Publications – Dr. Shaun D. Clarke

Detection for Nuclear Nonproliferation Group/History of Journal Publications in DNNG/Publications – Dr. Shaun D. Clarke

Full articles in refereed publications

  1. M. Bourne, J. Whaley*, J. L. Dolan, J. K. Polack, M. Flaska, S. D. Clarke, A. Tomanin, P. Peerani, and S. A. Pozzi, “Cross-Correlation Measurements with the EJ-299-33 Plastic Scintillator,” Accepted to Nuclear Instruments and Methods in Physics Research Section A.
  2. A. Pozzi, M. M. Bourne, J. L. Dolan, K. Polack, C. Lawrence, M. Flaska, S. D. Clarke, A. Tomanin, P. Peerani, “Plutonium Metal vs. Oxide Determination with the Pulse-Shape-Discrimination-Capable Plastic Scintillator EJ-299-33.” Accepted to Nuclear Instruments and Methods in Physics Research Section A.
  3. A. Pozzi, B. Wieger, A. Enqvist, S. D. Clarke, M. Flaska, M. Marcath, E. Larsen, R. C. Haight, and E. Padovani, “Correlated Neutron Emissions from Cf-252,” Nuclear Science and Engineering 178, (2014): 1 – 11.
  4. Marc G. Paff, Mateusz Monterial, Peter Marleau, Scott Kiff, Aaron Nowack, Shaun D. Clarke, Sara A. Pozzi, “Gamma/Neutron Time-Correlation for Special Nuclear Material Detection – Active Stimulation of Highly Enriched Uranium” Accepted to Annals of Nuclear Energy.
  5. Alexis Poitrasson-Rivière, Michael C. Hamel, Kyle Polack, Marek Flaska, Shaun D. Clarke, and Sara A. Pozzi, “Dual-Particle Imaging System based on Simultaneous Detection of Photon and Neutron Collision Events,” Nuclear Instruments and Methods in Physics Section A 760 (2014): 40 – 45.
  6. F. Naeem, M. Scarpelli*, E. Miller, S. D. Clarke, and S. A. Pozzi, “Response of Liquid Scintillator Assemblies as a Function of Detector Angle,” Nuclear Instruments and Methods in Physics Research Section A 749 (2014): 35 – 41.
  7. C. Miller, J. K. Mattingly, S. D. Clarke, S. A. Pozzi, C. J. Solomon, B. Dennis*, and A. Meldrum*, “Computational Evaluation of Neutron Multipliciy Measurements of Polyethylene-Reflected Plutonium Metal,” Nuclear Science and Engineering 176 (2014): 167 – 185.
  8. M. Bourne, C. Mussi*, E. C. Miller, S. D. Clarke, S. A. Pozzi, and A. Georguiev, “Characterization of the CLYC Detector for Neutron and Photon Detection,” Nuclear Instruments and Methods in Physics Research Section A 736 (2014): 124 – 127.
  9. C. Miller, J. L. Dolan, S. D. Clarke, S. A. Pozzi, A. Tomanin, P. Peerani, P. Marleau, and J. K. Mattingly, “Time-Correlated Pulse-Height Measurements of Low-Multiplying Nuclear Materials,” Nuclear Instruments and Methods in Physics Research Section A 729 (2013): 108–116.
  10. A. Pozzi, M. M. Bourne, and S. D. Clarke, “Pulse Shape Discrimination in the Plastic Scintillator EJ-299-33,” Nuclear Instruments and Methods in Physics Research Section A 723 (2013): pp. 19–23.
  11. F. Naeem, S. D. Clarke, and S. A. Pozzi, “Spatial Response Characterization of Liquid Scintillator Detectors using Collimated Gamma-ray and Neutron Beams,” Nuclear Instruments and Methods in Physics Research Section A 726 (2013): 120 – 126.
  12. Chen, N. D. Powers, I. Ghebregziabher, C. M. Maharjan, C. Liu, G. Golovin, S. Banerjee, J. Zhang, N. Cunningham, A. Moorti, S. Clarke, S. Pozzi, D. P. Umstadter, “MeV-Energy X-rays from All-Laser-Driven Electron Acceleration and Synchrotron Radiation,” Physical Review Letters 110 (2013): 155003.
  13. F. Naeem, S. D. Clarke, and S. A. Pozzi, “Validation of Geant4 and MCNPX-PoliMi Simulations of Fast Neutron Detection with the EJ-309 Liquid Scintillator,” Nuclear Instruments and Methods in Physics Research Section A 714 (2013): 98 – 104.
  14. S. D. Clarke, E. C. Miller, M. Flaska, S. A. Pozzi, R. B. Oberer, and L. G. Chiang, “Verification and Validation of MCNPX-PoliMi for Simulation of Neutron Multiplicity Measurements.” Nuclear Instruments and Methods in Physics Research Section A 700 (2013): 135 – 139.
  15. C. Miller, S. D. Clarke, A. Enqvist, S. A. Pozzi, P. Marleau, and J. K. Mattingly, “Characterization of Special Nuclear Material using a Time-Correlated Pulse-Height Analysis,” Journal of Nuclear Materials Management vol. XLI no. 1 (2012): 32 – 37.
  16. Ide, M. F. Becchetti, M. Flaska, A. Poitrasson-Riviere, M. C. Hamel, J. K. Polack, C. C. Lawrence, S. D. Clarke, and S. A. Pozzi, “Analysis of a Measured Neutron Background below 6 MeV for Fast-Neutron Imaging Systems,” Nuclear Instruments and Methods in Physics Research Section A 694 (2012): 24 – 31.
  17. A. Pozzi, S. D. Clarke, W. Walsh, E. C. Miller, J. Dolan, M. Flaska, B. M. Wieger, A. Enqvist, E. Padovani, J. K. Mattingly, D. Chichester, and P. Peerani, “MCNPX-PoliMi for Nuclear Nonproliferation Applications,” Nuclear Instruments and Methods in Physics Research Section A 694 (2012): 119 – 125.
  18. Prasad, S. D. Clarke, S. A. Pozzi, and E. W. Larsen, “Response Matrix Method as a Variance Reduction Tool for Simulating Neutron Pulse Height Distributions,” Nuclear Science and Engineering 172 (2012): 78 – 86.
  19. C. Miller, S. D. Clarke, M. Flaska, S. A. Pozzi, and E. Padovani, “MCNPX-PoliMi Post-Processing Algorithm for Detector Response Simulation,” Journal of Nuclear Materials Management vol. XL, no. 2 (2012): 34 – 41.
  20. C. Miller, B. Dennis*, S. D. Clarke, S. A. Pozzi, and J. K. Mattingly, “Simulation of Polyethylene-Shielded Plutonium Multiplicity Measurements,” Nuclear Instruments and Methods in Physics Research Section A 652 (2011): 540 – 543.
