William Charlton

William Charlton

William Charlton
Contact Information:
3008 SLC
Omaha/UNMC
(402) 559-1843
wcharlton@nsri.nebraska.edu
Email   

Associate Vice Chancellor for Research and Professor
Academic Degrees
  • Ph.D., Nuclear Engineering, Texas A&M University
  • M.S. Nuclear Engineering, Texas A&M University
  • B.S. Nuclear Engineering, Texas A&M University
Areas of Research and Professional Interest
  • Nuclear nonproliferation and counter proliferation
  • Nuclear detection and nuclear forensics
  • Nuclear security and reducing nuclear threats

About William Charlton

It is commonly agreed upon that the gravest threat to world peace and US national security is weapons of mass destruction (WMD) in the hands of terrorists and rogue states. WMD consists of chemical, biological and nuclear weapons. Dr. Charlton’s research has been singularly focused on reducing the risk of this grave threat through the combined use of technology and policy aimed at detecting, deterring, and countering state and sub-state proliferation programs. His research group developed techniques for remote detection and characterization of proliferation activities, some of the first methods for measuring plutonium in spent nuclear fuel, and a risk analysis approach for managing threats from nuclear terrorism.

Dr. Charlton serves as both a professor in the Mechanical and Materials Engineering Department as well as the Associate Vice Chancellor for Research with a specialization in defense programs. He is also appointed as the Research Director for the National Strategic Research Institute (NSRI) for U.S. Strategic Command (USSTRATCOM).

For 2003-2015, Dr. Charlton was a professor in the Nuclear Engineering Department at Texas A&M University and also served as the Director of the Nuclear Security Science & Policy Institute (NSSPI) at TAMU. NSSPI is a multi-disciplinary research and education organization focused on combatting threats from the malicious uses of nuclear and radiological materials.

Dr. Charlton is an expert in the area of nuclear security research and education and has taught courses on nuclear nonproliferation, nuclear security system design and analysis, nuclear forensics, and nuclear detection. Prior to his appointment at TAMU, he was an Assistant Professor in the Mechanical Engineering Department at the University of Texas at Austin from 2000-2003. From 1997-2000, Dr. Charlton was a Technical Staff Member in the Nonproliferation and International Security Division at Los Alamos National Laboratory (LANL).

He has over 200 technical publications in refereed journals and conference proceedings.


Experience

  • Research Director, National Strategic Research Institute, University of Nebraska, June 2015 – present
  • Associate Vice Chancellor for Research, University of Nebraska – Lincoln, June 2015 – present
  • Professor, Mechanical and Materials Engineering Department, University of Nebraska – Lincoln, June 2015 – present
  • Director, Nuclear Security Science and Policy Institute, Texas A&M Engineering Experiment Station, March 2006 – May 2015
  • Professor, Nuclear Engineering Department, Texas A&M University, September 2014 – May 2015
  • Associate Professor, Nuclear Engineering Department, Texas A&M University, September 2003 – August 2014
  • Assistant Professor, Mechanical Engineering Department, University of Texas at Austin, September 2000 – August 2003
  • Technical Staff Member, Los Alamos National Laboratory, June 1998 – August 2000

Honors and Awards

  • Barbara and Ralph Cox ’53 Faculty Fellow for Outstanding Engineering Contributions, TAMU (2013)
  • Special Service Award, Institute of Nuclear Materials Management (2010)
  • Advisor of the Year Award, Division of Student Affairs, TAMU (2009-2010)
  • Dwight Look College of Engineering Faculty Fellow, TAMU (2007-2008)
  • George Armistead, Jr. ’23 Faculty Fellow, TAMU (2005-2006)
  • Engineering Foundation/Halliburton Young Faculty Award, University of Texas (2001)

