Publications – Dr. Sara A. Pozzi

Journal Articles

1. S. A. Pozzi, R. B. Oberer, L. G. Chiang, J. K. Mattingly, and J. T. Mihalczo, �Higher-order statistics from NMIS to measure neutron and gamma ray cross talk in plastic scintillators,� Nuclear Instruments and Methods in Physics Research Section A 481/1-3 pp. 739-748, 2002.

2. S. A. Pozzi and F. J. Segovia, �252Cf-Source-Correlated Transmission Measurements and Genetic Programming for Nuclear Safeguards,� Nuclear Instruments and Methods in Physics Research Section A 491/1-2 pp. 326-341, 2002.

3. M. Marseguerra, E. Padovani, and S. A. Pozzi, �Use of the MCNP-PoliMi Code for Time-Correlation Safeguards Measurements,� Progress in Nuclear Energy 43/1-4 pp. 305-311, 2003.

4. J.D. Edwards, J. K. Mattingly, and S. A. Pozzi, �Analysis of Neutron Reflection in Correlation Measurements,� Journal of Nuclear Materials Management, XXXII, 1, Fall 2003.

5. S. A. Pozzi, E. Padovani, and M. Marseguerra, �MCNP-PoliMi: A Monte Carlo Code for Correlation Measurements,� Nuclear Instruments and Methods in Physics Research Section A, 513/3 pp. 550-558, 2003.

6. M. Marseguerra, E. Padovani, S. A. Pozzi, and M. Da Ros, �Phenomenological Simulation of Detector Response for Safeguards Experiments,� Nuclear Instruments and Methods Section B, 213 pp. 289-293, 2004.

7. S. A. Pozzi, J. A. Mullens, and J. T. Mihalczo, �Analysis of Neutron and Photon Detection Position for the Calibration of Plastic (BC-420) and Liquid (BC-501) Scintillators,� Nuclear Instruments and Methods in Physics Research Section A, 524/1-3 pp. 92-101, 2004.

8. S. A. Pozzi, J. S. Neal, R. B. Oberer, and J. T. Mihalczo, �Monte Carlo Analysis of Neutron Detection with a BaF2 Scintillation Detector,� IEEE Transactions on Nuclear Science, volume 51, number 3, June 2004.

9. M. Monville, E. Padovani, S. A. Pozzi, and J. T. Mihalczo, �Towards the Simulation of Photofission for Nuclear Material Identification,� Journal of Nuclear Materials Management XXXIV, 1, pp. 38-47, 2005.

10. J. A. Mullens, J. S. Neal, P.A. Hausladen, S. A. Pozzi, and J. T. Mihalczo, �Fast Coincidence Counting with Active Inspection Systems,� Nuclear Instruments and Methods in Physics Research B, vol. 241, p. 804-809, 2005.

11. S. A. Pozzi, R. B. Oberer, and J. S. Neal, �Analysis of the Response of Capture-Gated Organic Scintillators,� IEEE Transactions on Nuclear Science vol. 52 n. 6, 2005.

12. I. P�zsit and S. A. Pozzi, �Calculation of Gamma Multiplicities in a Multiplying Sample for the Assay of Nuclear Materials,� Nuclear Instruments and Methods in Physics Research Section A 555/1-2, pp 340-346, 2005.

13. S. A. Pozzi and I. P�zsit, �Neutron Slowing Down in a Detector with Absorption,� Nuclear Science and Engineering, vol. 154, p. 1-7, 2006.

14. E. Padovani, P. Peerani, M. Da Ros, and S. A. Pozzi, �Simulation of Correlated Counts from an Am-Li Source,� Nuclear Instruments and Methods in Physics Research Section A, 557/2, pp. 599-606, 2006.

15. S. A. Pozzi and I. P�zsit, �The Statistics of the Number of Neutron Collisions Prior to Absorption,� Nuclear Science and Engineering vol. 153 p. 60-68, 2006.

16. S. Avdic, S. A. Pozzi, and V. Protopopescu, �Detector Response Unfolding Using Artificial Neural Networks�, Nuclear Instruments and Methods in Physics Research Section A, 565, pp. 742-752, 2006.

17. A. Enqvist, I. P�zsit, and S. A. Pozzi, �The Number Distribution of Neutrons and Gamma Photons Generated in a Multiplying Sample,� Nuclear Instruments and Methods in Physics Section A, 566, pp. 598-608, 2006.

18. A. Enqvist, I. P�zsit, and S. A. Pozzi, �The Number Distribution and Factorial Moments of Neutrons and Gamma Photons Generated in a Multiplying Sample,� Journal of Nuclear Materials Management, XXXV, 1, pp. 29-35, 2006.

