Ayman Hawari

Crozier, J., & Hawari, A. (2023). Ab Initio Evaluation of Uranium Carbide S(alpha, beta) and Thermal Neutron Cross Sections. 15TH INTERNATIONAL CONFERENCE ON NUCLEAR DATA FOR SCIENCE AND TECHNOLOGY, ND2022, Vol. 284. https://doi.org/10.1051/epjconf/202328417005

Lee, E., Fleming, N. C., & Hawari, A. I. (2023, February 26). Benchmark of Neutron Thermalization in Graphite Using a Pulsed Slowing-Down-Time Experiment. NUCLEAR SCIENCE AND ENGINEERING. https://doi.org/10.1080/00295639.2022.2162789

Vaglio-Gaudard, C., Destouches, C., Hawari, A., Avramova, M., Ivanov, K., Valentine, T., … Hudelot, J.-P. (2023). Challenge for the validation of high-fidelity multi-physics LWR modeling and simulation: Development of new experiments in research reactors. FRONTIERS IN ENERGY RESEARCH, 11. https://doi.org/10.3389/fenrg.2023.1110979

Ahmed, T., Fleming, N. C., & Hawari, A. I. (2023). Effects of Hydrogen Bonding on Nuclear Data Development of Liquid Anhydrous HF. 15TH INTERNATIONAL CONFERENCE ON NUCLEAR DATA FOR SCIENCE AND TECHNOLOGY, ND2022, Vol. 284. https://doi.org/10.1051/epjconf/202328417003

Laramee, B. K., & Hawari, A. I. (2023). Evaluation of Thermal Neutron Scattering Law and Cross Sections for Calcium Hydride. 15TH INTERNATIONAL CONFERENCE ON NUCLEAR DATA FOR SCIENCE AND TECHNOLOGY, ND2022, Vol. 284. https://doi.org/10.1051/epjconf/202328417014

Fleming, N. C., Manring, C. A., Laramee, B. K., Crozier, J. P. W., Lee, E., & Hawari, A. I. (2023). FLASSH 1.0: Thermal Scattering Law Evaluation and Cross Section Generation. 15TH INTERNATIONAL CONFERENCE ON NUCLEAR DATA FOR SCIENCE AND TECHNOLOGY, ND2022, Vol. 284. https://doi.org/10.1051/epjconf/202328417007

Fleming, N. C., Manring, C. A., Laramee, B. K., Crozier, J. P. W., Lee, E., & Hawari, A. I. (2023, April 21). FLASSH 1.0: Thermal Scattering Law Evaluation and Cross-Section Generation for Reactor Physics Applications. NUCLEAR SCIENCE AND ENGINEERING. https://doi.org/10.1080/00295639.2023.2194195

Saxena, S., & Hawari, A. I. (2023, February 3). High-Resolution Gamma-Ray Spectrometry of Pebble Bed Reactor Fuel Using Adaptive Digital Pulse Processing. NUCLEAR TECHNOLOGY. https://doi.org/10.1080/00295450.2022.2148839

Wall, J. J., Parish, C. M., Dixon, J. T., Hawari, A. I., Liu, M., & Breon, L. (2023). Irradiation of ultrasonic sensors and adhesive couplants for application in light water reactor primary loop piping and components. NUCLEAR ENGINEERING AND DESIGN, 414. https://doi.org/10.1016/j.nucengdes.2023.112594

Wormald, J. L., & Hawari, A. I. (2022). Modeling fission spikes in nuclear fuel using a multigroup model of electronic energy transport. JOURNAL OF NUCLEAR MATERIALS, 566. https://doi.org/10.1016/j.jnucmat.2022.153797

Burba, C. M., Feightner, K., Liu, M., & Hawari, A. (2022, January 21). The Effect of Fluorinated Solvents on the Physicochemical Properties, Ionic Association, and Free Volume of a Prototypical Solvate Ionic Liquid. CHEMPHYSCHEM. https://doi.org/10.1002/cphc.202100548

Datta, A., & Hawari, A. I. (2021, September 8). Characterization and Implementation of A Dynamic Neutron Imaging System at the PULSTAR Reactor. JOURNAL OF SIGNAL PROCESSING SYSTEMS FOR SIGNAL IMAGE AND VIDEO TECHNOLOGY. https://doi.org/10.1007/s11265-021-01694-8

Benson, M. T., Harp, J. M., Xie, Y., Yao, T., Tolman, K. R., Wright, K. E., … Cai, Q. (2021). Out-of-pile and postirradiated examination of lanthanide and lanthanide-palladium interactions for metallic fuel. JOURNAL OF NUCLEAR MATERIALS, 544. https://doi.org/10.1016/j.jnucmat.2020.152727

Wormald, J. L., Hawari, A., & Zerkle, M. L. (2020). Impact of magnetic structure and thermal effects on vibrational excitations and neutron scattering in uranium mononitride. ANNALS OF NUCLEAR ENERGY, 143. https://doi.org/10.1016/j.anucene.2020.107447

Yang, G., Phan, Q. V., Liu, M., Hawari, A., & Kim, H. (2020). Material defect study of thallium lead iodide (TlPbI3) crystals for radiation detector applications. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment, 954, 161516. https://doi.org/10.1016/j.nima.2018.10.194

Hawari, A. I. (2020, January). On a measurement approach to support evaluation of thermal scattering law data. ANNALS OF NUCLEAR ENERGY, Vol. 135. https://doi.org/10.1016/j.anucene.2019.106940