Selected Publications

Journal Articles

  1. S.S. Chirayath, D. Giannangeli*, R. Elmore*, G. Hollenbeck*, N.G. Chandregowda*, W.S. Charlton, R. Metcalf*, and J.C. Ragusa, “Proliferation Resistance Analysis and Evaluation Tool for Observed Risk (PRAETOR) Methodology,” Journal of Nuclear Materials Management, 43(2), pp. 1-15 (2015).
  2. C.M. Ryan*, C.M. Marianno, W.S. Charlton, A.A. Solodov, R.J. Livesay, and B. Goddard, “Predicting Concrete Roadways Contribution to Gamma-ray Background Readings in Radiation Portal Monitor Systems,” Journal of Nuclear Technology, 186(3), pp. 415-426 (2014).
  3. B. Goddard*, W. Charlton, and P. Peerani, “Quantitative NDA Measurements of Multi-Actinide Oxide Fuels,” Journal of Nuclear Technology, 186(3), pp. 403-414 (2014).
  4. B. Goddard*, W. Charlton, M. Swinhoe, and P. Peerani, “Expanding Capabilities of Neutron Multiplicity Measurements: Conclusions from a Four Year Project,” ESARDA Bulletin, 50, pp. 18-26 (2013). 
  5. B. Goddard*, W. Charlton, and P. Peerani, “First Principal Active Neutron Coincidence Counting Measurements of Uranium Oxide,” Nuclear Instruments and Methods in Physics Research A, 739, pp. 1-5 (2013).
  6. N.D. Chandregowda*, S.S. Chirayath, W.S. Charlton, Y. Ham, S. Sitaraman, and G.H. Ahn, “Assessment of the Fingerprinting Method for the Verification of Spent Fuel in MACSTOR KN-400 CANDU Spent Fuel Dry Storage,” Journal of Nuclear Technology, 184, pp. 320-333 (2013).
  7. R.P. Taleyarkhan, J. Lapinskas, B. Archambault, J.A. Webster, T.F. Grimes, A. Hagen, K. Fisher, S. McDeavitt, and W. Charlton, “Real-time Monitoring of Actinides in Chemical Nuclear Fuel Reprocessing Plants,” Chemical Engineering Research and Design, 91, pp. 688-702 (2013).
  8. A.M. LaFleur,* W.S. Charlton, H.O. Menlove, M.T. Swinhoe, and A.R. Lebrun, “Development of Self-Interrogation Neutron Resonance Densitometry to Improve Detection of Possible Diversions for PWR Spent Fuel Assemblies,” Journal of Nuclear Technology, 181(2), pp. 354-370 (2013).
  9. L. Holewa*, E. Miller, W. Charlton, and S. Pozzi, “Using Neutron Angular Anisotropy Information to Dynamically Determine the Ratio of the (α,n) Rate to Spontaneous Fission Rate for Coincidence Counting Applications,” Nuclear Instrument and Methods in Physics Research A, 701, pp. 249-253 (2013).
  10. A.M. LaFleur*, W.S. Charlton, H.O. Menlove, and M.T. Swinhoe, “Development of Self-Interrogation Neutron Resonance Densitometry to Quantify the Fissile Content in PWR Spent LEU and MOX Assemblies,” Journal of Nuclear Science and Engineering, 171(3), pp. 175-191 (2012).
  11. A.M. LaFleur*, W.S. Charlton, H.O. Menlove, and M.T. Swinhoe, “Experimental Verification of MCNPX Calculations Using Self-Interrogation Neutron Resonance Densitometry Fresh Fuel Measurements,” Nuclear Instruments and Methods in Physics Research A, 680, pp. 168-178 (2012).
  12. W.S. Charlton and M.A. Humphrey, “External Review of the Next Generation Safeguards Initiative’s Spent Fuel Nondestructive Assay Project,” Journal of Nuclear Materials Management, 40(3), pp. 12-17 (2012).
  13. S.J. Tobin, H.O. Menlove, M.T. Swinhoe, P. Blanc, T. Burr, L.G. Evans, C.R. Freeman*, A. Solodov, W. Charlton, J.M. Eigenbrodt*, A. Stafford*, A.M. LaFleur*, et. al., “Technical Cross-cutting Issues for the Next Generation Safeguards Initiative’s Spent Fuel Nondestructive Assay Project,” Journal of Nuclear Materials Management, 40(3), pp. 18-24 (2012).
  14. E.T. Gitau* and W.S. Charlton, “Use of a Microsphere Fingerprint for Identity Verification of Fuel Pebbles in a Pebble-fueled HTGR,” Journal of Nuclear Materials Management, 40(2), pp. 19-24 (2011).
  15. C.M. Ryan*, C.M. Marianno, W.S. Charlton, and W.D. James, “Neutron Activation Analysis of Concrete for Cross-Border Nuclear Security,” Journal of Radioanalytical and Nuclear Chemistry, 291(1), pp. 267-272 (2011). (available at http://dx.doi.org/10.1007/s10967-011-1272-y)
  16. D. Sweeney* and W.S. Charlton, “Fission Product Signatures from Variations in Reactor Power History,” Journal of Nuclear Materials Management, 40(1), pp. 43-52 (2011).
  17. B. Goddard*, W.S. Charlton, and S.M. McDeavitt, “Development of a Real-time Detection Strategy for Process Monitoring During Nuclear Fuel Reprocessing Using the UREX+3a Method,” Nuclear Engineering and Design, 240, pp. 3904-3909 (2010).
  18. B. Goddard*, W.S. Charlton, and S.M. McDeavitt, “Real-Time Detection of UREX+3A Extraction Streams for Materials Accountancy,” JNMM, 38(1), pp. 34-39 (2009).
  19. 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, 51, pp. 608-613 (2009).
  20. 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,” Nucl. Tech., 157, pp. 143-156 (2007).
  21. W.S. Charlton, “Nuclear Nonproliferation and International Security Master of Science Degree at TAMU,” JNMM, 35(2), pp. 7-10 (2006).
  22. S.K. Aghara* and W.S. Charlton, “Characterization and Quantification of an In-Core Neutron Irradiation Facility at a TRIGA II Research Reactor,” Nucl. Instrum. Meth./B, 248, pp. 181-190 (2006).
  23. T.L. Burr, W.S. Charlton, and C.W. Nakhleh, “Assessing Confidence in Inferring Reactor Type and Fuel Burnup: A Markov Chain Monte Carlo Approach,” Nucl. Inst. and Meth./A, 555, pp. 426-434 (2005).
  24. D.E. Burk*, W.S. Charlton, M. Scott*, D. Giannangeli*, and K. Epresi*, “Forward Model Calculations for Determining Isotopic Compositions of Materials Used in a Radiological Dispersal Device,” JNMM, 34(1), pp. 23-31 (2005).
  25. S.R. Biegalski, T.C. Green, G.A. Sayre, W.S. Charlton, D.J. Dorsey*, and S. Landsberger, “Flux Weighted Efficiency Calibration of The University of Texas at Austin PGAA Facility,” J. Rad. and Nucl. Chem., 265(2), pp. 303-308 (2005).
  26. D.J. Dorsey*, R. Hebner, and W.S. Charlton, “Application of Prompt Gamma Activation Analysis for the Determination of Water Content in Composite Materials,” J. Rad. and Nucl. Chem., 265(2), pp. 315-319 (2005).
  27. D.J. Dorsey*, R. Hebner, and W.S. Charlton, “Non-Destructive Evaluation of Carbon Fiber Composite Reinforcement Content,” Journal of Composite Materials, 38(17), pp. 1505-1519 (2004).
  28. D.J. Dorsey* and W.S. Charlton, “Recent Developments and Applications for the University of Texas Thermal Neutron Imaging Facility,” J. Applied Radiation and Isotopes, 61, pp. 525-528 (2004).
  29. W.S. Charlton and J. Poths, “Capability of Ruthenium Isotopes in Distinguishing Fuel Type and Burnup,” JNMM, 31(2), pp. 5-10 (2003).
  30. W.D. Stanbro, S. Hsue, T.L. Burr, M.L. Collins, C.A. Wells, W.S. Charlton and G.W. Eccleston, “Advanced Approaches to the International Oversight of Neptunium: Challenges and Opportunities,” JNMM, 30(2), pp. 60-65 (2002).
  31. T. Burr, W.D. Stanbro, and W.S. Charlton, “An Evaluation of Safeguards Approaches for Neptunium,” J. Nucl. Sci. Technol., 38(3), p. 209-216 (2001).
  32. W.S. Charlton and W.D. Stanbro, “Monitors for the Prediction of Alternate Nuclear Material Concentrations for PWR Spent Fuel,” Nucl. Tech., 136, pp. 24-36 (2001).
  33. Y.V. Terekhine, T.A. Parish, and W.S. Charlton, “Shielding and Criticality Characterization of ALR8(SI) Plutonium Storage Containers,” J.  Nucl. Sci. Technol., S1, pp. 347-351 (March 2000).
  34. W.S. Charlton, R.T. Perry, G.P. Estes, and T.A. Parish, “Derivation and Implementation of the Three Region Problem in the SOURCES Code System,” J.  Nucl. Sci. Technol., S1, pp. 570-574 (March 2000).
  35. W.S. Charlton, W.D. Stanbro, and R.T. Perry, “Comparisons of HELIOS, ORIGEN2, and Monteburns Calculated 241Am and 243Am Concentrations to Measured Values for PWR, BWR, and VVER Spent Fuel,” J. Nucl. Sci. Technol., 37(7), pp. 615-623 (2000).
  36. W.S. Charlton, R.T. Perry, and T.A. Parish, “Calculated Actinide and Fission Product Concentration Ratios for Gaseous Effluent Monitoring Using Monteburns 3.01,” Nucl. Technol., 131, pp. 210-227 (2000).
  37. W.D. Stanbro, W.S. Charlton, P.H. Hemberger, J. Poths, T.L. Burr, and B.L. Fearey, “The Use of Stable Xenon Isotope Monitoring in Strengthened Safeguards at Large Reprocessing Plants,” JNMM, 28(2), p. 22-26 (2000).
  38. W.S. Charlton, B.L. Fearey, C.W. Nahkleh, T.A. Parish, R.T. Perry, J. Poths, J.R. Quagliano, W.D. Stanbro, and W.B. Wilson, “Operator Declaration Verification Technique for Spent Fuel at Reprocessing Facilities,” Nucl. Inst. and Meth./B, 168, pp. 98-108 (2000).