  21. Ramanathan, S. Banerjee, N. Powers, N. Cunningham, N. Chandler-Smith, K. Zhao, K. Brown, D. Umstadter, S. Clarke, S. Pozzi, J. Beene, R. Vane, and D. Schultz, “Sub-Millimeter–Resolution Radiography of Shielded Structures with Laser-Accelerated Electron Beams,” Physical Review ST Accelerators and Beams 13 (2010): 104701.
  22. Zak, S. D. Clarke, M. M. Bourne, S. A. Pozzi, Y. Xu, T. J. Downar, and P. Peerani, “Neutron Spectroscopy of Plutonium Oxide Using Matrix Unfolding Approach,” Nuclear Instruments and Methods in Physics Research Section A 622 (2010): 191 – 195.
  23. A. Pozzi, Y. Xu, T. Zak, S. D. Clarke, M. Bourne, M. Flaska, T. J. Downar, P. Peerani, and V. Protopopescu, “Fast Neutron Spectrum Unfolding for Nuclear Nonproliferation and Safeguards Applications,” Il Nuovo Cimento 33C (2010): 1.
  24. D. Clarke, M. Flaska, S. A. Pozzi, and P. Peerani, “Neutron and Gamma-Ray Cross-Correlation Measurements of Plutonium-Oxide Powder,” Nuclear Instruments and Methods in Physics Research Section A 604 (2009): 618 – 623.
  25. A. Pozzi, S. D. Clarke, M. Flaska, and P. Peerani, “Pulse Height Distributions of Neutrons and Gamma-Rays from Plutonium Oxide,” Nuclear Instruments and Methods in Physics Research Section A 608 (2009): 310 – 315.
  26. S. D. Clarke, S. A. Pozzi, M. Flaska, and T. J. Downar, “Monte Carlo Study of Photoneutron Production in U-235 Following Perturbations in Cross Section Data,” Annals of Nuclear Energy 36 (2009): 393 – 398.
  27. S. D. Clarke, S. A. Pozzi, E. Padovani, and T. J. Downar, “Sensitivity of Photoneutron Production to Perturbations in Cross-Section Data,” Nuclear Science and Engineering 160 (2008): 370 – 377.
  28. E. Padovani, S. Clarke, and S. Pozzi, “Feasibility of Monte Carlo Simulation of Prompt Correlated Counts from Photon Interrogation of Concealed Nuclear Materials,” Nuclear Instruments and Methods in Physics Research Section A 583 (2007): 412 – 420.
  29. S. D. Clarke and T. Jevremovic, “MCNP5 Evaluation of Dose Dissipation in Tissue-Like Media Exposed to Low Energy Monoenergetic X-ray Microbeam,” Radiation and Environmental Biophysics 44 (2005): 225 – 233.

Refereed conference or symposium proceedings papers

  1. D. Clarke, B. M. Wieger, E. Pryser, R. Arghal, S. A. Pozzi, R. A. Hälg, V. A. Bashkirov, and R. W. Schulte, Characterization of Secondary Neutron Production During Proton Therapy, Accepted to the 2014 IEEE Nuclear Science Symposium, Seattle, WA USA, Nov. 8 – 15, 2014.
  2. C. Hamel, A. Poitrasson-Rivière, J. K. Polack, M. Flaska, S. D. Clarke, S. A. Pozzi, A. Tomanin, and P. Peerani, “Time-of-Flight Neutron Spectrum Unfolding for Mixed-Oxide Nuclear Fuel and Plutonium Metal Using a Dual-Particle Imager,” Accepted to the 2014 IEEE Nuclear Science Symposium, Seattle, WA USA, Nov. 8 – 15, 2014.
  3. J. Marcath, T. Shin, S. D. Clarke, J. L. Dolan, M. Flaska, E. Larsen, S. A. Pozzi, and P. Peerani, “Plutonium Metal Spontaneous Fission Neutron Cross-Correlation Measurements,” Accepted to the 2014 IEEE Nuclear Science Symposium, Seattle, WA USA, Nov. 8 – 15, 2014.
  4. F. Naeem, S. D. Clarke, S. A. Pozzi, Y. Lagisetty*, and T. Schwarz, “Spatial pulse shape discrimination response of an organic-liquid scintillator using a collimated source,” Accepted to the 2014 IEEE Nuclear Science Symposium, Seattle, WA USA, Nov. 8 – 15, 2014.
  5. K. Polack, A. Poitrasson-Rivière, M. C. Hamel, S. D. Clarke, M. Flaska, S. Pozzi, A. Tomanin, and P. Peerani, “Image Reconstruction of Shielded Mixed-Oxide Fuel Using a Dual-Particle Imaging System,” Accepted to the 2014 IEEE Nuclear Science Symposium, Seattle, WA USA, Nov. 8 – 15, 2014.
  6. D. Clarke, M. J. Marcath, M. L. Ruch, J. L. Dolan, M. Flaska, E. W. Larsen, E. Padovani, P. Peerani, and S. A. Pozzi, “Advances in the MCNPX-PoliMi Code for Nuclear Safeguards Applications,” Proceedings of the Institute of Nuclear Materials Management 55thAnnual Meeting, Atlanta, GA, USA. July 20 – 24, 2014, available online.
  7. A. Pozzi, B. Wieger, S. Ward, S. D. Clarke, M. Flaska, M. J. Marcath, E. W. Larsen, A. Enqvist, R. Vogt, P. Talou, and E. Padovani, “Experiments and Simulations of Correlated, Prompt Emissions in Cf-252,” Proceedings of the Institute of Nuclear Materials Management 55thAnnual Meeting, Atlanta, GA, USA. July 20 – 24, 2014, available online.
  8. M. Bourne, S. D. Clarke, A. Enqvist, and S. A. Pozzi, “Design of Handheld Scintillation Systems Capable of Pulse-shape Discrimination in a High-Gamma Field,” Proceedings of the Institute of Nuclear Materials Management 55thAnnual Meeting, Atlanta, GA, USA. July 20 – 24, 2014, available online.
  9. L. Ruch, M. Paff, A. Poitrasson-Riviere, S. D. Clarke, and S. A. Pozzi, “Radionuclide Identification by an EJ309 Organic Scintillator-based Pedestrian Radiation Portal Monitor using a Least Squares Algorithm,” Proceedings of the Institute of Nuclear Materials Management 55thAnnual Meeting, Atlanta, GA, USA. July 20 – 24, 2014, available online.
  10. Paff, M. Ruch, S. D. Clarke, and S. A. Pozzi, “Performance of a EJ309 Organic Liquid Scintillation Detector Pedestrian Radiation Portal Monitor Prototype at the 2nd SCINTILLA Benchmark Campaign,” Proceedings of the Institute of Nuclear Materials Management 55thAnnual Meeting, Atlanta, GA, USA. July 20 – 24, 2014, available online.