19. E. Padovani, M. Monville, and S. A. Pozzi, �Monte Carlo Modeling of Delayed Neutrons from Photofission,� Nuclear Science and Engineering, 155, pp. 131-142, 2007.

20. M. Flaska and S. A. Pozzi, �Identification of Neutron Sources with the Liquid Scintillator BC-501A Using a Digital PSD Method,� Nuclear Instruments and Methods in Physics Section A, 577, p. 654-663, 2007.

21. L.F. Miller, J. Preston, S. A. Pozzi, M. Flaska, and J. S. Neal, �Digital Pulse Shape Discrimination,� Radiation Protection Dosimetry (2007) pp. 1-3.

22. S. A. Pozzi, M. Flaska, A. Enqvist, and I. P�zsit, �Monte Carlo and Analytical Models of Neutron Detection with Organic Scintillators,� Nuclear Instruments and Methods in Physics Research A 582 (2007) 629�637.

23. S. A. Pozzi, �Monte Carlo Modelling for the Characterization of Nuclear Materials� accepted for publication on International Journal of Nuclear Energy Science and Technology.

24. E. Padovani, S. Clarke, and S. A. Pozzi, �Monte Carlo Simulation of Prompt Correlated Counts from Photon Interrogation for the Detection of Concealed Nuclear Materials,� Nuclear Instruments and Methods in Physics Section A, in press.

Technical Reports

1. S. A. Pozzi and F. J. Segovia, �Application of Stochastic and Artificial Intelligence Methods for Nuclear Material Identification,� Oak Ridge National Laboratory, ORNL/TM-1999/320 (1999).

2. S. A. Pozzi, �Technical Notes: An Apparatus for Fast Neutron and Photon Time-Correlation Measurements,� CESNEF-FRN-00.01 Polytechnic of Milan, Department of Nuclear Engineering, 2000.

3. S. A. Pozzi and J. T. Mihalczo, �Preliminary Comparison of Cf-252 and the Associated Particle Sealed Tube Neutron Generator as Interrogation Sources for Uranium Metal Castings,� Oak Ridge Y-12 Plant, Y/LB-16,060 (2000).

4. L. G. Chiang, R. B. Oberer, and S. A. Pozzi, �Method to Correlate CFD Discriminator Level and Energy Deposition by Neutrons and Photons in a Fast Plastic Scintillating Detector,� Oak Ridge National Laboratory, ORNL/TM-2000/193 (2000).

5. S. A. Pozzi, R. B. Oberer, and L. G. Chiang, �The Effect of Neutron and Gamma Ray Cross-Talk Between Plastic Scintillating Detectors,� Oak Ridge National Laboratory, ORNL/TM-2000/295 (2000).

6. S. A. Pozzi, �Determination of the Response of the Anti-Compton Detection System for Various Neutron Sources and Small Pu-Samples,� Technical Annex for the Contract n. 18226-2001, JRC Ispra.

7. S. A. Pozzi, �Preliminary MCNP-POLIMI Simulations for the Evaluation of the “Floor Effect”: Comparison of APSTNG and Cf Sources,� Oak Ridge National Laboratory, ORNL/TM-2002/18 (2002).

8. S. A. Pozzi, J. T. Mihalczo, J. K. Mattingly, and J. S. Neal, �Monte Carlo Evaluation of the Interactions between Adjacent Liquid Scintillating Cells,� Oak Ridge Y-12 Plant, Y/LB-16,136 (2002).

9. S. A. Pozzi and J. T. Mihalczo, �Monte Carlo Evaluation of the Improvements in Nuclear Materials Identification System (NMIS) Resulting From a DT Neutron Generator,� Oak Ridge Y-12 Plant, Y/LB-16,126 (2002).

10. S. A. Pozzi, E. Padovani, and J. T. Mihalczo, �MCNP-PoliMi Evaluation of Time Dependent Coincidence between Detectors for Fissile Metal vs. Oxide Determination, Oak Ridge Y-12 Plant, Y/LB-16,131 (2002).

11. S. A. Pozzi, J. K. Mattingly, J. T. Mihalczo, and E. Padovani, �Validation of the Monte Carlo code MCNP-PoliMi. Part I: Plutonium,� Oak Ridge Y-12 Plant, Y/LB-16,138 (2002).

12. E. Padovani, S. A. Pozzi, J. K. Mattingly, and J. T. Mihalczo, �Validation of the Monte Carlo code MCNP-PoliMi. Part II: Uranium,� Oak Ridge Y-12 Plant, Y/LB-16,143 (2002).

13. E. Padovani and S. A. Pozzi, �MCNP-PoliMi ver. 1.0. User�s Manual,� CESNEF-021125 Library of Nucl. Eng. Dept., Polytechnic of Milan, Italy, Nov. 2002.

