Search Results - "Keillor, ME"

First results of a simultaneous measurement of tritium and super(14)C in an ultra-low-background proportional counter for environmental sources of methane by Mace, E K, Aalseth, CE, Day, A R, Hoppe, E W, Keillor, ME, Moran, J J, Panisko, ME, Seifert, A, Tatishvili, G, Williams, R M

“…Simultaneous measurement of tritium and super(14)C would provide an added tool for tracing organic compounds through environmental systems and is possible via…”
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Development of a low-level super(37)Ar calibration standard by Williams, R M, Aalseth, CE, Bowyer, T W, Day, A R, Fuller, E S, Haas, DA, Hayes, J C, Hoppe, E W, Humble, PH, Keillor, ME, LaFerriere, B D, Mace, E K, McIntyre, JI, Miley, H S, Myers, A W, Orrell, J L, Overman, C T, Panisko, ME, Seifert, A

“…Argon-37 is an environmental signature of an underground nuclear explosion. Producing and quantifying low-level super(37)Ar standards is an important step in…”
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The design, construction, and initial characterization of an ultra-low-background gas-proportional counting system by Seifert, A., Aalseth, C. E., Day, A. R., Fuller, E. S., Hoppe, E. W., Keillor, M. E., Mace, E. K., Overman, C. T., Warren, G. A.

“…Over the past several years, the Pacific Northwest National Laboratory (PNNL) has developed an ultra-low-background proportional counter (ULBPC) technology…”
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A new shallow underground gas-proportional counting lab—First results and Ar-37 sensitivity by Aalseth, C.E., Day, A.R., Fuller, E.S., Hoppe, E.W., Keillor, M.E., LeFerriere, B., Mace, E.K., Merriman, J., Myers, A.W., Overman, C.T., Panisko, M.E., Seifert, A., Warren, G.A., Williams, R.M.

“…A new ultra-low-background proportional counter was recently developed with an internal volume of 100cm3 and has been characterized at pressures from 1–10atm…”
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Measurement of super(37)Ar to support technology for On-Site Inspection under the Comprehensive Nuclear-Test-BanTreaty by Aalseth, CE, Day, A R, Haas, DA, Hoppe, E W, Hyronimus, B J, Keillor, ME, Mace, E K, Orrell, J L, Seifert, A, Woods, V T

“…On-Site Inspection (OSI) is a key component of the verification regime for the Comprehensive Nuclear-Test-Ban Treaty (CTBT). Measurements of radionuclide…”
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Empirical correction of crosstalk in a low-background germanium ?a? analysis system by Keillor, ME, Erikson, LE, Aalseth, CE, Day, A R, Fuller, E S, Glasgow, B D, Hoppe, E W, Hossbach, T W, Mizouni, L K, Myers, A W, Overman, C T, Seifert, A, Stavenger, T J

“…The Pacific Northwest National Laboratory (PNNL) is currently developing a custom software suite capable of automating many of the tasks required to accurately…”
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Controlling low-rate signal path microdischarge for an ultra-low-background proportional counter by Mace, E. K., Aalseth, C. E., Bonicalzi, R. M., Day, A. R., Hoppe, E. W., Keillor, M. E., Myers, A. W., Overman, C. T., Seifert, A.

“…Pacific Northwest National Laboratory (PNNL) has developed an ultra-low-background proportional counter (ULBPC) made of high purity copper. These detectors are…”
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Measurement of Fukushima aerosol debris in Sequim and Richland, WA and Ketchikan, AK by Miley, H. S., Bowyer, T. W., Engelmann, M. D., Eslinger, P. W., Friese, J. A., Greenwood, L. R., Haas, D. A., Hayes, J. C., Keillor, M. E., Kiddy, R. A., Kirkham, R. R., Landen, J. W., Lepel, E. A., Lidey, L. S., Litke, K. E., Morris, S. J., Olsen, K. B., Thompson, R. C., Valenzuela, B. R., Woods, V. T., Biegalski, S. R.

“…Aerosol collections were initiated at several locations by Pacific Northwest National Laboratory (PNNL) shortly after the Great East Japan earthquake of May…”
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Digital pulse-shape discrimination applied to an ultra-low-background gas-proportional counting system: first results by Aalseth, C. E., Day, A. R., Fuller, E. S., Hoppe, E. W., Keillor, M. E., Mace, E. K., Myers, A. W., Overman, C. T., Panisko, M. E., Seifert, A., Warren, G. A., Williams, R. M.

“…A new ultra-low-background proportional counter design was recently developed at Pacific Northwest National Laboratory (PNNL). This design, along with an…”
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Alternative treaty monitoring approaches using ultra-low background measurement technology by Miley, H.S., Aalseth, C.E., Bowyer, T.W., Fast, J.E., Hayes, J.C., Hoppe, E.W., Hossbach, T.W., Keillor, M.E., Kephart, J.D., McIntyre, J.I., Seifert, A.

“…The International Monitoring System (IMS) of the Comprehensive Test Ban Treaty includes a network of stations and laboratories for collection and analysis of…”
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Detecting alpha radiation by scintillation in porous materials by Keillor, M.E., Burggraf, L.W.

“…This paper presents a study of some parameters essential to the development of a heterogeneous scintillation detector with improved alpha energy resolution and…”
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Influence of radionuclide adsorption on detection efficiency and energy resolution for flow-cell radiation detectors by DeVol, T.A., Keillor, M.E., Burggraf, L.W.

“…Flow-cell and batch test experiments were performed to determine the uranyl ion adsorption onto and/or complexation with CaF/sub 2/:Eu scintillator as a…”
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