  11. F. Naeem, B. Wieger, S. D. Clarke, S. A. Pozzi, “Li-6 Glass Scintillator for Detecting and Discriminating Fission Neutrons Using Time-of-Flight,” Proceedings of the Institute of Nuclear Materials Management 55thAnnual Meeting, Atlanta, GA, USA. July 20 – 24, 2014, available online.
  12. A. Sagadaven, M. L. Ruch, M. G. Paff, S. D. Clarke, and S. A. Pozzi, “Simulation of an EJ-309 based Pedestrian Radation Portal Monitor using MCNPX-PoliMi,” Proceedings of the Institute of Nuclear Materials Management 55thAnnual Meeting, Atlanta, GA, USA. July 20 – 24, 2014, available online.
  13. Silano, H. J. Karwowski, S. Clarke, S. Pozzi, S. Banerjee, D. Haden, G. Golovin, S. Chen, I. Ghebregziabher, C. Liu, C. Petersen, J. Zhang, N. Powers, B. Zhao, K. Brown, J. Mills, and D. Umstadter, “Selective activation with all-laser-driven Thomson γ-rays,” 13th IEEE International Conference on Technologies for Homeland Security (HST 2013), Waltham, MA, USA, Nov. 12 – 14, available online.
  14. Shirwadkar, E. V. D. Van Loef, G. Markosyan, J. Glodo, L. Soundara-Pandian, V. Biteman, A. Gueorguiev, K. Shah, S. Pozzi, S. Clarke, and M. Bourne, “New generation plastic scintillators for fast neutron spectroscopy and Pulse Shape Discrimination,” 2013 IEEE Nuclear Science Symposium Conference Record, Seoul, South Korea, Oct. 27 – Nov. 2, 2013, on CD-ROM.
  15. D. Clarke, M. L. Ruch, M. M. Marcath, S. A. Pozzi, and E. W. Larsen, “Enhanced Variance Reduction Capabilities in the MCNPX-PoliMi Code,” Proceedings of the Institute of Nuclear Materials Management 54thAnnual Meeting, Palm Desert, CA, USA, July 14 – 18, 2013, available online.
  16. Monterial, M. G. Paff, S. D. Clarke, E. Miller, S. A. Pozzi, P. Marleau, S. Kiff, A. Nowack and  J.  K. Mattingly, “Time-Correlated-Pulse-Height Technique Measurements of Fissile Samples at the Device Assembly Facility,” Proceedings of the Institute of Nuclear Materials Management 54thAnnual Meeting, Palm Desert, CA, USA, July 14 – 18, 2013, available online.
  17. F. Naeem, M. Flaska, S. D. Clarke, and S. A. Pozzi, “Simulations of Optical Photons for the EJ-309 Organic-Liquid Scintillator,” Proceedings of the Institute of Nuclear Materials Management 54thAnnual Meeting, Palm Desert, CA, USA, July 14 – 18, 2013, available online.
  18. A. Pozzi, A. Enqvist, B. Wieger, S. D. Clarke, M. Flaska, M. Marcath, E. W. Larsen, R. C. Haight, N. Puppato, and E. Padovani (2013). “Fission Models in MCNPX-PoliMi,” Proceedings of the Institute of Nuclear Materials Management 54thAnnual Meeting, Palm Desert, CA, USA, July 14 – 18, 2013, available online.
  19. L. Salazar, H. Zhou*, M. Flaska, S. D. Clarke, and S. A. Pozzi, “Comparison of PSD Properties for Stilbene, p-Terphenyl, Liquid Organic Scintillators, and Solid (Plastic) Organic Scintillators,” Proceedings of the Institute of Nuclear Materials Management 54thAnnual Meeting, Palm Desert, CA, USA, July 14 – 18, 2013, available online.
  20. M. Bourne, S. D. Clarke, and S. A. Pozzi, “Pulse-Shape Discrimination Capabilities of the EJ-299 Plastic Scintillator,” Proceedings of the Institute of Nuclear Materials Management 54thAnnual Meeting, Palm Desert, CA, USA, July 14 – 18, 2013, available online.
  21. Norsworthy, C. A. Miller, S. D. Clarke, and S. A. Pozzi, “Low-energy Neutron Measurements with EJ-309 Liquid Scintillator Detectors,” Proceedings of the Institute of Nuclear Materials Management 54thAnnual Meeting, Palm Desert, CA, USA, July 14 – 18, 2013, available online.
  22. Enqvist, B. M. Wieger, S. D. Clarke, S. A. Pozzi, R. C. Haight, H. Y. Lee, B. A. Perdue, E. Kwan and C.-Y. Wu, “Energy-Angle Correlation of Neutron Emission from 235U Induced Fission,” Proceedings of the Institute of Nuclear Materials Management 54thAnnual Meeting, Palm Desert, CA, USA, July 14 – 18, 2013, available online.
  23. Enqvist, B. M. Wieger, S. D. Clarke, S. A. Pozzi, R. C. Haight, H. Y. Lee, B. A. Perdue, E. Kwan and C.-Y. Wu, “Neutron Multiplicity Distribution Measurements of 235U Induced Fission,” Proceedings of the Institute of Nuclear Materials Management 54thAnnual Meeting, Palm Desert, CA, USA, July 14 – 18, 2013, available online.
  24. L. Ruch, S. D. Clarke, and S. A. Pozzi, “Improvements in the MCNPX-PoliMi Post-processing Code for Determining Detector Response,” Proceedings of the Institute of Nuclear Materials Management 54thAnnual Meeting, Palm Desert, CA, USA, July 14 – 18, 2013, available online.
  25. C. Hamel, J. K. Polack, A. Poitrasson-Rivière, J. E. Cho*, S. D. Clarke, M. Flaska, and S. A. Pozzi, “Design and Analysis of a Two-plane Dual-Particle Imaging System,” Proceedings of the Institute of Nuclear Materials Management 54thAnnual Meeting, Palm Desert, CA, USA, July 14 – 18, 2013, available online.
  26. J. Marcath, E. W. Larsen. S. D. Clarke, and S.A. Pozzi, “A New “Implicit Correlation” Method for Cross-Correlation Sampling in MCNPX-PoliMi,” Transactions of the 2013 International Conference on Mathematics and Computational Methods Applied to Nuclear Science & Engineering (M&C 2013), Sun Valley, Idaho, USA, May 5 – 9, 2013.
  27. A. Norsworthy, S. D. Clarke, C. A. Miller*, S. A. Pozzi, and T. A. Antaya, “Validation of 11B(d,n)12C neutron production using MCUNED,” Transactions of the 2012 American Nuclear Society Annual Winter Meeting, San Diego, CA USA, Nov. 11 – 15, 2012, vol. 107, pp. 133 – 135.
  28. D. Clarke, S.A. Pozzi, and E. Padovani, “Photonuclear Physics Modeling in the MCNPX-PoliMi Code.” 2012 IEEE Nuclear Science Symposium Conference Record, Anaheim, CA USA, Oct. 27 – Nov. 3, 2012, on CD-ROM.