14. J. S. Neal, S. A. Pozzi, J.D. Edwards, and J. T. Mihalczo, �Measurements of Water and B4C Content Rackable Can Storage Boxes for HEU Storage at the HEUMF at the Y-12 National Security Complex,� Oak Ridge National Laboratory, ORNL/TM-2002/254 (2002).

15. S. A. Pozzi, J. A. Mullens, and J. T. Mihalczo, �Analysis of Neutron and Photon Detection Position for the Calibration of Plastic (BC-420) and Liquid (BC-501) Scintillators,� Oak Ridge National Laboratory, ORNL/TM-2003/168 (2003).

16. S. A. Pozzi and J. T. Mihalczo, �Characterization of Large Liquid Scintillating Detectors,� ORNL/TM/170 (2003).

17. S. A. Pozzi, J.A. Mullens, and J. T. Mihalczo, �Calibration of Small Plastic Scintillators for Imaging Applications,� ORNL/TM-2004/298.

18. S. A. Pozzi, �Recent Developments in the MCNP-PoliMi Postprocessing Code,� ORNL/TM-2004/299.

19. L. Cartegni and S. A. Pozzi, �Simulation of the Neutron Response Matrix for a Liquid Scintillator and Spectrum Unfolding,� ORNL TM 2004/315.

20. S. A. Pozzi and S. Avdic, �Neutron and Gamma Ray Pulse Shape Data Acquisition from a Cf-252 Source,� ORNL TM 2006/62.

21. S. Clarke, S. A. Pozzi, E. Padovani, T. J. Downar, and J. T. Mihalczo, �Comparison of Monte Carlo Simulation Techniques for Photon Interrogation of Highly Enriched Uranium� ORNL TM 2006/116.

22. M. Flaska and S. A. Pozzi, �Optimization of an Offline Pulse Shape Discrimination Technique for the Liquid Scintillator BC-501A,� ORNL TM 2006/120.

23. S. Clarke, S. A. Pozzi, E. Padovani, T. J. Downar, P. Hausladen,
J. T. Mihalczo, and A. W. Hunt, �Monte Carlo Simulation of Correlation Measurements of Photon Interrogation of Nuclear Material,� ORNL TM 2006/160.

Conferences Proceedings Papers

1. S. A. Pozzi and F. J. Segovia, �Evaluation of Genetic Programming and Neural Network Techniques for Nuclear Materials Identification,� Proceedings of the GECCO-2000 Genetic and Evolutionary Computation Conference, Las Vegas, Nevada, July 8-12, 2000.

2. S. A. Pozzi and F. J. Segovia, �Application of Stochastic and Artificial Intelligence Methods for Nuclear Material Identification,� Proceedings of the PHYSOR 2000 American Nuclear Society Annual Meeting, Pittsburgh, Pennsylvania, May 7-12, 2000.

3. S. A. Pozzi and F. J. Segovia, �Application of Stochastic and Artificial Intelligence Methods for Nuclear Material Identification,� Proceedings of the Institute of Nuclear Materials Management 41st Annual Meeting, New Orleans, Louisiana, July 16-20, 2000.

4. L. G. Chiang, M. Marseguerra, R. B. Oberer, S. A. Pozzi, and S. Ramoni, �Utilization of Neural Networks and Genetic Algorithms to Determine Energy-Threshold Calibration Curves in a Safeguard Experiment with Fast Neutrons and Gammas,� Proceedings of the International Meeting on Reactor Noise (IMORN) October 2000 Athens, Greece.

5. S. A. Pozzi, R. B. Oberer, L. G. Chiang, J. Mullens, J. K. Mattingly, and J. T. Mihalczo, �Use of Nuclear Materials Identification System’s Higher Order Signatures (NMIS HOS) to Analyze Detector Interactions,� Proceedings of the Institute of Nuclear Materials Management 42nd Annual Meeting, July 12-19, 2001, Indian Wells, California, USA.

6. M. Marseguerra, E. Padovani, and S. A. Pozzi, �Simulating the Wrong Physics can Yield Correct Results,� Proceedings of the 3rd IMACS Seminar on Monte Carlo Methods MCM2001, September 10-14, 2001, Salzburg, Austria.

7. M. Marseguerra, E. Padovani, and S. A. Pozzi, �Use of the MCNP-POLIMI Code for Time-Correlation Safeguards Measurements,� Proceedings of the SMORN: Symposium on Nuclear Reactor Surveillance and Diagnostics, May 27-31, 2002, Goteborg, Sweden.

