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Jason Hayward

Jason P. Hayward

Associate Professor and UCOR Fellow


Research

Radiation instrumentation, especially for nonproliferation technologies and imaging.


Education

PhD, Nuclear Engineering and Radiological Sciences, University of Michigan, Ann Arbor, MI, 2008

  • Dissertation: “Charge loss correction and inter-strip interpolation in a high-purity germanium double-sided strip detector”
  • Chair: Professor David K. Wehe
  • Committee: Emeritus Professor Glenn Knoll, Emeritus Professor Leslie Rodgers, Professor Zhong He

MSE, Nuclear Engineering and Radiological Sciences, University of Michigan, Ann Arbor, MI, 2004

BS, Physics and Mathematics, Valparaiso University, Valparaiso, IN, 1999


Professional Experience

2014-present    Associate Professor of Nuclear Engineering (tenured), UCOR Fellow, University of Tennessee, Knoxville, TN

2008-2014    Assistant Professor of Nuclear Engineering, University of Tennessee, Knoxville, TN

2008-present    Joint Faculty Appointment, Nuclear Materials Detection & Characterization group, Nuclear Security and Isotope Technology Division, Oak Ridge National Lab, Oak Ridge, TN

2012-present    Center for Interdisciplinary Research and Graduate Education (CIRE) Joint Faculty, University of Tennessee, Knoxville, TN


Awards and Recognitions

2016    UT College of Engineering Professional Promise in Research Award
2014    American Society of Engineering Education (ASEE) ‘Faculty Under Forty’ Highlight
2014    University of Tennessee Citation for Professional Promise in Research and Creative Achievement
2014    UT College of Engineering Professional Promise in Research Award
2013    DOE Science CAREER Awardee (61 awards selected out of 770 university and national lab-based applicants)
2013    UT Nuclear Engineering Outstanding Researcher Award


Publications

Z. Liu, S. Chatzidakis, J.M. Scaglione, C. Liao, H. Yang, J.P. Hayward, “Muon Tracing and Image Reconstruction Algorithms for Cosmic Ray Muon Computed Tomography,” IEEE Transactions in Image Processing, Vol. 28, 2019, 426-435, Available: https://doi.org/10.1109/TIP.2018.2869667.

M.C. Tweardy, S. McConchie, J.P. Hayward, “Quantifying the determinants of leakage multiplication for large uranium objects using Monte Carlo simulations,” Nuclear Instruments and Methods in Physics Research A, 2018, Available: https://doi.org/10.1016/j.nima.2018.11.143

M.E. Moore, J. Lousteau, P. Trtik, H.Z. Bilheux, D. Pugliese, D. Milanese, A.T. Simone, G. Brambilla, J.P. Hayward, “Fabrication and experimental evaluation of microstructured 6Li silicate fiber arrays for high spatial resolution neutron imaging,” Nuclear Instruments and Methods in Physics Research A, 2018, Available: https://doi.org/10.1016/j.nima.2018.12.010.

A.T. Simone, S. Croft, J.P. Hayward, L.G. Worrall, “Using the JCC-71 neutron coincidence collar as a benchmark for detector characterization with PTR-32 list mode data acquisition,” Nuclear Instruments and Methods in Physics Research A, 2018, Available: https://doi.org/10.1016/j.nima.2018.08.022.

A.T. Simone, S. Croft, C. Britton, R.D. McElroy, J.P. Hayward, “Investigating the Non-Ideal Behavior of the Amptek A111 Charge Sensitive Preamplifier and Discriminator Board-3He Proportional Counter Combination Used in Common Safeguards Neutron Coincidence Counters,” Nuclear Instruments and Methods in Physics Research A, 2018, Available: https://doi.org/10.1016/j.nima.2018.10.033.

C. Redding, A. Hackett, M. Laubach, R. Feng, P. Feng, C. Hurlbut, P. Liaw, J.P. Hayward, “Tensile, flexural, and light output measurements of selected organic scintillators for evaluation of their potential as structural materials,” Nuclear Instruments and Methods in Physics Research A, 2018, Available: https://doi.org/10.1016/j.nima.2018.10.126.

C. Liao, H. Yang, Z. Liu, J.P. Hayward, “Design and Characterization of a Scintillator-Based Position-Sensitive Detector for Muon Imaging,” Nuclear Technology, 2018, Available: https://doi.org/10.1080/00295450.2018.1522885.