Conference Proceedings

  1. M. Subbaiah, W.S. Charlton, R. Elmore, R. Coogan, and D. Sweeney, “Effect of Grouping Motivations on State Proliferation Pathways,” 2014 American Nuclear Society Winter Meeting, Annaheim, CA, 9-13 November 2014.
  2. S.S. Chirayath, R.A. Elmore, W.S. Charlton, “Containment and Surveillance and Physical Protection Updates for Proliferation Resistance Analysis Using PRAETOR,” IAEA Symposium on International Safeguards, Vienna, Austria, October 20-24, 2014.
  3. C. Keith* and W.S. Charlton, “Investigation of Trace U-236 Content Variation in Geologic Uranium Deposits,” Proceedings of the 55th Annual Meeting of the Institute of Nuclear Materials Management, Atlanta, GA, 20-24 July 2014.
  4. D. Henzlova, S.J. Tobin, H.R. Trellue, T.L. Burr, J.S. Hendricks, R.M. Zedric*, and W.S. Charlton, “Monte Carlo Modeling of the Californium - Interrogation with Prompt Neutron (CIPN) Device for Spent Nuclear Fuel Measurements,” Proceedings of the 55th Annual Meeting of the Institute of Nuclear Materials Management, Atlanta, GA, 20-24 July 2014.
  5. J. Eigenbrodt*, S.J. Tobin, H.R. Trellue, M. Seya, H.O. Menlove, A.M. Bolind, and W.S. Charlton, “Passive Neutron Albedo Reactivity Measurements of Fugen Fuel,” Proceedings of the 55th Annual Meeting of the Institute of Nuclear Materials Management, Atlanta, GA, 20-24 July 2014.
  6. S. Chirayath, J.M. Osborn*, T.M. Coles*, and W.S. Charlton, “Trace Fission Product Ratios for Nuclear Forensics Attribution of Weapons-Grade Plutonium Separated from Fuel Irradiated in Thermal and Fast Reactor Types,” Proceedings of the 55th Annual Meeting of the Institute of Nuclear Materials Management, Atlanta, GA, 20-24 July 2014.
  7. R. Elmore*, W.S. Charlton, C. Freeman*, and M. Mella*, “Bayesian Environment Framework for Nuclear Proliferation Agent Based Modeling Analysis,” Transactions of the 2013 American Nuclear Society Winter Meeting, Washington, D.C., 10-14 November 2013.
  8. R. Elmore*, W.S. Charlton, S. Chirayath, “Sensitivity Analysis with PRAETOR for Diversion of Plutonium Self-Protected with Pu-238,” Transactions of the 2013 American Nuclear Society Winter Meeting, Washington, D.C., 10-14 November 2013.
  9. R. Elmore*, W.S. Charlton, S. Chirayath, “Nuclear Proliferation Connection Implications within an Agent-Based Modeling Environment,” Computational Social Sciences Society of the Americas Annual Conference, Santa Fe, NM, 22-25 August 2013.
  10. R. Elmore* and W.S. Charlton, “Bayesian Network Environment for Agent Based Modeling Proliferation Risk Analysis,” Proceedings of the 54th Annual Meeting of the Institute of Nuclear Materials Management, Palm Desert, California, 14-18 July 2013.
  11. S. Chirayath, W.S. Charlton, and A.P. Khudoleeva*, “Conceptual Development of a Remote Monitoring System for Safeguarding of Dry Cask Storage Facilities,” Proceedings of the 54th Annual Meeting of the Institute of Nuclear Materials Management, Palm Desert, California, 14-18 July 2013.
  12. J.S. Feener* and W.S. Charlton, “Initial Results of Nuclear Fluorescence Imaging for Arms Control Verification,” Proceedings of the 54th Annual Meeting of the Institute of Nuclear Materials Management, Palm Desert, California, 14-18 July 2013.
  13. S. Chirayath, W.S. Charlton, and J.M. Osborn*, “Neutronics Analysis of Fast Breeder Reactor Core to Support the Plutonium Fingerprinting for Forensics (PuFF) Project,” Proceedings of the 54th Annual Meeting of the Institute of Nuclear Materials Management, Palm Desert, California, 14-18 July 2013.
  14. G. Spence*, S. Chirayath, and W.S. Charlton, “NRX Reactor Spent Fuel Study,” Proceedings of the 54th Annual Meeting of the Institute of Nuclear Materials Management, Palm Desert, California, 14-18 July 2013.
  15. S. Chirayath, W.S. Charlton, and T.M. Coles*, “Nuclear Forensics Signature Analysis of Thermal Reactor Produced Weapons-grade Plutonium,” Proceedings of the 54th Annual Meeting of the Institute of Nuclear Materials Management, Palm Desert, California, 14-18 July 2013.
  16. J. Miller*, W.S. Charlton, and R. Steiner, “Investigation of Trace Uranium in Biological Matrices,” Proceedings of the 54th Annual Meeting of the Institute of Nuclear Materials Management, Palm Desert, California, 14-18 July 2013.
  17. D.J. Sweeney* and W.S. Charlton, “Simulating State Proliferation for Nuclear Weapons Latency,” Proceedings of the 54th Annual Meeting of the Institute of Nuclear Materials Management, Palm Desert, California, 14-18 July 2013.
  18. J. Eigenbrodt*, W. Charlton, S. Tobin, H. Menlove, M. Seya, H. Trellue and A. Bolind, “Simulations and Preparation for PNAR Measurements of Fugen Fuel,” 2013 ESARDA Symposium, Brugge, Belgium, 28-31 May 2013.
  19. B. Goddard*, W. Charlton, M. Swinhoe, and P. Peerani, “Expanding the Capabilities of Neutron Multiplicity Measurements: Conclusions from a Four Year Project,” 2013 ESARDA Symposium, Brugge, Belgium, 28-31 May 2013.