8. S. A. Pozzi, E. Padovani, J. K. Mattingly and J. T. Mihalczo, �MCNP-POLIMI Evaluation of Time Dependent Coincidence between Detectors for Fissile Metal Vs. Oxide Determination,� Proceedings of the Institute of Nuclear Materials Management 43nd Annual Meeting, June 23-27, 2002, Orlando, Florida, USA.

9. S. A. Pozzi and J. T. Mihalczo, �Monte Carlo Evaluation of the Improvements in Nuclear Materials Identification System (NMIS) Resulting from a DT Neutron Generator� Proceedings of the Institute of Nuclear Materials Management 43nd Annual Meeting, June 23-27, 2002, Orlando, Florida, USA.

10. M. Marseguerra, E. Padovani, and S. A. Pozzi, �Phenomenological Simulation of Detector Response for Safeguards Experiments,� Proceedings of the IRRMA-V, 5th International Topical Meeting on Industrial Radiation and Radioisotope Measurement Applications, Bologna, Italy, 9-14 June 2002.

11. J. K. Mattingly and S. A. Pozzi, �Analysis of Neutron Floor Reflection in NMIS Measurements,� Institute of Nuclear Materials Management, Central Region Chapter annual fall meeting, Oak Ridge, Tennessee, October 29-30, 2002.

12. S. A. Pozzi, E. Padovani, J. K. Mattingly, and J. T. Mihalczo, �MCNP-PoliMi Monte Carlo analysis for NMIS nuclear safeguards measurements,� Institute of Nuclear Materials Management, Central Region Chapter annual fall meeting, Oak Ridge, Tennessee, October 29-30, 2002.

13. J. S. Neal, S. A. Pozzi, J. D. Edwards, and J. T. Mihalczo, �Neutron Transmission Measurements of BoroBond Blocks,� Proceedings of the ANS 2003 Annual Meeting The Nuclear Technology Expansion: Unlimited Opportunities, June 1-5, 2003, San Diego, California.

14. J. S. Neal, J. T. Mihalczo, J. D. Edwards, and S. A. Pozzi, �Method for Verification of the Hydrogen and Boron Content of the RCSB for Storage of HEU at the HEUMF,� Proceedings of the ANS 2003 Annual Meeting The Nuclear Technology Expansion: Unlimited Opportunities, June 1-5, 2003, San Diego, California.

15. J. S. Neal, S. A. Pozzi, J. D. Edwards, and J. T. Mihalczo, �Neutron Counting Measurements of BoroBond� Blocks,� Proceedings of the ANS 2003 Annual Meeting The Nuclear Technology Expansion: Unlimited Opportunities, June 1-5, 2003, San Diego, California.

16. S. A. Pozzi, J. K. Mattingly, J. T. Mihalczo, and E. Padovani, �Validation of the MCNP-PoliMi Code for the Simulation of Nuclear Safeguards Experiments on Uranium and Plutonium Metal,� Proceedings of the Nuclear Mathematical and Computational Sciences: A Century in Review, a Century Anew, Gatlinburg, Tennessee, April 6-11, 2003, on CD-ROM, American Nuclear Society, LaGrange Park, IL (2003).

17. S. A. Pozzi and J. T. Mihalczo, �Use of the MCNP-PoliMi code for the Evaluation of Cross Talk Events in Large Scintillation Detectors,� Proceedings of the Institute of Nuclear Materials Management 44th Annual Meeting, July 13-17, 2003, Phoenix, Arizona.

18. S. A. Pozzi and J. T. Mihalczo, �Monte Carlo Evaluation of Passive Correlation Measurements on Containerized Plutonium Shells,� Proceedings of the Institute of Nuclear Materials Management 44th Annual Meeting, July 13-17, 2003, Phoenix, Arizona.

19. S. A. Pozzi and J. T. Mihalczo, �Monte Carlo Evaluation of the Use of a DT Generator for One-Sided Measurements on Highly Enriched Uranium Samples,� Proceedings of the Institute of Nuclear Materials Management 44th Annual Meeting, July 13-17, 2003, Phoenix, Arizona.

20. J. S. Neal, S. A. Pozzi, J. D. Edwards, and J. T. Mihalczo, �NMIS Plus Gamma Ray Spectrometry for Verification of Water and B4C Content of the Isolating Material for Storage at HEUMF,� Proceedings of the Institute of Nuclear Materials Management 44th Annual Meeting, July 13-17, 2003, Phoenix, Arizona.

21. S. A. Pozzi, E. Padovani, J. K. Mattingly, and J. T. Mihalczo, �MCNP-PoliMi Simulation of Active and Passive Measurements on Uranium and Plutonium Objects,� Proceedings of the Institute of Nuclear Materials Management 44th Annual Meeting, July 13-17, 2003, Phoenix, Arizona.