M.E. Moore, H. Xue, P. Vilmercati, S.J. Zinkle, N. Mannella, J.P. Hayward, “Thermal diffusion of mixed valence Ce in 6Li loaded silicate glass for neutron imaging,” Journal of Non-Crystalline Solids, Vol. 498, Oct. 2018, 145-152, Available: https://doi.org/10.1016/j.jnoncrysol.2018.06.004

A.L. Lousteau, R.D. McElroy, S. Croft, J.P. Hayward, “Determining 235U enrichment in bulk uranium items using dual-energy interrogation with delayed neutron measurement,” Nuclear Instruments and Methods in Physics Research A, Vol. 904, Oct. 2018, pp. 74-80.  Available: https://doi.org/10.1016/j.nima.2018.07.030

S.B. Donnald, R. Williams, C.L. Melcher, F. Meng, M. Koschan, S. Friedrich, J.A. Johnson, J.P. Hayward, “Correlation of Nonproportionality and Scintillation Properties with Cerium Concentration in YAlO3:Ce,” IEEE Transactions on Nuclear Science, Vol. 65, No. 5, May 2018, Available: http://dx.doi.org/10.1109/TNS.2018.2828428

S. Chatzidakis, Z. Liu, J.P. Hayward, J.M. Scaglione, “A generalized trajectory estimation algorithm with energy loss for application to muon tomography,” Journal of Applied Physics, Vol. 123, 124903, published online Mar 2018, Available: https://doi.org/10.1063/1.5024671

J.P. Hayward, J. Sparger, L. Fabris, R.J. Newby, “Fast neutron counting in a mobile, trailer-based search platform,” EPJ Nuclear Sci. Technol., Vol. 3, 35, published online Dec. 2017. Available: http://dx.doi.org/10.1051/epjn/2017028.

M.C. Tweardy, S. McConchie, J.P. Hayward, “A Point Kinetics Model for Estimating Neutron Multiplication of Bare Uranium Metal in Tagged Neutron Interrogation,” IEEE Transactions on Nuclear Science, Vol. 64, No. 7, July 2017. Available: http://dx.doi.org/10.1109/TNS.2017.2715238.

B. Ayaz-Maierhafer, C.G. Britt, A.J. August, H. Qi, C.E. Seifert, J.P. Hayward, “Design Optimization for a Wearable, Gamma-Ray and Neutron Sensitive, Detector Array with Directionality Estimation,” Nuclear Instruments and Methods in Physics Research A,  870, 131-139.  Available: https://doi.org/10.1016/j.nima.2017.07.020

A.T. Simone, S. Croft, R.D. McElroy, L. Sun, J.L. Lacy, A. Athanasiades, J.P. Hayward, “Performance of a Boron-Coated-Straw- Based HLNCC for International Safeguards Applications,” IEEE Transactions on Nuclear Science, 64 (2017), 2690-2697. Available: http://dx.doi.org/10.1109/TNS.2017.2742986

Simone, A. T., Croft, S., Favalli, A., & Hayward, J.P., “A Comparison of Approaches to Determine Dead Time Parameters Using a Boron- Coated-Straw High-Level Neutron Coincidence Counter,” ESARDA Bulletin, 54 (2017) 6-13. Available from https://esarda.jrc.ec.europa.eu/

Z. Liu, J.P. Hayward, C. Liao, H. Yang, “Detection of Missing Assemblies and Estimation of the Scattering Densities in a VSC-24 Dry Storage Cask with Cosmic-Ray-Muon-Based Computed Tomography,” Journal of the Institute of Nuclear Materials Management, XLV (2017), 12-20.  Available from https://www.inmm.org/Members

J. Zhang, M.E. Moore, Z. Wang, Zhou Rong, C. Yang, J.P. Hayward, “Study of sampling rate influence on neutron-gamma discrimination with stilbene coupled to a silicon photomultiplier,” Applied Radiation and Isotopes, Vol. 128, Oct. 2017, p. 120-124. Available: http://dx.doi.org/10.1016/j.apradiso.2017.06.036

X. Zhang, M.E. Moore, K.M. Lee, E.D. Lukosi, J.P. Hayward, “Study of cerium diffusion in undoped lithium-6 enriched glass with Rutherford backscattering spectrometry,” Nuclear Instruments and Methods in Physics Research B, Vol. 378, July 2016, p. 8-11. Available: http://dx.doi.org/10.1016/j.nimb.2016.04.036 [Role: Sole PI, Supervisor of first author].

