Research Groups

Nuclear Security and Nonproliferation

Quad Chart for Research Group

Group Members:

Associated Research Websites:

Recent Publications:

  1. S. S. Chirayath, G. Hollenbeck, J. Ragusa, and P. Nelson, "Neutronic and nonproliferation characteristics of (PuO2-UO2) and (PuO2-ThO2) as fast reactor fuels," Nuclear Engineering and Design (to be published).
  2. S.S.Chirayath, J. Ragusa, and P. Nelson, "Thorium blended and regular MOX burn-up studies for fast reactor fuel cycle safeguards," Proceedings of 50th annual meeting of INMM, July 12-16, 2009, Tucson, AZ, USA.
  3. C.M. Marianno, "Conveying Uncertainty in Map Products for Radiological Events," 54th Annual Meeting of the Health Physics Society, July 2009.
  4. A.M. LaFleur, W.S. Charlton, H.O. Menlove, and M. Swinhoe, "Development of Self-Interrogation Neutron Resonance Densitometry (SINRD) to Measure the 235U and 239Pu Content in a PWR 17x17 Spent Fuel Assembly," Proceedings of 31st Annual Meeting of ESARDA, May 26-28, 2009, Vilnius, Lithuania.
  5. D.C. Strohmeyer, and W. S. Charlton, "Feasibility Study of a Portable Coupled 3He Neutron Detector with LaBr3 Gamma Scintillator for the Purpose of Plutonium Identification and Quantification," Proceedings of 31st Annual Meeting of ESARDA, May 26-28, 2009, Vilnius, Lithuania.
  6. S.J. Tobin, W.S. Charlton, M.H. Ehinger, M.L. Fensin, A.S. Hoover, H.O. Menlove, B.J. Quiter, A. Rajasingam, N.P. Sandoval, S.F. Saavedra, D. Strohmeyer, M.T. Swinhoe, S.J. Thompson, "Determining Plutonium in Spent Fuel with Nondestructive Assay Techniques," Proceedings of 31st Annual Meeting of ESARDA, May 26-28, 2009, Vilnius, Lithuania.
  7. W.S. Charlton, D. Strohmeyer, A. Stafford, S. Saavedra, A.S. Hoover, and C. Rudy, "The Use of Self-Induced XRF to Quantify the Pu Content in PWR Spent Nuclear Fuel," Proceedings of 31st Annual Meeting of ESARDA, May 26-28, 2009, Vilnius, Lithuania.
  8. P. Nelson and C.M. Sprecher, "Where will new nuclear power plants be constructed? Validation of a predictive model," Proceedings of 31st Annual Meeting of ESARDA, May 26-28, 2009, Vilnius, Lithuania.
  9. W.B. Wilson, R.T. Perry, W.S. Charlton, and T.A. Parish, "Sources: A code for calculating (alpha, n), spontaneous fission, and delayed neutron sources and spectra," Progress in Nuclear Energy In Press. Available online 12 January 2009.
  10. J. Essex , Marianno C., Ainsworth P., Davison B., Istle J., and Hassen J., "A Solution for Real-Time Data Acquisition, Analysis, and Dissemination in Support of Nuclear Emergency Response," 42nd Annual Mid-year Meeting of the Health Physics Society, January, 2009.
  11. C.M. Marianno, "Locating Illicit Radioactive Material: Instrumentation Design Considerations," 42nd Annual Mid-year Meeting of the Health Physics Society, January, 2009.
  12. S. Saavedra, W.S. Charlton, and A. Solodov, "Quantification of the Fissile Content of Incoming Spent Nuclear Fuel for the CETE Demonstration through Non-Destructive Assay Techniques," Proceedings of 49th Annual INMM Meeting, Nashville, TN, July 13-17, 2008.
  13. R. Metcalf, A. Bevill, W.S. Charlton, and R. Bean, "Safeguards Envelope: Previous Work and Examples," Proceedings of 49th Annual INMM Meeting, Nashville, TN, July 13-17, 2008.
  14. A.M. LaFleur, W.S. Charlton, H.O. Menlove, and M. Swinhoe, "Use of Self-Interrogation Neutron Resonance Densitometry (SINRD) to Measure the Fissile Content in Nuclear Fuel," Proceedings of 49th Annual INMM Meeting, Nashville, TN, July 13-17, 2008.
  15. P. Nelson and C. Sprecher, "What Determines the Extent of National Reliance on Civil Nuclear Power," Proceedings of the 49th Annual Meeting Institute for Nuclear Materials Management, Nashville, TN, July 13-17, 2008.
  16. C.M. Marianno, "Dedicated FRMAC Public Monitoring Assets," National Radiological Preparedness Conference, April 2008.
  17. C.M. Marianno, "Pet Monitoring During a Radiological Emergency," National Radiological Preparedness Conference, April 2008.
  18. C.M. Marianno, "Conveying Uncertainty in FRMAC Map Products," National Radiological Preparedness Conference, April 2008.
  19. R. Metcalf, J.C. Ragusa, and R. Bean, "Safeguards Envelope: The First Steps," Proceedings of 8th International Conference on Facility Operations - Safeguards Interface, Portland, OR, March 30 - April 4, 2008.
  20. S. Chirayath, R. Metcalf, J.C. Ragusa, and P. Nelson, "Assessment of Proliferation Resistance Requirements for Fast-Reactor Fuel-Cycle Facilities," Proceedings of 8th International Conference on Facility Operations - Safeguards Interface, Portland, OR, March 30 - April 4, 2008.