  29. Poitrasson-Rivère, M. Flaska, M. C. Hamel, K. Ide, J. K. Polack, S. D. Clarke, and S. A. Pozzi, “Digital Data Acquisition and Processing for a Neutron-Gamma-Ray Imaging System,” 2012 IEEE Nuclear Science Symposium Conference Record, Anaheim, CA USA, Oct. 27 – Nov. 3, 2012, on CD-ROM.
  30. L. Dolan, E. C. Miller, A. C. Kaplan, L. Huang*, A. Enqvist, M. Flaska, S. D. Clarke, A. Tomanin, P. Peerani, D. L. Chichester, and S. A. Pozzi, “Passive Measurement of Organic-Scintillator Neutron Signatures for Nuclear Safeguards Applications,” 2012 IEEE Nuclear Science Symposium Conference Record, Anaheim, CA USA, Oct. 27 – Nov. 3, 2012, on CD-ROM.
  31. K. Polack, A. Poitrasson-Rivère, M. C. Hamel, M. F. Becchetti, K. Ide, S. D. Clarke, M. Flaska, and S. A. Pozzi, “Image Reconstruction Using a Three-Plane, Dual-Particle Imager for Standoff Detection of Special Nuclear Material,” 2012 IEEE Nuclear Science Symposium Conference Record, Anaheim, CA USA, Oct. 27 – Nov. 3, 2012, on CD-ROM.
  32. F. Becchetti, K. Ide, A. Poitrasson-Rivère, M. C. Hamel, J. K. Polack, S. D. Clarke, M. Flaska, and S. A. Pozzi, “Simulations of the Cosmic-Ray-Induced Neutron Background,” 2012 IEEE Nuclear Science Symposium Conference Record, Anaheim, CA USA, Oct. 27 – Nov. 3, 2012, on CD-ROM.
  33. A. Norsworthy, C. A. Miller*, S. D. Clarke, S. A. Pozzi, and T. A. Antaya, “MCNPX Characterization of Compact Superconducting Cyclotron with 11B Target,” 2012 IEEE Nuclear Science Symposium Conference Record, Anaheim, CA USA, Oct. 27 – Nov. 3, 2012, on CD-ROM.
  34. A. Pozzi, S. D. Clarke, W. Walsh*, E. C. Miller, J. Dolan, M. Flaska, B. M. Wieger, A. Enqvist, E. Padovani, J. K. Mattingly, D. Chichester, and P. Peerani, “Validation of MCNPX-PoliMi Fission Models,” 2012 IEEE Nuclear Science Symposium Conference Record, Anaheim, CA USA, Oct. 27 – Nov. 3, 2012, on CD-ROM.
  35. F. Naeem, S. D. Clarke, and S. A. Pozzi, “Comparison of Geant4 and MCNPX-PoliMi Induced Fission Models,” 2012 IEEE Nuclear Science Symposium Conference Record, Anaheim, CA USA, Oct. 27 – Nov. 3, 2012, on CD-ROM.
  36. Powers, S. Chen, I. Ghebregziabher, C. Maharjan, C. Liu, G. Golovin, S. Banerjee, J. Zhang, N. Cunningham, A. Moorti, S. D. Clarke, S. A. Pozzi, D. Umstadter, “Characterization of Wakefield Accelerated Electron Beams by a Spatial Cross-Correlation Technique,” 2012 Frontiers in Optics/Laser Science XXVIII (FiO/LS) Meeting, Rochester, NY, USA, Oct. 14 – 18, 2012.
  37. Ghebregziabher, S. Chen, N. Powers, C. Maharjan, C. Liu, G. Golovin, S. Banerjee, J. Zhang, N. Cunningham, A. Moorti, S. D. Clarke, S. A. Pozzi, D. Umstadter, “Bright Gamma-Ray Beam Source Based on Laser Wakefield Accelerator and Laser Undulator,” 2012 Frontiers in Optics/Laser Science XXVIII (FiO/LS) Meeting, Rochester, NY, USA, Oct. 14 – 18, 2012.
  38. D. Clarke, S. A. Pozzi, M. Flaska, R. B. Oberer, and L. G. Chiang, “Monte Carlo Analysis of Gamma-ray Spectroscopy of Uranium-Oxide Samples,” Proceedings of the Institute of Nuclear Materials Management 53rd Annual Meeting, 15 – 19 July, Orlando, FL, USA, on CD-ROM.
  39. T. Brown, A. C. Kaplan, J. D. Karbowski, M. A. Norsworthy, S. D. Clarke, S. A. Pozzi, “Simulation of a Novel Active Interrogation System Using MCNPX,” Proceedings of the Institute of Nuclear Materials Management 53rd Annual Meeting, Orlando, FL, USA, Jul. 15 – 19, 2012, on CD-ROM.
  40. F. Naeem, S. D. Clarke, and S. A. Pozzi, “Comparison of Neutron Pulse Height Distributions from Organic Scintillators Calculated by Geant4 and MCNPX-PoliMi,” Proceedings of the Institute of Nuclear Materials Management 53rd Annual Meeting, Orlando, FL, USA, Jul. 15 – 19, 2012, on CD-ROM.
  41. Prasad, S. D. Clarke, S. A. Pozzi, and E. W. Larsen, “Time-Dependent Nonanalog MCNPX-PoliMi Scintillation Detector Response for Neutrons,” Proceedings of the Institute of Nuclear Materials Management 53rd Annual Meeting, Orlando, FL, USA, Jul. 15 – 19, 2012, on CD-ROM.
  42. A. Pozzi, S. D. Clarke, W. Walsh, E. Miller, J. Dolan, B. Weiger, M. Flaska, A. Enqvist, S. Naeem, J. Mattingly, N. Puppato, E. Padovani, and P. Peerani, “MCNPX-PoliMi for the Simulation of the Neutron and Gamma-ray Emissions from Nuclear Fission,” Proceedings of the Institute of Nuclear Materials Management 53rd Annual Meeting, Orlando, FL, USA, Jul. 15 – 19, 2012, on CD-ROM.
  43. C. Hamel, A. Poitrasson-Rivière, J. K. Polack, K. Ide, M. Becchetti*, S. D. Clarke, M. Flaska, and S. A. Pozzi, “Terrestrial and Cosmic Background Radiation Effects on a Dual-Particle Imaging System,” Proceedings of the Institute of Nuclear Materials Management 53rd Annual Meeting, Orlando, FL, USA, Jul. 15 – 19, 2012, on CD-ROM.
  44. M. Bourne, S. D. Clarke, E. C. Miller, C. M. Mussi*, S. A. Pozzi, and A. Gueorguiev, “Characterization of the CLYC Detector for Neutron and Photon Detection,” Proceedings of the Institute of Nuclear Materials Management 53rd Annual Meeting, Orlando, FL, USA, Jul. 15 – 19, 2012, on CD-ROM.