Y. Song, J. Conner, X. Zhang, J.P. Hayward, “Monte Carlo simulation of a very high resolution thermal neutron detector composed of glass scintillation microfibers,” Applied Radiation and Isotopes, Vol. 108, Feb. 2016, pp. 100-107.  Available: http://dx.doi.org/10.1016/j.apradiso.2015.12.035 [Role: Sole PI, Supervisor of first author].

B. Ayaz-Maierhafer, M.A. Laubach, J.P. Hayward, “Sensing of Cf-252 Fission Gamma Rays Using Same-Size Glass Detectors,” Journal of Radioanalytical and Nuclear Chemistry, Vol. 308, June 2016, p. 919-926. Available: http://dx.doi.org/10.1007/s10967-015-4584-5. [Role: Sole PI, Supervisor of first author].

K.P. Ziock, C.B. Boehnen, J.M. Ernst, L. Fabris, J.P. Hayward, T.P. Karnowski, V.C. Paquita, D.R. Patlolla, D.G. Trombino, “Motion Correction for Passive Radiation Imaging of Small Vessels in Ship-to-Ship Inspections,” accepted by Nuclear Instruments and Methods in Physics Research A, Vol. 805, Jan. 2016, pp. 116-126.  [Role: Participant].

A. Iyengar, M. Beach, R.J. Newby, L. Fabris, L.H. Heilbronn, J.P. Hayward, “Systematic Measurement of Fast Neutron Background Fluctuations in an Urban Area Using a Mobile Detection System,” Nuclear Instruments and Methods in Physics Research A, Vol. 773, Feb. 2015, pp. 27-32.  Available: http://dx.doi.org/10.1016/j. nima.2014.10.045 [Role: Sole PI, Major Professor to first author].

X. Zhang, B. Ayaz-Maierhafer, M.A. Laubach, J.P. Hayward, “Observation of Material, Thickness, and Bremsstrahlung X-ray Intensity Dependent Effects in Moderate and High Z Targets in a Gamma and X-Ray LIDAR Experiment,” Nuclear Instruments and Methods in Physics Research A, vol. 784, Jun. 2015, pp. 621-624. Available: http://dx.doi.org/10.1016/j.nima.2014.12.076 [Role: Sole PI, Supervisor of first author].

J. Littell. E. Lukosi, J.P. Hayward, R. Milburn, A. Rowan, “Coded Moderator Approach for Fast Neutron Source Detection and Localization at Standoff,” Nuclear Instruments and Methods in Physics Research A, vol. 784, Jun. 2015, pp. 364-369. Available: http://dx.doi.org/10.1016/j.nima.2014.11.118 [Role: Participant].

M.A. Laubach, J.P. Hayward, X. Zhang, J.W. Cates, “Timing and Position Response of a Block Detector for Fast Neutron Time-of-Flight Imaging,” Nuclear Instruments and Methods in Physics Research A, Vol. 763, November 2014, p. 495-501. [Role: Sole PI, Major Professor to first author].

B. Ayaz-Maierhafer, X. Zhang, J.P. Hayward, Z.W. Bell, M.A. Laubach “Investigation of active background from photofission in depleted uranium using Cherenkov detectors and gamma ray time-of-flight analysis,” IEEE Transactions on Nuclear Science, Vol. 61, No. 4, August 2014, p. 2402-2409. [Role: Sole PI, Supervisor of first author].

X. Zhang, J.P. Hayward, M.A. Laubach, “New method to remove the electronic noise for absolutely calibrating low gain photomultiplier tube with a higher precision,” Nuclear Instruments and Methods in Physics Research A, Vol. 755, Aug. 2014, p. 32-37. [Role: Sole PI, Supervisor of first author].

S.B. Donnald, M. Tyagi, H. Rothfuss, M. Koschan, J.P. Hayward, M. Zhuravleva, C.L. Melcher, “Sample-to-Sample Variation in Single Crystal YAP:Ce Non-Proportionality,” IEEE Transactions on Nuclear Science, Vol. 99, Sept. 2013, p. 1.  [Role: co-PI, Major Professor to first author].