  20. R.A. Elmore*, W.S. Charlton, and S.S. Chirayath, “Comparative Analysis of Nuclear Nonproliferation Proliferation Resistance Approaches” ANS Winter Meeting, San Diego, CA, November 2012.
  21. B. Goddard*, W. Charlton, L. Evans, and P. Peerani, “An Analysis Technique for Active Neutron Multiplicity Measurements Based on First Principles,” 53rd Annual Meeting of the Institute of Nuclear Materials Management, Orlando, Florida, 15-19 July 2012.
  22. N.G. Chandregowda*, W.S. Charlton, S.S. Chirayath, Y. Ham, S. Sitaraman, and G.H. Ahn, "Assessment of the Fingerprinting Method for Verification of Spent Fuel in MACSTOR KN-400 CANDU Spent Fuel Dry Storage," 53rd Annual Meeting of the Institute of Nuclear Materials Management, Orlando, Florida, 15-19 July 2012.
  23. C. Gariazzo* and W. Charlton, "Developing a Transparent Bilateral System for Accounting and Tracking Special Nuclear Material," 53rd Annual Meeting of the Institute of Nuclear Materials Management, Orlando, Florida, 15-19 July 2012.
  24. K.M. Putman* and W.S. Charlton, "Identifying the Policy Value of Pre-Detonation Nuclear Forensics to Deter Weapons Transfer from States to Non-State Actors," 53rd Annual Meeting of the Institute of Nuclear Materials Management, Orlando, Florida, 15-19 July 2012.
  25. S.L. Stewart*, M.T. Swinhoe, J.L. Thron, W.H. Geist, and W.S. Charlton., "Monte Carlo Modeling of Correlations in Pulsed Neutron Data," 53rd Annual Meeting of the Institute of Nuclear Materials Management, Orlando, Florida, 15-19 July 2012.
  26. M.R. Sternat*, W.S. Charlton, T.F. Nichols, D.M. Beals, and R.L. Webb., "Nuclear Forensics Technique Development for Samples of Spent Research Reactor Fuel," 53rd Annual Meeting of the Institute of Nuclear Materials Management, Orlando, Florida, 15-19 July 2012.
  27. D.J. Sweeney* and W.S. Charlton, "Nuclear Weapons Proliferation Pathway Utility Attribute Weighting Survey," 53rd Annual Meeting of the Institute of Nuclear Materials Management, Orlando, Florida, 15-19 July 2012.
  28. A. Goodsell* and W.S. Charlton, "Optimization of a Quartz-Crystal Spectrometer Design for Analyzing K X-rays from Pu and U," 53rd Annual Meeting of the Institute of Nuclear Materials Management, Orlando, Florida, 15-19 July 2012.
  29. R.A. Elmore*, W. Charlton, and S. Chirayath., "Proposed Benchmark Cases for Proliferation Risk Assessment Modeling," 53rd Annual Meeting of the Institute of Nuclear Materials Management, Orlando, Florida, 15-19 July 2012.
  30. B. Goddard*, W. Charlton, C. Gariazzo, and P. Peerani, "A Concept for Quantitative NDA Measurements of Advanced Reprocessing Product Materials," Proceedings of GLOBAL 2011, Makuhar, Japan, December 11-16, 2011.
  31. W.S. Charlton, D. Boyle, S. Chirayath, D.G. Ford, C.A. Gariazzo, C. Marianno, K. Ragusa, A. Solodov, "Educating the Next Generation of Nuclear Safeguards and Security Experts at TAMU," Proceedings of GLOBAL 2011, Makuhar, Japan, December 11-16, 2011.
  32. A.V. Goodsell* and W.S. Charlton, "Quartz-Crystal Spectrometer for the Analysis of Plutonium K X-Rays," Proceedings of GLOBAL 2011, Makuhar, Japan, December 11-16, 2011.
  33. J.M. Eigenbrodt*, W.S. Charlton, A.A. Solodov, "Sensitivity Analysis and Benchmarking of Low and Broad Energy Photon Measurements for Spent Nuclear Fuel," Proceedings of GLOBAL 2011, Makuhari, Japan, Dec. 11-16, 2011.
  34. W.S. Charlton and D.G. Ford, “A Course on the Design of Nuclear Security Systems,” Transactions of the 2011 American Nuclear Society, Washington, D.C., October 30-November 3, 2011.
  35. C.M. Marianno, W.S. Charlton, R. MacNamee, K. Unlu, and R.C. Lanza, "Designing a Nuclear Security Education Program for the Global Threat Reduction Initiative" Transactions of the American Nuclear Society, Vol. 105, pp.373-374 (2011).
  36. A.A. Solodov, W.S. Charlton, C. Romano, and M. Ehinger, “Evaluation of NDA Techniques for Quantification of the Plutonium Content in Mixed-Oxide Spent Nuclear Fuel by Destructive Analysis,” Proceedings of the 2011 Annual Meeting of the Institute of Nuclear Materials Management, Palm Springs, CA, July 17-21, 2011.
  37. C.M. Marianno, W.S. Charlton, K. Unlu, and R.C. Lanza, “Designing the Global Threat Reduction Initiative’s Nuclear Security Education Program,” Proceedings of the 2011 Annual Meeting of the Institute of Nuclear Materials Management, Palm Springs, CA, July 17-21, 2011.
  38. E.T. Gitau* and W.S. Charlton, “Safeguards System Development for a Pebble-Fueled HTGR,” Proceedings of the 2011 Annual Meeting of the Institute of Nuclear Materials Management, Palm Springs, CA, July 17-21, 2011.
  39. W.S. Charlton, D.R. Boyle, S. Chirayath, D.G. Ford, C.A. Gariazzo, C. Marianno, K. Ragusa, and A.A. Solodov, “Nuclear Nonproliferation and Safeguards Education at TAMU: Embracing Novel Teaching Practices,” Proceedings of the 2011 Annual Meeting of the Institute of Nuclear Materials Management, Palm Springs, CA, July 17-21, 2011.
  40. W.S. Charlton and D.G. Ford, “Implementation of a Pilot Course at Texas A&M University on Designing Nuclear Security Systems,” Proceedings of the 2011 Annual Meeting of the Institute of Nuclear Materials Management, Palm Springs, CA, July 17-21, 2011.