  45. Paff, S. D. Clarke, S. A. Pozzi, and S. Kiff, “MCNPX Simulations of UF6 Neutron Spectroscopy Measurements using Liquid Scintillator Detectors for 235U Enrichment Determination,” Proceedings of the Institute of Nuclear Materials Management 53rd Annual Meeting, Orlando, FL, USA, Jul. 15 – 19, 2012, on CD-ROM.
  46. C. Miller, S. D. Clarke, S. A. Pozzi, P. Marleau, and J. K. Mattingly, “Characterization of Special Nuclear Material using a Time-Correlated Pulse-Height Analysis,” Proceedings of the Institute of Nuclear Materials Management 53rd Annual Meeting, Orlando, FL, USA, Jul. 15 – 19, 2012, on CD-ROM.
  47. C. Lawrence, A. Enqvist, T. Massey, M. Flaska, S. D. Clarke, S. A. Pozzi, and F. D. Becchetti, “Response Characterization for the Hydrogen-based Liquid Scintillation Detector EJ309,” Proceedings of the Institute of Nuclear Materials Management 53rd Annual Meeting, Orlando, FL, USA, Jul. 15 – 19, 2012, on CD-ROM.
  48. K. Mattingly, E. C. Miller, C. J. Solomon, B. Dennis*, A. Meldrum*, S. D. Clarke, and S. A. Pozzi, “An Evaluation of Monte Carlo Simulations of Neutron Multiplicity Measurements of Plutonium Metal,” Transactions of the 2012 American Nuclear Society Annual Meeting, Chicago, IL USA, Jun. 24 – 28, 2012, vol. 106, pp. 490 – 493.
  49. Prasad, S. D. Clarke, S. A. Pozzi, and E. W. Larsen, “Organic Scintillation Detector Response Simulation Using Non-Analog MCNPX-PoliMi,” Transactions of the International Conference on Reactor Physics 2012 (PHYSOR 2012), Knoxville, TN, USA, Apr. 15 – 20, 2012, on CD-ROM.
  50. D. Clarke, M. Flaska, S.A. Pozzi, R. B. Oberer, and L. G. Chiang, “Monte Carlo Analysis of Nondestructive Assay Techniques for Highly Enriched Uranium Oxide,” 2011 IEEE Nuclear Science Symposium Conference Record, Valencia, Spain, Oct. 23 – 29, 2011, on CD-ROM.
  51. K. Polack, A. Poitrasson-Rivière, M. C. Hamel, K. L. McMillan, K. Ide, S. D. Clarke, M. Flaska, and S.A. Pozzi, “Dual Particle Imager for Standoff Detection of Special Nuclear Material,” 2011 IEEE Nuclear Science Symposium Conference Record, Valencia, Spain, Oct. 23 – 29, 2011, on CD-ROM.
  52. Poitrasson-Rivière, M. C. Hamel, K. Ide, J. K. Polack, K. L. McMillan, S. D. Clarke, M. Flaska, S.A. Pozzi, G. Pausch, C.-M. Herbach, M. Ohmes, and J. Stein, “Large-Scale Compton-Camera Simulations, Validation Experiments, and Image Reconstruction,” 2011 IEEE Nuclear Science Symposium Conference Record, Valencia, Spain, Oct. 23 – 29, 2011, on CD-ROM.
  53. A. Norsworthy, S. D. Clarke, S.A. Pozzi, and T. A. Antaya, “Active Interrogation Source based on Deuteron Reactions,” 2011 IEEE Nuclear Science Symposium Conference Record, Valencia, Spain, Oct. 23 – 29, 2011, on CD-ROM.
  54. C. Lawrence, A. Enqvist, M. Ojaruega, M. Flaska, S. D. Clarke, S. A. Pozzi, and F. D. Becchetti, “Neutron Energy Spectrum Unfolding with Deuterium- and Hydrogen-based Liquid Scintillators,” 2011 IEEE Nuclear Science Symposium Conference Record, Valencia, Spain, Oct. 23 – 29, 2011, on CD-ROM.
  55. Ojaruega, F.D. Becchetti, A.N. Villano, R. Torres-Isea, A. Roberts, J.J. Kolata, C.C. Lawrence, S.A. Pozzi, M. Flaska, S. D. Clarke,“Deuterated Liquid Scintilators: A New Tool for Neutron Measurements,” American Institute of Physics Conference. Proceedings vol. 1412, 2011.
  56. D. Clarke, M. Flaska, S. A. Pozzi, R. B. Oberer, and L. Chiang, “MCNPX-PoliMi Simulation of an Active Well Coincidence Counter Measurements of Uranium-Oxide Standards,” Proceedings of the Institute of Nuclear Materials Management 52nd Annual Meeting, Palm Desert CA, USA, Jul. 17 – 22, 2011, on CD-ROM.
  57. L. Dolan, E. C. Miller, A. Enqvist, M. Flaska, S. D. Clarke, S. A. Pozzi, and P. Peerani, “Neutron Measurement and Spectroscopy with Capture-Gated Scintillation Detectors for Nuclear Safeguards Applications,” Proceedings of the Institute of Nuclear Materials Management 52nd Annual Meeting, Palm Desert CA, USA, Jul. 17 – 22, 2011, on CD-ROM.
  58. Poitrasson-Rivière, M. C. Hamel, J. K. Polack, K. L. McMillan, K. Ide, S. D. Clarke, M. Flaska, and S. A. Pozzi, “Design Considerations of a Dual-Particle Imager for Nonproliferation Applications,” Proceedings of the Institute of Nuclear Materials Management 52nd Annual Meeting, Palm Desert CA, USA, Jul. 17 – 22, 2011, on CD-ROM.
  59. J. Walsh, S. D. Clarke, and S. A. Pozzi, “Nuclear Resonance Fluorescence Simulation Techniques Using MCNP,” Proceedings of the Institute of Nuclear Materials Management 52nd Annual Meeting, Palm Desert CA, USA, Jul. 17 – 22, 2011, on CD-ROM.
  60. C. Lawrence, A. Enqvist, M. Ojaruega, S. D. Clarke, M. Flaska, S. A. Pozzi, and F. D. Becchetti, “Measurement and Simulation of Response Matrices of Liquid Scintillation Detectors for use in Neutron Energy Spectrum Unfolding,” Proceedings of the Institute of Nuclear Materials Management 52nd Annual Meeting, Palm Desert CA, USA, Jul. 17 – 22, 2011, on CD-ROM.
  61. C. Miller, J. L. Dolan, S. D. Clarke, S.A. Pozzi, M. Flaska, and P. Peerani, “Simulation of Cross-Correlation Measurements of MOX Fuel,” Proceedings of the Institute of Nuclear Materials Management 52nd Annual Meeting, Palm Desert CA, USA, Jul. 17 – 22, 2011, on CD-ROM.