22. J. S. Neal, W. L. Bryan, J. D. Edwards, S. A. Pozzi, and J. T. Mihalczo, �Pulse Shape Discrimination for the Nuclear Materials Identification System (NMIS),� Proceedings of the Institute of Nuclear Materials Management 44th Annual Meeting, July 13-17, 2003, Phoenix, Arizona.

23. J.D. Edwards, J. K. Mattingly, and S. A. Pozzi, �Analysis of Neutron Reflection in Correlation Measurements,� Proceedings of the Institute of Nuclear Materials Management 44th Annual Meeting, July 13-17, 2003, Phoenix, Arizona.

24. S. A. Pozzi, J. S. Neal, R. B. Oberer, and J. T. Mihalczo, �Monte Carlo Analysis of Neutron Detection with a BaF2 Scintillation Detector,� Proceedings of the IEEE Nuclear Science Symposium, October 21-24, 2003, Portland, Oregon.

25. W. L. Bryan, C. L. Britton, J. T. Mihalczo, J. S. Neal, S. A. Pozzi, and Raymond W. Tucker, �Fast Neutron – Gamma Pulse Shape Discrimination of Liquid Scintillation Signals for Time Correlated Measurements,� Proceedings of the IEEE Nuclear Science Symposium, October 21-24, 2003, Portland, Oregon.

26. S. A. Pozzi, �Determination of Liquid Scintillator Response Matrix for Neutron Spectrum Unfolding,� Proceedings of the 7th International Conference on Facilities Operations � Safeguards Interface, Charleston, South Carolina, February 29 – March 4, 2004.

27. J. D. Edwards, S. A. Pozzi, and J. T. Mihalczo, �Calibration of Scintillation Detectors Using a DT Generator,� Proceedings of the 7th International Conference on Facilities Operations � Safeguards Interface, Charleston, South Carolina, February 29 – March 4, 2004.

28. J. A. Mullens, S. A. Pozzi, J. T. Mihalczo, and J. S. Neal, �Monitoring the Flow of Fissile Liquids,� Proceedings of the 7th International Conference on Facilities Operations � Safeguards Interface, Charleston, South Carolina, February 29 – March 4, 2004.

29. S. A. Pozzi, �Monte Carlo Modeling for the Characterization of Nuclear Materials�, Proceedings of the International Meeting on Reactor Noise (IMORN) 29, Budapest, Hungary, May 17-19, 2004. Invited presentation.

30. L. Cartegni and S. A. Pozzi, �Measurement and Simulation of Liquid Scintillator Neutron Response,� Proceedings of the Institute of Nuclear Materials Management 45th Annual Meeting, July 18-22, 2004, Orlando, Florida.

31. S. A. Pozzi, J. S. Neal, J. D. Edwards, P. J. McClanahan, and J. T. Mihalczo, �Analysis of Scintillator Pulse Shapes for Neutron – Gamma Ray Discrimination,� Proceedings of the Institute of Nuclear Materials Management 45th Annual Meeting, July 18-22, 2004, Orlando, Florida.

32. S. A. Pozzi and J. T. Mihalczo, �Simulation of Higher Order Statistics Measurements using MCNP-PoliMi,� Proceedings of the Institute of Nuclear Materials Management 45th Annual Meeting, July 18-22, 2004, Orlando, Florida.

33. J. A. Mullens, J. D. Edwards, and S. A. Pozzi, �Analysis of Scintillator Pulse-Height for Nuclear Materials Identification,� Proceedings of the Institute of Nuclear Materials Management 45th Annual Meeting, July 18-22, 2004, Orlando, Florida.

34. S. A. Pozzi, J. S. Neal, and J. T. Mihalczo �Fission Source Location from NMIS Third Order Time Correlation Measurements,� Proceedings of the Institute of Nuclear Materials Management 45th Annual Meeting, July 18-22, 2004, Orlando, Florida.

35. S. A. Pozzi, R. B. Oberer, and L. G. Chiang, �Monte Carlo Simulation of Measurements with an Active Well Coincidence Counter (AWCC),� Proceedings of the Institute of Nuclear Materials Management 45th Annual Meeting, July 18-22, 2004, Orlando, Florida.

36. S. A. Pozzi, R. B. Oberer, and J. S. Neal, �Analysis of the Response of Capture-Gated Organic Scintillators,� Proceedings of the 2004 IEEE Nuclear Science Symposium (NSS), October 16-22, 2004, Rome, Italy.

37. S. A. Pozzi, �MCNP-PoliMi Modeling for the Active Well Coincidence Counter,� Proceedings of the Monte Carlo 2005 Topical Meeting, April 17-21, 2005, Chattanooga, Tennessee.