  41. J. Eigenbrodt*, W.S. Charlton, and A. Solodov, “Sensitivity of Spent Nuclear Fuel Gamma-Ray Measurements,” Proceedings of the 2011 Annual Meeting of the Institute of Nuclear Materials Management, Palm Springs, CA, July 17-21, 2011.
  42. A.V. Goodsell* and W.S. Charlton, “Bent-Crystal Spectrometer Analyzing Plutonium K X-Rays for Applications in Nuclear Forensics,” Proceedings of the 2011 Annual Meeting of the Institute of Nuclear Materials Management, Palm Springs, CA, July 17-21, 2011.
  43. K. Putman* and W.S. Charlton, “New START Needs a New Start,” Proceedings of the 2011 Annual Meeting of the Institute of Nuclear Materials Management, Palm Springs, CA, July 17-21, 2011.
  44. B. Goddard*, W.S. Charlton, C. Gariazzo, and P. Peerani, “A Concept for Quantitative NDA MOX Measurements Using Only Neutron Radiation,” Proceedings of the 2011 Annual Meeting of the Institute of Nuclear Materials Management, Palm Springs, CA, July 17-21, 2011.
  45. M.R. Sternat*, W.S. Charlton, and T.F. Nichols, “Monte-Carlo Burnup Calculation Uncertainty Quantification and Propagation Determination,” Proceedings of the 2011 Annual Meeting of the Institute of Nuclear Materials Management, Palm Springs, CA, July 17-21, 2011.
  46. G.R. Spence* and W.S. Charlton, “A Boron Loaded Approach to Directionally Sensitive Neutron Detectors,” Proceedings of the 2011 Annual Meeting of the Institute of Nuclear Materials Management, Palm Springs, CA, July 17-21, 2011.
  47. L. Holewa* and W.S. Charlton, “Angular Anisotropy of Correlated Neutrons and Application to Detection and Verification,” Proceedings of the 2011 Annual Meeting of the Institute of Nuclear Materials Management, Palm Springs, CA, July 17-21, 2011.
  48. D.J. Sweeney* and W.S. Charlton, “Proliferation Pathway Decision Analysis for Nuclear Weapons Latency,” Proceedings of the 2011 Annual Meeting of the Institute of Nuclear Materials Management, Palm Springs, CA, July 17-21, 2011.
  49. R. Ghanbari*, K.M. Tolk, and W.S. Charlton, “Exploration of Ion-Exchanged Glass for Seals Applications,” Proceedings of the 2011 Annual Meeting of the Institute of Nuclear Materials Management, Palm Springs, CA, July 17-21, 2011.
  50. C. Freeman, V. Mozin, S. Tobin, M. Fensin, W. Charlton, H. Trellue, and J. Galloway, “X-Ray Fluorescence for Safeguards of Spent Fuel Assemblies,” Proceedings of the 33rd ESARDA Annual Meeting Symposium, Budapest, Hungary, May 16-20, 2011.
  51. A. LaFleur*, W. Charlton, H. Menlove, and M. Swinhoe, “Use of Self-Interrogation Neutron Resonance Densitometry to Measure the Fissile Content in a BWR 9x9 Spent Fuel Assembly,” Proceedings of the 33rd ESARDA Annual Meeting Symposium, Budapest, Hungary, May 16-20, 2011.
  52. R. Ghanbari*, K. Tolk, and W. Charlton, “Exploration of Ion-Exchanged Glass for Seals Applications,” Proceedings of the 33rd ESARDA Annual Meeting Symposium, Budapest, Hungary, May 16-20, 2011.
  53. C.M. Ryan*, C.M. Marianno, W.S. Charlton, A.A. Solodov, and R.J. Livesay, “Determining the Effect of Concrete Roadways on Gamma-ray Background for Radiation Portal Monitoring Systems,” Proceedings of the 33rd ESARDA Annual Meeting Symposium, Budapest, Hungary, May 16-20, 2011.
  54. T.R. Hogelin*, W.S. Charlton, and S.M. McDeavitt, “Real Time Measurements of Radioactive Material in a Reprocessing Facility,” Transactions of the 2010 American Nuclear Society Winter Meeting, 2010.
  55. B. Goddard*, W.S. Charlton, and A.L. Lousteau, “Mass Verification Method for Actinide Mixtures Using a Multi-Energy Spectrum Active Well Coincidence Counter,” Proceedings of the 2010 Annual Meeting of the Institute of Nuclear Materials Management, Baltimore, MD, July 11-15, 2010.
  56. C.M Folden III, W.S. Charlton, D.G. Ford Jr., P. Kuchment, W. Rundell, and R.E. Tribble, “Master’s-Level Certificate Program in Nuclear Forensics at Texas A&M University,” Proceedings of the 240th American Chemical Society Meeting, Boston, MA, August 22-26, 2010.
  57. S. Saavedra, W. Charlton, A. Solodov, and M. Ehinger, “Using NDA Techniques to Improve Safeguards Metrics on Burnup Quantification and Plutonium Content in LWR SNF,” Proceedings of the 2010 Annual Meeting of the Institute of Nuclear Materials Management, Baltimore, MD, July 11-15, 2010.
  58. J.S. Feener* and W.S. Charlton, “The Impact of Front End Non-Destructive Assay Techniques on Accountancy Systems at Reprocessing Facilities,” Proceedings of the 2010 Annual Meeting of the Institute of Nuclear Materials Management, Baltimore, MD, July 11-15, 2010.
  59. A.A. Solodov, W.S. Charlton, S. Saavedra, and L. Khodalev, “The Use of Self-induced XRF to Quantify the Pu Content in MOX Spent Nuclear Fuel,” Proceedings of the 2010 Annual Meeting of the Institute of Nuclear Materials Management, Baltimore, MD, July 11-15, 2010.
  60. C.M. Marianno, D.R. Boyle, W.S. Charlton, and G.M. Gaukler, “A Guide for Detector Development and Deployment,” Proceedings of the 2010 Annual Meeting of the Institute of Nuclear Materials Management, Baltimore, MD, July 11-15, 2010.