  62. M. Bourne, S. D. Clarke, M. Flaska, A. Enqvist, and S. A. Pozzi, “Measurement of Detector Resolution for Photon Detection with Organic Liquid Scintillation Detectors,” Proceedings of the Institute of Nuclear Materials Management 52nd Annual Meeting, Palm Desert CA, USA, Jul. 17 – 22, 2011, on CD-ROM.
  63. A. Pozzi, J. L. Dolan, E. C. Miller, M. Flaska, S. D. Clarke, A. Enqvist, P. Peerani, M. A. Smith-Nelson, E. Padovani, J. B. Czirr, and L. B. Rees, “Evaluation of New and Existing Organic Scintillators for Fast Neutron Detection,” Proceedings of the Institute of Nuclear Materials Management 52nd Annual Meeting, Palm Desert CA, USA, Jul. 17 – 22, 2011, on CD-ROM.
  64. Prasad, S. D. Clarke, S. A. Pozzi, and E. W. Larsen, “Response Function Study for Energy to Light Conversion in Organic Liquid Scintillators,” Proceedings of the Institute of Nuclear Materials Management 52nd Annual Meeting, Palm Desert CA, USA, Jul. 17 – 22, 2011, on CD-ROM.
  65. Ojaruega, F. D. Becchetti, A. N. Villano, R. Torres-Isea, A. Roberts, J. J. Kolata, C. C. Lawrence, S. A. Pozzi, M. Flaska, and S. D. Clarke, “Deuterated Liquid Scintillators: A New Tool for Neutron Measurements,” 11th International Conference on Applications of Nuclear Techniques; Crete, Greece, Jun. 12 – Jun. 18, available online.
  66. Prasad, S. D. Clarke, S. A. Pozzi, and E. W. Larsen, “A Response-Matrix Method for the Calculation of Neutron Pulse Height Distributions in MCNP. Transactions of the International Conference on Mathematics,” Computational Methods & Reactor Physics (M&C 2011), Rio de Janeiro, RJ, Brazil, May 8 – 12, 2011, on CD-ROM.
  67. D. Clarke, M. Flaska, S. A. Pozzi, R. B. Oberer, and L. Chiang, “MCNP-PoliMi Analysis of Neutron-Source Penetrability in Uranium-Oxide Samples Measured with an Active Well Coincidence Counter,” 2010 IEEE Nuclear Science Symposium Conference Record, Knoxville, TN USA, Oct. 30 – Nov. 6, 2010, on CD-ROM.
  68. Poitrasson-Rivière, M. C. Hamel*, S. D. Clarke, M. Flaska, S. A. Pozzi, A. Gueorguiev, G. Pausch, C.-M. Herbach, M. Ohmes, and J. Stein, “Monte Carlo Study of Compton-Camera Detection Sensitivity,” 2010 IEEE Nuclear Science Symposium Conference Record, Knoxville, TN USA, Oct. 30 – Nov. 6, 2010, on CD-ROM.
  69. C. Lawrence, S. D. Clarke, M. Flaska, S. A. Pozzi, F. D. Becchetti, and M. Ojaruega, “Time-of-Flight Measurement Technique for Energy-Dependent Intrinsic Neutron Detection Efficiency,” 2010 IEEE Nuclear Science Symposium Conference Record, Knoxville, TN USA, Oct. 30 – Nov. 6, 2010, on CD-ROM.
  70. C. Miller, J. L. Dolan, S. A. Pozzi, M. Flaska, L. Huang, S. D. Clarke, and P. Peerani, “Neutron and Gamma Ray Cross-Correlation Measurements of MOX Fuel using Liquid Scintillators,” 2010 IEEE Nuclear Science Symposium Conference Record, Knoxville, TN USA, Oct. 30 – Nov. 6, 2010, on CD-ROM.
  71. Flaska, S. D. Clarke, C. C. Lawrence, S. A. Pozzi, J. B. Czirr, and L. B. Rees, “Characterization of Cadmium Capture-Gated Detector for Nuclear Nonproliferation Applications,” 2010 IEEE Nuclear Science Symposium Conference Record, Knoxville, TN USA, Oct. 30 – Nov. 6, 2010, on CD-ROM.
  72. M. Bourne, S. D. Clarke, E. C. Miller, M. Flaska, and S. A. Pozzi, “Measurement of Detector Resolution for Neutral Particle Detection with Liquid Scintillators.” 2010 IEEE Nuclear Science Symposium Conference Record, Knoxville, TN USA, Oct. 30 – Nov. 6, 2010, on CD-ROM.
  73. Prasad, S. D. Clarke, S. A. Pozzi, and E. W. Larsen, “Time-Dependent Neutron Detector Response Simulation for Shielded 252Cf,” 2010 IEEE Nuclear Science Symposium Conference Record, Knoxville, TN USA, Oct. 30 – Nov. 6, 2010, on CD-ROM.
  74. D. Clarke, C. C. Lawrence, M. Flaska, S.A. Pozzi, D. Wenzloff, M. Faisal, R. Schiffer, J. B. Czirr, and L. B. Rees, “Analysis of a Cadmium-Plastic Scintillation Capture-Gated Neutron Detector,” Proceedings of the Institute of Nuclear Materials Management 51st Annual Meeting, Baltimore, MD, USA, Jul. 11 – 15, 2010, on CD-ROM.
  75. M. Bourne, S. D. Clarke, E. C. Miller, M. Flaska and S. A. Pozzi, “Investigation of the Neutron Response Function of a Liquid Scintillation Detector,” Proceedings of the Institute of Nuclear Materials Management 51st Annual Meeting, Baltimore, MD, USA, Jul. 11 – 15, 2010, on CD-ROM.
  76. C. Lawrence, F. D. Becchetti, M. Ojaruega, S. D. Clarke, M. Flaska, and S. A. Pozzi, “Intrinsic Detection Efficiency and Pulse Shape Discrimination Characteristics of Deuterated Liquid Scintillators,” Proceedings of the Institute of Nuclear Materials Management 51st Annual Meeting, Baltimore, MD, USA, Jul. 11 – 15, 2010, on CD-ROM.
  77. C. Miller, B. Dennis*, S. D. Clarke, S. A. Pozzi, and J. K. Mattingly, “Simulations of Neutron Multiplicity Measurements of a Weapons-Grade Plutonium Sphere with MCNP-PoliMi,” Proceedings of the Institute of Nuclear Materials Management 51st Annual Meeting, Baltimore, MD, USA, Jul. 11 – 15, 2010, on CD-ROM.
  78. Poitrasson-Rivière, B. A. Maestas, M. C. Hamel*, S. D. Clarke, M. Flaska, and S. A. Pozzi, “High-Fidelity Compton-Camera System for Nonproliferation Applications,” Proceedings of the Institute of Nuclear Materials Management 51st Annual Meeting, Baltimore, MD, USA, Jul. 11 – 15, 2010, on CD-ROM.