38. S. A. Pozzi, I. P�zsit, J.A. Mullens, and J. T. Mihalczo, �Monte Carlo Analysis of Multiplicity Measurements for the Characterization of Fissile Materials,� INMM Central Chapter Meeting, November 17-18, 2004, Oak Ridge, Tennessee.

39. M. Monville, E. Padovani, S. A. Pozzi, and J. T. Mihalczo, �Towards the Simulation of Photofission for Nuclear Material Identification,� INMM Central Chapter Meeting, November 17-18, 2004, Oak Ridge, Tennessee.

40. L. Cartegni and S. A. Pozzi, �Simulation of the Neutron Response Matrix for a Liquid Scintillator and Spectrum Unfolding,� INMM Central Chapter Meeting, November 17-18, 2004, Oak Ridge, Tennessee.

41. J. A. Mullens, J. S. Neal, S. A. Pozzi, and J. T. Mihalczo, �Tomographic Image and Detector Coincidence Measurements for HEU Object Inspection,� INMM Central Chapter Meeting, November 17-18, 2004, Oak Ridge, Tennessee.

42. S. A. Pozzi, J. T. Mihalczo, P. Peerani, J. Loeschner, L. Cartegni, J. A. Mullens, and P. Hausladen, �Passive Measurements on Plutonium Oxide Samples,� Proceedings of the Institute of Nuclear Materials Management, 46 Annual Meeting, July 10-14, 2005, Phoenix, Arizona.

43. S. A. Pozzi and I. P�zsit, �Analysis of Neutron Slowing Down in a Capture-gated Detector,� Proceedings of the Institute of Nuclear Materials Management, 46 Annual Meeting, July 10-14, 2005, Phoenix, Arizona.

44. I. P�zsit and S. A. Pozzi, �Analytical Formulation of Coincidence and Multiplicity Measurements for the Characterization of Fissile Materials,� Proceedings of the Institute of Nuclear Materials Management, 46 Annual Meeting, July 10-14, 2005, Phoenix, Arizona.

45. M. Monville, E. Padovani, S. A. Pozzi, and J. T. Mihalczo, �Simulation of the Photon Interrogation of Nuclear Materials,� Proceedings of the Institute of Nuclear Materials Management, 46 Annual Meeting, July 10-14, 2005, Phoenix, Arizona.

46. S. A. Pozzi, E. Padovani, and M. Monville, �Nuclear Materials Identification by Photon Interrogation,� Proceedings of the Mathematics and Computations 2005, September 12-15, 2005, Avignon, France. Invited presentation.

47. I. P�zsit and S. A. Pozzi, �Identification of Fissile Isotopes by Multiplicity Measurements of Neutrons and Gammas,� International Symposium on Isotope Science and Engineering from Basics to Applications, September 21-23, 2005, Nagoya, Japan.

48. N. Chaykin, E. Padovani, and S. A. Pozzi, �The Effect of (alpha, n) Reactions on Correlation Measurements of Plutonium Oxide Samples,� INMM Central Chapter Meeting, October 11-12, 2005, Oak Ridge, TN.

49. M. Monville, E. Padovani, and S. A. Pozzi, �Evaluation of a Photon Interrogation System for the Detection of Shielded Highly Enriched Uranium,� INMM Central Chapter Meeting, October 11-12, 2005, Oak Ridge, TN.

50. M. Monville, J. D. Lamb, G. Arbanas, and S. A. Pozzi, �Regression Analysis for a Bottom-Up Approach to Analyzing Delayed Fission Gamma Yields,� INMM Central Chapter Meeting, October 11-12, 2005, Oak Ridge, TN.

51. L. Cartegni and S. A. Pozzi, �MCNP-PoliMi Post-Processing Parameters for the Simulation of Scintillator Detectors Response,� INMM Central Chapter Meeting, October 11-12, 2005, Oak Ridge, TN.

52. M. Crawford, S. A. Pozzi, J. A. Mullens, and L. Cartegni, �Neutron and Gamma Ray Multiplet Analysis for the Determination of Plutonium Mass,� INMM Central Chapter Meeting, October 11-12, 2005, Oak Ridge, TN.

53. Z. W. Bell, S. A. Pozzi, and E. Padovani, �Monte Carlo Analysis of Energy Deposition in a Cryogenic Neutron Detector,� Proceedings of the IEEE Nuclear Science Symposium, October 23-29, 2005, Puerto Rico.