  61. A.S. Stafford*, W.S. Charlton, and C.R. Freeman*, “Exploration of X-Ray Fluorescence Spent Nuclear Fuel Source Term,” Proceedings of the 2010 Annual Meeting of the Institute of Nuclear Materials Management, Baltimore, MD, July 11-15, 2010.
  62. K.A. Miller* and W.S. Charlton, “An Inverse Source Location Algorithm for Radiation Portal Monitor Applications,” Proceedings of the 2010 Annual Meeting of the Institute of Nuclear Materials Management, Baltimore, MD, July 11-15, 2010.
  63. J. Miller* and W. Charlton, “Measurement of Uranium in Bio Matrices for Nuclear Forensic Purposes,” Proceedings of the 2010 Annual Meeting of the Institute of Nuclear Materials Management, Baltimore, MD, July 11-15, 2010.
  64. S. Chirayath, W. Charlton, A. Stafford*, C. Myers*, B. Goddard*, J. Alfred*, M. Carroll*, M. Sternat, and E. Rauch, “Risk Informed Safeguards Integration Studies for a Fast Reactor Fuel Cycle,” Proceedings of the 2010 Annual Meeting of the Institute of Nuclear Materials Management, Baltimore, MD, July 11-15, 2010.
  65. C. Ryan*, C. Marianno, W. Charlton, A. Solodov, and J. Livesay, “Determining the Effects of Construction Materials on Background Readings for Second Line of Defense Program Portal Monitoring Systems,” Proceedings of the 2010 Annual Meeting of the Institute of Nuclear Materials Management, Baltimore, MD, July 11-15, 2010.
  66. G.R. Hundley* and W.S. Charlton, “Determining Acquisition Pathways for a Radiological Dispersal Device,” Proceedings of the 2010 Annual Meeting of the Institute of Nuclear Materials Management, Baltimore, MD, July 11-15, 2010.
  67. A.M. LaFleur*, W.S. Charlton, H.O. Menlove, M.T. Swinhoe, S.Y. Lee, and S.J. Tobin, “Experimental Benchmark of MCNPX Calculations Against Self-Interrogation Neutron Resonance Densitometry (SINRD) Fresh Fuel Measurements,” Proceedings of the 2010 Annual Meeting of the Institute of Nuclear Materials Management, Baltimore, MD, July 11-15, 2010.
  68. D.G. Ford, W.S. Charlton, and K. Ragusa, “Safeguards Education at Texas A&M University,” Proceedings of the 2010 Annual Meeting of the Institute of Nuclear Materials Management, Baltimore, MD, July 11-15, 2010.
  69. D.G. Ford, W.S. Charlton, R. Tribble, C.M. Folden III, and W. Rundell, “Nuclear Forensics Certificate Program Development at TAMU,” Proceedings of the 2010 Annual Meeting of the Institute of Nuclear Materials Management, Baltimore, MD, July 11-15, 2010.
  70. C.T. Myers*, W.S. Charlton, and D.G. Ford, “Risk Analysis and Management of State Nuclear Security Measures,” Proceedings of the 2010 Annual Meeting of the Institute of Nuclear Materials Management, Baltimore, MD, July 11-15, 2010.
  71. C.A. Gariazzo, W. Charlton, and K.L. Peddicord, “US-Russian Academic Collaborations at Texas A&M University,” Proceedings of the 2010 Annual Meeting of the Institute of Nuclear Materials Management, Baltimore, MD, July 11-15, 2010.
  72. J. White*, W.S. Charlton, and A. Solodov, “Applications of X-ray Fluorescence and Fission Product Correlations for Nuclear Forensics,” Proceedings of the 2010 Annual Meeting of the Institute of Nuclear Materials Management, Baltimore, MD, July 11-15, 2010.
  73. M.R. Sternat*, W.S. Charlton, T.S. Nichols, R. Webb, and D.M. Beals, “Reactor Physics Modeling of Spent Nuclear Research Reactor Fuel for SNM Attribution and Nuclear Forensics,” Proceedings of the 2010 Annual Meeting of the Institute of Nuclear Materials Management, Baltimore, MD, July 11-15, 2010.
  74. W.S. Charlton, M.D. Zentner, and A.M. LaFleur*, “Results from the 2010 International Workshop for Users of Proliferation Assessment Tools Held at Texas A&M University,” Proceedings of the 2010 Annual Meeting of the Institute of Nuclear Materials Management, Baltimore, MD, July 11-15, 2010.
  75. K.A. Miller* and W.S. Charlton, “An Inverse Method for Locating a Radioactive Source Using a Distributed Array of Detectors,” Transactions of the 2010 American Nuclear Society Annual Meeting, San Diego, CA, June 13-17, 2010. 
  76. D. Sweeney* and W.S. Charlton, “Benchmarking TransLAT for Fission Product Generation,” Proceedings of the PHYSOR 2010, Pittsburgh, PA, May 9-14, 2010.
  77. A.M. LaFleur*, W.S. Charlton, H.O. Menlove, M.T. Swinhoe, and S. Tobin, “Comparison of Using Self-Interrogation Neutron Resonance Densitometry (SINRD) versus the Fork Detector (FDET) to Measure Partial Defects in Spent Fuel Assemblies,” Transactions of the 2009 American Nuclear Society Winter Meeting, Washington, D.C., November 15-19, 2009.
  78. W.S. Charlton, D.G. Ford*, W.D. Reece, W.H. Hsu, and K. Ragusa, “Nuclear Safeguards Education Portal at Texas A&M University,” Transactions of the 2009 American Nuclear Society Winter Meeting, Washington, D.C., November 15-19, 2009.
  79. D.J. Sweeney* and W.S. Charlton, “Latency as a Basis for Safeguards,” Transactions of the 2009 American Nuclear Society Winter Meeting, Washington, D.C., November 15-19, 2009.