J.W. Cates, J.P. Hayward, X. Zhang, "Significant Increases in Light Extraction from YAP:Ce Scintillators with a Uniform Surface Taper Modification at the Exit Boundary," IEEE Transactions on Nuclear Science, Vol. 99, Sept. 2013, p. 1. [Role: Sole PI, Major Professor to first author].

S.B. Donnald, M. Tyagi, H. Rothfuss, F. Meng, J.P. Hayward, M. Koschan, C.L. Melcher, “Effect of B3+ and Ca2+ Co-doping on Factors Which Affect the Energy Resolution of Gd3Ga3Al2O12:Ce,” IEEE Transactions on Nuclear Science, Vol. 60, No. 5, October 2013, p. 4002-4006. [Role: co-PI, Major Professor to first author].

J.W. Cates, J.P. Hayward, and X. Zhang, “Measurement of Achievable Timing Resolution with ZnO:Ga Films,” IEEE Transactions on Nuclear Science, Vol. 60, No. 4, August 2013, p. 3127-3133. [Role: Sole PI, Major Professor to first author].

X. Zhang, J.W. Cates, J.P. Hayward, G. Bertuccio, D. Puglisi, P.A. Hausladen, “Characterizing the timing performance of a fast 4H-SiC detector with an 241Am source,” IEEE Transactions on Nuclear Science, Vol. 60, Issue 3, June 2013, p. 2352-2356. [Role: Sole PI, supervisor of first author].

B. Ayaz-Maierhafer, J.P. Hayward, K.P. Ziock, M.A. Blackston, L. Fabris, “Transmission and signal loss in mask designs for a dual neutron and gamma imager applied to mobile standoff detection,” Nuclear Instruments and Methods in Physics Research A, Vol. 712, June 2013, p. 1-8. [Role: Sole PI, supervisor of first author].

B. Ayaz-Maierhafer, J.P. Hayward, K.P. Ziock, M.A. Blackston, L. Fabris, “Angular resolution study of a combined gamma-neutron coded aperture imager for standoff detection,” Nuclear Instruments and Methods in Physics Research A, Vol. 712, June 2013, p. 120-125. [Role: Sole PI, supervisor of first author].

J.W. Cates, J.P. Hayward, X. Zhang, “Increased Light Extraction from Inorganic Scintillators with Laser-Etched Microstructures,” IEEE Transactions on Nuclear Science, Vol. 60, Issue 2, May 2013, p. 1027-1032. [Role: Sole PI, Major Professor to first author].

A.K. Barnett, M.N. Cox, L. Crow, Y. Diawara, L.L. Funk, J.P. Hayward, K. Menhard, V.N. Sedov, “A High Count Rate Neutron Beam Monitor for Neutron Scattering Facilities,” IEEE Transactions on Nuclear Science, Vol. 60, Issue 2, May 2013, p. 668-670. [Role: Major Professor to first author].

B. Ayaz-Maierhafer, J.P. Hayward, Z.W. Bell, L.A. Boatner, R.E. Johnson, “Measurements of thermal neutron response in Cherenkov glassed designed for MeV photon detection,” IEEE Transactions on Nuclear Science, Vol. 60, Issue 2, May 2013, p. 701-707. [Role: Sole PI, supervisor of first author].

M. Tyagi, M. Koschan, H. Rothfuss, J.P. Hayward, C.L. Melcher, “Effect of Ca2+ CoDoping on the Temperature Dependence of Gd2SiO5:Ce Photoluminescence,” IEEE Transactions on Nuclear Science, Vol. 60, Issue 2, April 2013, p. 973-978. [Role: co-PI].

J.P. Hayward, Z.W. Bell, L.A. Boatner, C.L. Hobbs, R.E. Johnson, J.O. Ramey, G.E. Jellsion, Jr., “Characterizing the response of Cherenkov glass detectors with isotopic gamma-ray sources,” Journal of Radioanalytical and Nuclear Chemistry, Feb. 2013, Vol. 295, Issue 2, pp. 1143-1151. [Role: Sole PI].

J.P. Hayward, Z.W. Bell, L.A. Boatner, C.L. Hobbs, R.E. Johnson, J.O. Ramey, G.E. Jellison, Jr., “Simulated Response of Cherenkov Glass Detectors to MeV Photons,” Journal of Radioanalytical and Nuclear Chemistry, Feb. 2013, Vol. 295, Issue 2, pp. 1321-1329. [Role: Sole PI].

Jason Hayward

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