54. Y. Xu, T. J. Downar, S. Avdic, V. Protopopescu, and S. A. Pozzi, �Techniques for Neutron Spectrum Unfolding from Pulse Height Distributions Measured with Liquid Scintillators,� Proceedings of the Institute of Nuclear Materials Management Annual Meeting, July 16-20, 2006, Nashville, TN.

55. A. Enqvist, I. P�zsit, and S. A. Pozzi, �The Number Distribution of Neutrons and Gammas Generated in a Multiplying Sample,� Proceedings of the Institute of Nuclear Materials Management Annual Meeting, July 16-20, 2006, Nashville, TN.

56. S. A. Pozzi and I. P�zsit, �Event-Resolved Analysis of Neutron Detection by Organic Scintillators: Simulation and Analytical Solution,� Proceedings of the Institute of Nuclear Materials Management Annual Meeting, July 16-20, 2006, Nashville, TN.

57. S. Clarke, S. A. Pozzi, E. Padovani, and T. J. Downar, �Simulation and Analysis of Correlated Neutron and Gamma-ray Detection from Photofission,� Proceedings of the Institute of Nuclear Materials Management Annual Meeting, July 16-20, 2006, Nashville, TN.

58. M. Flaska and S. A. Pozzi, “Offline Pulse Shape Discrimination Algorithms for Neutron Spectrum Unfolding,” Proceedings of the IEEE Nuclear Science Symposium and Medical Imaging Conference, October 29 – November 4, 2006, San Diego, CA.

59. B. W. Blackburn, J. L. Jones, S. M. Watson, J. T. Johnson, C. E.Moss, L. Waters, J. T.Mihalzco, S. A. Pozzi, P. Hausladen, M. Flaska, A. W. Hunt, F.J. Harmon, �Actively-induced, Prompt Radiation Utilization in Nonproliferation Applications,� Proceedings of the IEEE Nuclear Science Symposium and Medical Imaging Conference, October 29 – November 4, 2006, San Diego, CA.

60. J. L. Jones, B. W. Blackburn, S. M. Watson, J. T. Johnson, C. E.Moss, L. Waters, J.T.Mihalzco, S. A. Pozzi, P. Hausladen, M. Flaska, A. W. Hunt, F.J. Harmon, �Status of the Pulsed Photonuclear Assessment (PPA) Inspection System,� Proceedings of the IEEE Nuclear Science Symposium and Medical Imaging Conference, October 29 – November 4, 2006, San Diego, CA.

61. S. Clarke, S. A. Pozzi, E. Padovani, and T. J. Downar, �Monte Carlo Modeling of Photon Interrogation Methods for Characterization of Special Nuclear Material,� Proceedings of the PHYSOR 2006, Vancouver, BC, Canada.

62. A. Enqvist, I. P�zsit, and S. A. Pozzi, �The Number Distribution of Neutrons and Gammas Emitted from a Multiplying Sample,� Proceedings of the PHYSOR 2006, Vancouver, BC, Canada.

63. S. A. Pozzi and K. Bekar, �Analysis of Time Correlation Measurements with the Active Well Coincidence Counter,� IAEA Symposium on International Safeguards: Addressing Verification Challenges, October 16 � 20, 2006, Vienna, Austria.

64. S. A. Pozzi and I. P�zsit, �Monte Carlo Analysis of the Statistics of Neutron Detection by Organic Scintillators,� IAEA Symposium on International Safeguards: Addressing Verification Challenges, October 16 � 20, 2006, Vienna, Austria.

65. A. Enqvist, I. P�zsit, and S. A. Pozzi, �The Number Distribution of Neutrons and Gammas Generated in a Multiplying Sample,� IAEA Symposium on International Safeguards: Addressing Verification Challenges, October 16 � 20, 2006, Vienna, Austria.

66. S. Clarke, S. A. Pozzi, E. Padovani, T. J. Downar, A. Hunt, and J. T. Mihalczo, �Analysis of Photon Interrogation of Nuclear Materials for Nonproliferation Applications,� Imaging and Neutrons, Oak Ridge, TN, October 2006.

67. S. Clarke, T. J. Downar, S. A. Pozzi, M. Flaska, J. T. Mihalczo, E. Padovani, and A. Hunt, �Photonuclear Physics Models, Simulations, and Experiments for Nuclear Nonproliferation,� Joint International Topical Meeting on Mathematics & Computation and Supercomputing in Nuclear Applications (M&C+SNA 2007) Monterey, California, April 15-19, 2007.

68. S. A. Pozzi, M. Flaska, I. P�zsit and A. Enqvist, �Monte Carlo Models of Neutron Detection with Organic Scintillators,� Joint International Topical Meeting on Mathematics & Computation and Supercomputing in Nuclear Applications (M&C+SNA 2007) Monterey, California, April 15-19, 2007.