  80. D. Sweeney*, J. Slanker*, W.S. Charlton, and R. Juzaitis, “Quantifying Nuclear Weapons Latency,” Proceedings of the 2009 Annual Meeting of the Institute of Nuclear Materials Management, Tucson, AZ, July 12-15, 2009.
  81. M. Dreicer, G. Anzelon, J. Essner, A. Dougan, J. Doyle, B. Boyer, P. Hypes, E. Sokova, F. Wehling, and W. Charlton, “International Safeguards Technology and Policy Education and Training Pilot Programs,” Proceedings of the 2009 Annual Meeting of the Institute of Nuclear Materials Management, Tucson, AZ, July 12-15, 2009.
  82. D.G. Ford and W.S. Charlton, “Safeguards Education Outreach at TAMU,” Proceedings of the 2009 Annual Meeting of the Institute of Nuclear Materials Management, Tucson, AZ, July 12-15, 2009.
  83. A. Stafford*, W.S. Charlton, J. White*, A. Hoover, and S. Saavedra, “Spent Nuclear Fuel Self-Induced X-ray Fluorescence Simulations for North Anna and TMI,” Proceedings of the 2009 Annual Meeting of the Institute of Nuclear Materials Management, Tucson, AZ, July 12-15, 2009.
  84. A. Hoover, W.S. Charlton, M.L. Fensin, A. Rajasingam, C. Rudy, S. Saavedra, A. Stafford*, D. Strohmeyer*, and S. Tobin, “Measurement of Plutonium in Spent Nuclear Fuel by Self-Induced X-ray Fluorescence,” Proceedings of the 2009 Annual Meeting of the Institute of Nuclear Materials Management, Tucson, AZ, July 12-15, 2009.
  85. G.R. Spence* and W.S. Charlton, “Directionally Sensitive Neutron Detectors for Portal Monitors,” Proceedings of the 2009 Annual Meeting of the Institute of Nuclear Materials Management, Tucson, AZ, July 12-15, 2009.
  86. B. Goddard*, W.S. Charlton, and S.M McDeavitt, “Real-Time Detection of UREX+3a Extraction Streams for Materials Accountancy,” Proceedings of the 2009 Annual Meeting of the Institute of Nuclear Materials Management, Tucson, AZ, July 12-15, 2009.
  87. E.B. Rauch*, W.S. Charlton, and D.G. Ford, “Developing a Safeguards Approach for a Small Graphite Moderated Reactor and Associated Fuel Cycle Facilities,” Proceedings of the 2009 Annual Meeting of the Institute of Nuclear Materials Management, Tucson, AZ, July 12-15, 2009.
  88. A. Rajasingam, A.S. Hoover, M.L. Fensin, S.J. Tobin, W.S. Charlton, S. Saavedra, A.A. Stafford*, D. Strohmeyer*, and M.T. Swinhoe, “Modeling X-ray Fluorescence from Spent Fuel Rods,” Proceedings of the 2009 Annual Meeting of the Institute of Nuclear Materials Management, Tucson, AZ, July 12-15, 2009.
  89. J.S. Feener* and W.S. Charlton, “Safeguards for the Uranium Extraction (UREX) +1a Process,” Proceedings of the 2009 Annual Meeting of the Institute of Nuclear Materials Management, Tucson, AZ, July 12-15, 2009.
  90. J.C. Miller* and W.S. Charlton, “Analytical Inverse Model for Post Event Attribution of Plutonium,” Proceedings of the 2009 Annual Meeting of the Institute of Nuclear Materials Management, Tucson, AZ, July 12-15, 2009.
  91. B. Goddard*, W.S. Charlton, S.M. McDeavitt, “Real-Time Detection of UREX+3a Extraction Streams for Process Monitoring Applications,” Transactions of the 2009 American Nuclear Society Annual Meeting, Atlanta, GA, June 8-11, 2009. 
  92. 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, Vilnius, Lithuania, May 26-28, 2009.
  93. 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, Vilnius, Lithuania, May 26-28, 2009.
  94. 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, Vilnius, Lithuania, May 26-28, 2009.
  95. 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, and S.J. Thompson, “Determining Plutonium in Spent Fuel with Nondestructive Assay Techniques,” Proceedings of 31st Annual Meeting of ESARDA, Vilnius, Lithuania, May 26-28, 2009.
  96. W.S. Charlton, “Nuclear Nonproliferation Technical Education Program at TAMU,” Transactions of the 2008 American Nuclear Society Winter Meeting, Reno, NV, November 9-13, 2008.
  97. B.D. Boyer, J.E. Doyle, M. Dreicer, E. Sokova, W.S. Charlton, D. Lockwood, and C. Lersten, “DOE, University, National Lab Program to Enhance Safeguards Education for the Next Generation of Future Safeguards Professionals,” Transactions of the 2008 American Nuclear Society Winter Meeting, Reno, NV, November 9-13, 2008.
  98. W. Charlton, K.L. Peddicord, N. Geraskin, E. Kryuchkov, V. Bolyatko, I.A. Vorobieva, and D. Klinov, “Analysis of New Challenges in Non-Proliferation Education,” presented at the PHYSOR 2008 International Conference on the Physics of Reactors, Interlaken, Switzerland, September 14-19, 2008.
  99. W.S. Charlton, et al., “Nonproliferation and Safeguards Education at Texas A&M University,” Proceedings of the 2008 INMM/ESARDA Tokyo Workshop “Meeting Safeguards Challenges in an Expanding Nuclear World”, Tokyo, October 6-9, 2008.
  100. J.L. Binder, W.S. Charlton, M.H. Ehinger, and S.F. Saavedra, “The Coupled End-to-End (CETE) Demonstration: Collaboration between Oak Ridge National Laboratory and Universities,” Proceedings of the 2008 Annual Meeting of the Institute of Nuclear Materials Management, Nashville, TN, July 13-17, 2008.