  79. Prasad, S. D. Clarke, S. A. Pozzi, and E. W. Larsen, “A Response Matrix Method for the Calculation of Neutron Pulse Height Distributions in MCNP,” Proceedings of the Institute of Nuclear Materials Management 51st Annual Meeting, Baltimore, MD, USA, Jul. 11 – 15, 2010, on CD-ROM.
  80. J. Walsh, S. D. Clarke, S. A. Pozzi, N. Cunningham, S. Banerjee, and D. Umstadter, “Analysis of the Uncertainty of Nuclear Resonance Fluorescence Cross Sections,” Proceedings of the Institute of Nuclear Materials Management 51st Annual Meeting, Baltimore, MD, USA, Jul. 11 – 15, 2010, on CD-ROM.
  81. Prasad, S. D. Clarke, S. A. Pozzi, and E. W. Larsen, “Time-Dependent Simulation of Neutron Detector Response using MCNP,” Transactions of the 2010 American Nuclear Society Annual Meeting, San Diego, CA USA, Jun. 13 – 17, 2010, vol. 102, pp. 119-120.
  82. D. Clarke, S. A. Pozzi, N. Cunningham, S. Banerjee, and D. Umstadter, “Monte Carlo Characterization of a Pulsed Laser-Wakefield Driven Monochromatic X-Ray Source,” 2009 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, Orlando, FL, USA, Oct. 25 – 31, 2009, on CD-ROM.
  83. J. Walsh, S. D. Clarke, S. A. Pozzi, N. Cunningham, S. Banerjee, and
    D. Umstadter, “Application of a Laser-Wakefield Driven Monochromatic X-Ray Source to Nuclear Fluorescence,” 2009 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, Orlando, FL, USA, Oct. 25 – 31, 2009, on CD-ROM.
  84. C. Miller, S. D. Clarke, S. A. Pozzi, and J. K. Matingly, “Plutonium Sphere Multiplicity Simulations with MCNP-PoliMi,” 2009 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, Orlando, FL, USA, Oct. 25 – 31, 2009, on CD-ROM.
  85. A. Maestas, A. Poitrasson-Rivière, S. D. Clarke, M. Flaska, S. A. Pozzi, A. Gueorguiev, G. Pausch, C-M. Herbach, M. Ohmes, and J. Stein, “Monte Carlo Investigation of a High-Sensitivity Two-Plane Compton Camera for Long Range Detection of SNM,” 2009 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, Orlando, FL, USA, Oct. 25 – 31, 2009, on CD-ROM.
  86. D. Clarke, S. A. Pozzi, M. Flaska, and P. Peerani, “Simulation and Measurements of Plutonium Oxide Powder Standards,” Proceedings of the Institute of Nuclear Materials Management 50th Annual Meeting, Tucson, AZ USA, Jul. 12 – 16, 2009, on CD-ROM.
  87. C. Miller, B. Dennis*, S. D. Clarke, S. A. Pozzi, and J. K. Mattingly, “Monte Carlo Simulations of Multiplicity Measurements of the Plutonium BeRP Ball,” Proceedings of the Institute of Nuclear Materials Management 50th Annual Meeting, Tucson, AZ USA, Jul. 12 – 16, 2009, on CD-ROM.
  88. C. Miller, S. D. Clarke, M. Flaska, S. A. Pozzi, and P. Peerani, “Development of a Post-Processing Methodology for Monte Carlo Multiplicity Analysis,” Proceedings of the Institute of Nuclear Materials Management 50th Annual Meeting, Tucson, AZ USA, Jul. 12 – 16, 2009, on CD-ROM.
  89. M. Bourne*, S. D. Clarke, S. A. Pozzi, and A. Gueorguiev, “Optimization of a Compton Suppression Detector System Using CdZnTe and Liquid Scintillators,” Proceedings of the Institute of Nuclear Materials Management 50th Annual Meeting, Tucson, AZ USA, Jul. 12 – 16, 2009, on CD-ROM.
  90. A. Maestas, P. R. Stanfield*, S. D. Clarke, M. Flaska, S. A. Pozzi, A. Gueorguiev, G. Pausch, C-M. Herbach, M. Ohmes, and J. Stein, “Monte Carlo Optimization of a Two-Plane Compton Imager,” Proceedings of the Institute of Nuclear Materials Management 50th Annual Meeting, Tucson, AZ USA, Jul. 12 – 16, 2009, on CD-ROM.
  91. C. Miller, S. D. Clarke, M. Flaska, S. A. Pozzi and P. Peerani, “Monte Carlo Simulation of the Full Multiplicity Distributions Measured with a Passive Counter,” Transactions of the International Conference on Mathematics, Computational Methods & Reactor Physics (M&C 2009), Saratoga Springs, NY, USA, May 3 – 7, 2009, vol. 3, pp. 1476 – 1485.
  92. M. Bourne*, S. D. Clarke, S. A. Pozzi, and A. Gueorguiev, “Optimization of a Compton Suppression Detector System Using CdZnTe and Liquid Scintillators,” Transactions of the International Conference on Mathematics, Computational Methods & Reactor Physics (M&C 2009), Saratoga Springs, NY, USA, May 3 – 7, 2009, vol. 3, 1486 – 1493.
  93. D. Clarke, M. Flaska, S. A. Pozzi, and P. Peerani, “Cross-Correlation and Multiplicity Simulations and Measurements of Plutonium Oxide Powder,” 2008 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, Dresden, Germany, Oct. 19 – 25, 2008, on CD-ROM.
  94. M. Bourne*, S. D. Clarke, S. A. Pozzi, and A. Gueorguiev, “Optimization of a Compton Suppression Detector System Using CdZnTe and Liquid Scintillators,” 2008 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, Dresden, Germany, Oct. 19 – 25, 2008, on CD-ROM.
  95. D. Clarke, S. A. Pozzi, E. Padovani, and T. J. Downar, “Monte Carlo Perturbation Analysis of Photonuclear Cross-Section Data,” Transactions of the International Conference on Reactor Physics 2008 (PHYSOR08), Interlaken, Switzerland, Sept. 14 – 19, 2008, on CD-ROM.
  96. D. Clarke, S. A. Pozzi, S. J. Thompson, and A. W. Hunt, “Simulation of Prompt Neutron Spectra Following the Bremsstrahlung Interrogation of Depleted Uranium,” Proceedings of the Institute of Nuclear Materials Management 49th Annual Meeting, Nashville, TN USA, Jul. 13 – 17, 2008, on CD-ROM.
  97. D. Clarke, S. A. Pozzi, S. J. Thompson, and A. W. Hunt, “Monte Carlo Assessment of Active Photon Interrogation Systems for the Detection of Fissionable Material,” Transactions of the Symposium on Radiation Measurements and Applications (SORMA08), Berkeley, CA, USA, Jun. 2 – 5, 2008.