  21. A.M. LaFleur, W.S. Charlton, H.O. Menlove, and M. Swinhoe, "Nondestructive Measurements of Fissile Material Using Self-Indication Neutron Resonance Absorption Densitometry (SINRAD)," Proceedings of 8th International Conference on Facility Operations - Safeguards Interface, Portland, OR, March 30 - April 4, 2008.
  22. D.G. Saltiel, V.D. Cleary, P.E. Rexroth, G.E. Rochau, D. Greneche, S. Ng, W.S. Charlton, and D.G. Ford, "Testing and Assessment of Inputs for Proliferation Assessment Tools," Global 2007 International Conference on Advanced Nuclear Fuel Cycles and Systems, Boise, Idaho, September 9-13, 2007.
  23. J. Miller and W.S. Charlton, "Analytical Inverse Model for Post-Nuclear Event Attribution of Plutonium," Proceedings of the Annual Meeting of the Institute for Nuclear Materials Management, Tucson, AZ, July 8-12, 2007.
  24. W. S. Charlton and D. G. Ford, "Assessment Tool for Nuclear Weapon Acquisition Pathways," Proceedings of the Annual Meeting of the Institute for Nuclear Materials Management, Tucson, AZ, July 8-12, 2007.
  25. D. J. Sweeney and W. S. Charlton, "Physical Mechanisms for Fission Product Concentration Differences from Variations in Reactor Power History," Proceedings of the Annual Meeting of the Institute for Nuclear Materials Management, Tucson, AZ, July 8-12, 2007.
  26. D. J. Sweeney and W. S. Charlton, "Reactor Power History from Fission Product Signatures," Proceedings of the Annual Meeting of the Institute for Nuclear Materials Management, Tucson, AZ, July 8-12, 2007.
  27. T. V. K. Woddi, W. S. Charlton, P. Nelson, and J.C. Ragusa, "A Technical Study of Nuclear Fuel Cycle and the Three Stage Power Program of India for US-India Nuclear Cooperation," Proceedings of the Annual Meeting of the Institute for Nuclear Materials Management, Tucson, AZ, July 8-12, 2007.
  28. K.E. Chesson, and W.S. Charlton, "A Brief Sensitivity Analysis for the GIRM and Other Related Technique using a One-Group Cross Section Library for Graphite-Moderated Reactors," Proceedings of the Annual Meeting of the Institute for Nuclear Materials Management, Tucson, AZ, July 8-12, 2007.
  29. A. Thornton and W.S. Charlton, "Characterization of a Portable Neutron Coincidence Counter," Proceedings of the Annual Meeting of the Institute for Nuclear Materials Management, Tucson, AZ, July 8-12, 2007.
  30. R. Hayes and Marianno, C.M., "The Next Generation Air Particle Detectors for the United States Navy," 52nd Annual Meeting of the Health Physics Society, July 2007.
  31. C.M. Marianno and Hendricks, T.J., "The United States Department of Energy’s Aerial Measurement System," 52nd Annual Meeting of the Health Physics Society, July 2007.
  32. R. Hayes and Marianno, C.M., "Use of MCNPX for Alpha Spectrometry Simulations of a Continuous Air Monitor," American Nuclear Society 2007 Annual Meeting, June 2007.
  33. R. Hayes and Marianno, C.M., "Exercises Abroad: How Differing National Experiences are Reflected in Emergency Response Planning," National Radiological Preparedness Conference, May 2007.
  34. K.E. Chesson and W.S. Charlton, "A Brief Sensitivity Analysis for the GIRM and Other Related Techniques using a One-Group Cross Section Library for Graphite-Moderated Reactors," 2007 Annual Meeting of the European Safeguards Research and Development Association (ESARDA), Aix-en-Provence, France, May 21-24, 2007.
  35. A.M. LaFleur and W.S. Charlton, "Advancing Methods for Providing Attribution for the HEU Used in a Terrorist Nuclear Weapon," 2007 Annual Meeting of the European Safeguards Research and Development Association (ESARDA), Aix-en-Provence, France, May 21-24, 2007.
  36. K.A. Miller and W.S. Charlton, "An Inverse Transport Approach to Radiation Source Location for Border Security," 2007 Annual Meeting of the European Safeguards Research and Development Association (ESARDA), Aix-en-Provence, France, May 21-24, 2007.
  37. T.V.K. Woddi, W.S. Charlton, P. Nelson, and J. Ragusa, "Nuclear Fuel Cycle Assessment of India: A Technical Study for Nuclear Cooperation," 2007 Annual Meeting of the European Safeguards Research and Development Association (ESARDA), Aix-en-Provence, France, May 21-24, 2007.
  38. C.M. Marianno and Essex J., "The Ability of the United States' Federal Radiological Monitoring and Assessment Center to Collect and Disseminate Environmental Measurements During Radiological Emergencies," International Conference on Environmental Activity from Measurements and Assessments to Regulation, April 2007.
  39. W.S. Charlton, R.F. LeBouf, C. Gariazzo, D.G. Ford, C. Beard, S. Landsberger, and M. Whitaker, "Proliferation Resistance Assessment Methodology for Nuclear Fuel Cycles," Nuclear Technology 157(2), 143-156 (2007).