Recent Presentations

Recent Invited Talks

  1. “Assessing Nuclear Proliferation: Estimates of Nuclear Weapons Latency,” University of New Mexico, Albuquerque, New Mexico, April 13, 2015.
  2. “Synergies and Conflicts on Nuclear Safety and Security Risk Analysis in Reactor Design Courses,” International Symposium and Seminar on Global Human Resource Development for Nuclear Safety, Security, and Safeguards, Tokyo, Japan, February 19, 2015.
  3. “Developing Technology for Nuclear Security,” Workshop on Enhancement of Nuclear Engineering Curriculum with Nuclear Security Subjects, Universitas Gadjah Mada, Yogyakarta, Indonesia, January 26, 2015. 
  4. “Comprehensive Nuclear Security Approach,” Nuclear Security Workshop for Indian Universities, Indian Institute of Technology, Kanpur, India, August 11, 2014.
  5. “Nuclear Security Education”, International Symposium and Seminar on Global Human Resource Development for Nuclear Safety, Security, and Safeguards, Tokyo, Japan, February 25, 2014.
  6. “Tailoring Nuclear Security Education to Your Target Audience,” Partnership for Nuclear Security Curriculum Development Workshop, Abu Dhabi, UAE, December 15, 2013.
  7. “Nuclear Fuel Cycles and Proliferation Resistance,” Public Policy and Nuclear Threats Program at the University of California – San Diego, La Jolla, CA, August 6, 2013.
  8. “Nuclear Reactor Safety and Terrorism,” Asan Nuclear Forum, Seoul, South Korea, February 19, 2013.
  9. “Illicit Nuclear Trafficking,” Webinar to King’s College London, January 9, 2013.
  10. “Enhanced Detection of Nuclear Materials and Emergency Operations,” Symposium of the Global Initiative for Combatting Nuclear Terrorism, London, UK, November 1, 2012.
  11. “Enhancing Global Nuclear Security through US-ROK Technical Cooperation,” US-ROK Cooperation Workshop, Georgia Institute of Technology, Atlanta, GA, October 9, 2012.
  12. “Terrorism and Proliferation Risk Analysis Methodology and the State-of-the-Art,” Committee on Improving the Assessment of Proliferation Risk in Nuclear Fuel Cycles, National Academy of Sciences, Livermore, CA, May 22, 2012.
  13. “Security of Nuclear Materials Outside of Regulatory Control,” King’s College London, London, UK, January 11, 2012.
  14. “3S Education Program at Texas A&M University,” National University of Malaysia (UKM), Kuala Lumpur, Malaysia (December 6, 2011).
  15. “Nonproliferation and Terrorism Risk Management for SMR’s,” Winter Meeting of the American Nuclear Society, Washington, DC (November 1, 2011).

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