  98. A. Pozzi, S. D. Clarke, and M. Flaska, “Photofission Signatures in the Prompt Regime for Special Nuclear Material Identification,” Transactions of the Symposium on Radiation Measurements and Applications (SORMA08), Berkeley, CA, USA, Jun. 2 – 5, 2008.
  99. J. Cunningham, S. A. Pozzi, S. D. Clarke, S. Banerjee, R. Vane, J. Beene, D. Shultz, and D. Umstadter, “High-Energy Laser Accelerated Electron Beams for Long-Range Interrogation,” Transactions of the 20th International Conference on the Application of Accelerators in Research & Industry, Fort Worth, TX, USA, Aug. 10 – 15, 2008.
  100. Clarke, M. Flaska, S. Pozzi, and T. Downar, “Sensitivity of Monte Carlo Calculations to Available Photonuclear Cross-Section Data,” Proceedings of the INMM Central Chapter Meeting, Oak Ridge, TN USA, Nov. 6 – 7, 2008, on CD-ROM.
  101. Blackburn, J. L. Jones, S. Watson, J. Johnson, C. Moss, L. Waters, K. Ianakiev, C. McCluskey, J. Mihalczo, P. Hausladen, S. Pozzi, M. Flaska, S. Clarke, A. Hunt, D. Wells, and F. Harmon, “Detection of Special Nuclear Material by Means of Promptly Emitted Radiation Following Photonuclear Stimulation,” 2007 IEEE Nuclear Science Symposium and Medical Imaging Conference Record, Honolulu, HI USA, Oct. 28 – Nov. 5, 2007, on CD-ROM.
  102. Blackburn, J. Jones, J. Johnson, P. Hausladen, J. Mihalczo, S. Pozzi, S. Clarke, C. Moss, C. McCluskey, K. Ianakiev, L. Waters, and A. Hunt, “Utilization of Prompt Emissions for the Inspection of Special Nuclear Material,” Proceedings of the Eighth International Topical Meeting on Nuclear Applications and Utilization of Accelerators (AccApp’07), Pocatello, ID, USA, Jul. 30 – Aug. 2, 2007.
  103. Clarke, S. Pozzi, E. Padovani, and T. Downar, “Multiplicity Analysis during Photon Interrogation of Fissionable Material,” Proceedings of the Institute of Nuclear Materials Management 48th Annual Meeting, Tucson, AZ USA, Jul. 8 – 12, 2007, on CD-ROM.
  104. Clarke, E. Padovani, T. Downar and S. Pozzi, “Evaluation of Accidental Coincidences in Active Interrogation of Special Nuclear Material,” Transactions of the American Nuclear Society Annual Meeting, Boston, MA USA, Jun. 24 – 28, 2007, vol. 96, pp. 874 – 875.
  105. Clarke, T. Downar, S. Pozzi, M. Flaska, J. Mihalczo, E. Padovani and A. Hunt, “Photonuclear Physics Models, Simulations and Experiments for Nuclear Nonproliferation,” Transactions of the Joint International Topical Meeting on Mathematics & Computation and Supercomputing in Nuclear Applications (M&C+SNA’07), Monterey, CA, USA, Apr. 15 – 19, 2007.
  106. Clarke, S. Pozzi, E. Padovani, and T. Downar, “Monte Carlo Modeling of Photon Interrogation Methods for Characterization of Special Nuclear Material,” Transactions of the American Nuclear Society’s Topical Meeting on Reactor Physics, Vancouver, B.C., Canada, Sept. 10 – 14, 2006, on CD-ROM.
  107. Clarke, S. Pozzi, E. Padovani, and T. Downar, “Simulation and Analysis of Correlated Neutron and Gamma-ray Detection from Photofission,” Proceedings of the Institute of Nuclear Materials Management 47th Annual Meeting, Nashville, TN USA, Jul. 16 – 20, 2006, on CD-ROM.
  108. Clarke, R. Gao, Y. Xu, L. Tsoukalas, and T. Downar, “Artificial Neural Networks for Nuclear Source Characterization,” Transactions of the American Nuclear Society Winter Meeting, Washington, D.C., USA, Nov. 13 – 17, 2005, vol. 93, pp. 327 – 328.
  109. Clarke and T. Jevremovic, “Monte Carlo Simulation of Low Energy X-ray Microbeam Interactions with a Single Cell,” Transactions of the American Nuclear Society Winter Meeting, Washington, D.C., USA, Nov. 13 – 17, 2005, vol. 93, pp. 797 – 798.
  110. Clarke and T. Downar, “Artificial Neural Networks for Nuclear Source Characterization,” Proceedings of the Institute of Nuclear Materials Management Central Chapter Meeting, Oak Ridge, TN USA, on CD-ROM.
  111. Clarke and T. Jevremovic, “Monte Carlo Simulation of Low Energy X-ray Interaction with a Single Cell,” Transactions of the American Nuclear Society Student Conference, Columbus, OH, USA, Apr. 14 – 16, 2005, on CD-ROM.
  112. Davis*, S. Clarke, and T. Jevremovic, “Cell Irradiation with Low-Energy Neutrons,” Transactions of the American Nuclear Society Student Conference, Columbus, OH, USA, Apr. 14 – 16, 2005, on CD-ROM.
  113. Eldridge*, S. Clarke, and T. Jevremovic, “Study of Low-Energy X-Ray Microbeam Depth-Dose Profile,” Transactions of the American Nuclear Society Student Conference, Columbus, OH, USA, Apr. 14 – 16, 2005, on CD-ROM.
  114. Clarke and T. Jevremovic, “Monte Carlo Simulation of Microbeam Photon Irradiation of a Single Cell,” Transactions of the 5th International Conference of the Yugoslav Nuclear Society (YUNSC 2004), Belgrade, Yugoslavia, Jun. 6 – 10, 2004.
  115. Clarke, C. Anderson, T. Jevremovic, C. A. Ebbers, and I. Jovanovic, “Development of Optical Parametric Amplifier for Laser-Based Radiation Sources,” Transactions of the American Nuclear Society Winter Meeting, Washington, D.C., USA, Nov. 14 – 18, 2004, vol. 91, pp. 865 – 866..
  116. Clarke, C. Anderson and T. Jevremovic, “Optimization of Optical Parametric Amplification for Laser-Based Radiation Sources,” Transactions of the American Nuclear Society Student Conference, Madison, WI, USA, Apr. 1 – 4, 2004, on CD-ROM.
  117. Clarke, C. Cotton, J. Jenkins and D. Mundy, “Design and Analysis of the ASBWR with Metal Matrix Fuels,” Transactions of the American Nuclear Society Winter Meeting, New Orleans, LA, USA, Nov. 16 – 20, 2003.