta-Gamma Detector by Cooper, M. W., Ely, J. H., Haas, D. A., Hayes, J. C., McIntyre, J. I., Lidey, L. S., Schrom, B. T.

“…Identification and quantification of nuclear events such as the Fukushima reactor failure and nuclear explosions rely heavily on the accurate measurement of…”
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Alternatives for Helium-3 in Multiplicity Counters by Ely, J. H., Siciliano, E. R., Lintereur, A. T., Swinhoe, M. T.

“…Alternatives to helium-3 are being actively pursued due to the shortage and rising costs of helium-3. For safeguards applications, there are a number of…”
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Energy calibration of gamma spectra in plastic scintillators using Compton kinematics by Siciliano, E.R., Ely, J.H., Kouzes, R.T., Schweppe, J.E., Strachan, D.M., Yokuda, S.T.

“…This paper describes a simple and practicable method for assigning energy values to gamma-ray pulse-height distributions measured with polyvinyl toluene (PVT)…”
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A Large Detector Laboratory for the Development and Testing of Radiation Detection Systems by Woodring, M. L., Rodriguez, D. C., Runkle, R. C., Hansen, R. R., Milbrath, B. D., Ely, J. H.

“…Thousands of radiation detection systems have been deployed over the last decade to domestic and international locations, primarily at points of entry or…”
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Ortho-Rater norms and sex differences by Ely, J. H, Kephart, N. C, Tiffin, Joseph

“…A study was made to determine the norms for industrial employees, both male and female, from the Ortho-Rater vision testing instrument. Tables are presented…”
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Erratum to: Energy calibration of gamma spectra in plastic scintillators using Compton kinematics: [Nucl. Instr. and Meth. A 594 (2008) 232–243] by Siciliano, E.R., Ely, J.H., Kouzes, R.T., Schweppe, J.E., Strachan, D.M., Yokuda, S.T.

“…In recent work at our laboratory, we were re-examining our data and found an inconsistency between the values listed for 137Cs in Table 2 (Siciliano et al…”
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The cleft palate team by Ely, J H

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UNITED STATES V. LOVETT: "LITIGATING THE SEPARATION OF POWERS" by Ely, John H

“…WHAT MAKES U.S. V. LOVETT INTERESTING IS THAT BOTH LOVETT AND THE UNITED STATES TOOK POSITION THAT THE STATUTE IN ISSUSE WAS INVALID, AND CONGRESS HAD TO…”
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Opportunity and obligation by Boyers, C L, Ely, J H

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Overview of portal monitoring at border crossings by Geelhood, B.D., Ely, J.H., Hansen, R.R., Kouzes, R.T., Schweppe, J.E., Warner, R.A.

“…The Bureau of Customs and Border Protection has the task of interdicting illicit radioactive material at ports of entry. Items of concern include radiation…”
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