69. M. Flaska and S. A. Pozzi, �Pulse-Shape Discrimination for Identification of Neutron Sources using the BC-501A Liquid Scintillator,� Joint International Topical Meeting on Mathematics & Computation and Supercomputing in Nuclear Applications (M&C+SNA 2007) Monterey, California, April 15-19, 2007.

70. A. Enqvist, I. P�zsit, and S. A. Pozzi, �Calculation of the Pulse Height Distribution Induced by Fast Neutrons in a Scintillation Detector,� Joint International Topical Meeting on Mathematics & Computation and Supercomputing in Nuclear Applications (M&C+SNA 2007) Monterey, California, April 15-19, 2007.

71. A. Enqvist, I. P�zsit, and S. A. Pozzi, �Analytical and Numerical Modelling of the Detection Statistics of Emission from a Fissile Sample with Absorption,� Joint International Topical Meeting on Mathematics & Computation and Supercomputing in Nuclear Applications (M&C+SNA 2007) Monterey, California, April 15-19, 2007.

72. Y. Xu, T. J. Downar, M. Flaska, S. A. Pozzi, and V. Protopopescu, �Sequential Least Square Method for Neutron Spectrum Unfolding from Pulse-Height Distributions Measured with Liquid Scintillators�, Joint International Topical Meeting on Mathematics & Computation and Supercomputing in Nuclear Applications (M&C+SNA 2007) Monterey, California, April 15-19, 2007.

73. I. P�zsit, L. Pal, A. Enqvist, and S. A. Pozzi, �The Joint Distribution of Detected Neutrons and Gamma Photons from Fissile Samples and its Application in Nuclear Safeguards,� SPIE Fluctuations and Noise, La Pietra Conference Center, Florence, Italy, May 20-24, 2007.

74. A. Enqvist, S. A. Pozzi, and I. P�zsit, �Analytical and Numerical Modelling of the Detection Statistics from a Fissile Sample,� 29th ESARDA Annual Meeting, Aix en Provence, France, May 22�24, 2007.

75. S. D. Clarke, E. Padovani, T. J. Downar, and S. A. Pozzi, �Evaluation of Accidental Coincidences in Active Interrogation of Special Nuclear Material,� American Nuclear Society Annual Meeting, Boston, Massachusetts, June 24-28, 2007.

76. M. Flaska, S. A. Pozzi, Y. Xu, T. J. Downar, �Accurate Identification of Neutron Sources Using the Liquid Scintillator BC-501A,� American Nuclear Society Annual Meeting, Boston, Massachusetts, June 24-28, 2007.

77. S. A. Pozzi, A. Enqvist, and I. P�zsit, �Neutron and Photon Multiplicities for Nuclear Material Detection and Identification,� American Nuclear Society Annual Meeting, Boston, Massachusetts, June 24-28, 2007.

78. A. Enqvist, I. Pazsit, and S. A. Pozzi, �The Detection Statistics of Neutrons and Photons Emitted from a Fissile Sample,� Institute of Nuclear Materials Management Annual Meeting, Tucson, Arizona, July 8-12, 2007.

79. M. Flaska and S. A. Pozzi, �Identification of Radioactive Materials by Analysis of Simulations and Measurements of Cross-Correlation Functions,� Institute of Nuclear Materials Management Annual Meeting, Tucson, Arizona, July 8-12, 2007.

80. S. D. Clarke, S. A. Pozzi, E. Padovani, and T. J. Downar, �Multiplicity Analysis during Photon Interrogation of Fissionable Material,� Institute of Nuclear Materials Management Annual Meeting, July 8-12, 2007, Tucson, Arizona.

81. B. 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, Eighth International Topical Meeting on Nuclear Applications and Utilization of Accelerators (AccApp�07), July 30 � August 2, 2007, Pocatello, ID.

82. S. Clarke, S. Pozzi, E. Padovani, T. Downar, S. Thompson, M. Kinlaw, A. Hunt, B. Blackburn, and J. Jones (2007). Application of MCNP-PoliMi to Photon Interrogation of Nuclear Material. To be presented at the IEEE Nuclear Science Symposium and Medical Imaging Conference, October 28 � November 5, 2007, Honolulu, HI.

83. B. 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 (2007). Detection of Special Nuclear Material by Means of Promptly Emitted Radiation Following Photonuclear Stimulation. To be presented at the IEEE Nuclear Science Symposium and Medical Imaging Conference, October 28� November 5, 2007, Honolulu, HI.

Other Publications

1. S. A. Pozzi, �Neutron Spectrum Unfolding in Liquid Scintillators,� Radiation Detection Technologies Program: R&D Portfolio, DOE/NNSA, 2004.