Fleming, M., Bernard, D., Brown, D., Chadwick, M., Saint Jean, C., Dupont, E., … Yokoyama, K. (2020). Overview of the OECD-NEA Working Party on International Nuclear Data Evaluation Cooperation (WPEC). ND 2019: INTERNATIONAL CONFERENCE ON NUCLEAR DATA FOR SCIENCE AND TECHNOLOGY, Vol. 239. https://doi.org/10.1051/epjconf/202023915002

Wu, Y., Yang, G., Han, D., Liu, M., Hawari, A., Du, M.-H., … Melcher, C. L. (2020). Role of Lithium Codoping in Enhancing the Scintillation Yield of Aluminate Garnets. PHYSICAL REVIEW APPLIED, 13(6). https://doi.org/10.1103/PhysRevApplied.13.064060

Ahmed, M. W., Alarcon, R., Aleksandrova, A., Baeßler, S., Barron-Palos, L., Bartoszek, L. M., … Young, A. R. (2019). A new cryogenic apparatus to search for the neutron electric dipole moment. Journal of Instrumentation, 14(11), P11017–P11017. https://doi.org/10.1088/1748-0221/14/11/P11017

Manring, C. A., & Hawaii, A. I. (2019, June). Assessment of thermal neutron scattering in a heavy paraffinic molecular material. ANNALS OF NUCLEAR ENERGY, Vol. 128, pp. 140–147. https://doi.org/10.1016/j.anucene.2018.12.042

Sorrell, N. C., & Hawari, A. I. (2019, June). TREAT M2 experiment modeling for transient benchmark analysis. ANNALS OF NUCLEAR ENERGY, Vol. 128, pp. 398–405. https://doi.org/10.1016/j.anucene.2019.01.026

Saxena, S., & Hawari, A. I. (2018). Digital pulse deconvolution with adaptive shaping for real-time high-resolution high-throughput gamma spectroscopy. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. https://doi.org/10.1016/J.NIMA.2018.09.123

Brown, D. A., Chadwick, M. B., Capote, R., Kahler, A. C., Trkov, A., Herman, M. W., … Zhu, Y. (2018). ENDF/B-VIII.0: The 8 th  Major Release of the Nuclear Reaction Data Library with CIELO-project Cross Sections, New Standards and Thermal Scattering Data. Nuclear Data Sheets, 148, 1–142. https://doi.org/10.1016/J.NDS.2018.02.001

Brown, D. A., Chadwick, M. B., Capote, R., Kahler, A. C., Trkov, A., Herman, M. W., … Brown, F. (2018). ENDF/B-VIII.0: The 8th major release of the nuclear reaction data library with CIELO-project cross Sections, new standards and thermal scattering data. Nuclear Data Sheets, 148, 1–142.

Datta, A., & Hawari, A. I. (2018). Investigation of a model based reconstruction technique for neutron tomography at the PULSTAR reactor. Nuclear Instruments and Methods in Physics Research Section A: Accelerators, Spectrometers, Detectors and Associated Equipment. https://doi.org/10.1016/J.NIMA.2018.09.035

Zhou, H., Liu, M., Williams, S. C., Griffin, L. A., Cress, C. D., Rivas, M., … Jones, J. L. (2018). Radiation-induced changes of vacancy-type defects in ferroelectric capacitors as revealed by Doppler broadening positron annihilation spectroscopy. JOURNAL OF APPLIED PHYSICS, 124(24). https://doi.org/10.1063/1.5045189

Anghel, A., Bailey, T. L., Bison, G., Blau, B., Broussard, L. J., Clayton, S. M., … Zsigmond, G. (2018). Solid deuterium surface degradation at ultracold neutron sources. The European Physical Journal A, 54(9). https://doi.org/10.1140/epja/i2018-12594-2

Torstensen, J. O., Liu, M., Jin, S.-A., Deng, L., Hawari, A. I., Syverud, K., … Gregersen, O. W. (2018). Swelling and Free-Volume Characteristics of TEMPO-Oxidized Cellulose Nanofibril Films. BIOMACROMOLECULES, 19(3), 1016–1025. https://doi.org/10.1021/acs.biomac.7b01814

Datta, A., & Hawari, A. I. (2017, July). Geant4 Analysis of a Thermal Neutron Real-Time Imaging System. IEEE TRANSACTIONS ON NUCLEAR SCIENCE, Vol. 64, pp. 1652–1658. https://doi.org/10.1109/tns.2017.2708031

Wormald, J. L., & Hawari, A. I. (2017). Generation of phonon density of states and thermal scattering law using ab initio molecular dynamics. Progress in Nuclear Energy, 101, 461–467. https://doi.org/10.1016/J.PNUCENE.2017.02.011

Saxena, S., & Hawari, A. I. (2017, July). Investigation of FPGA-Based Real-Time Adaptive Digital Pulse Shaping for High-Count-Rate Applications. IEEE TRANSACTIONS ON NUCLEAR SCIENCE, Vol. 64, pp. 1733–1738. https://doi.org/10.1109/tns.2017.2692219

Zhu, Y., & Hawari, A. I. (2017). Thermal neutron scattering cross section of liquid FLiBe. Progress in Nuclear Energy, 101, 468–475. https://doi.org/10.1016/J.PNUCENE.2017.03.028

Wormald, J., & Hawari, A. I. (2017). Thermal neutron scattering law calculations using ab initio molecular dynamics. ND 2016: INTERNATIONAL CONFERENCE ON NUCLEAR DATA FOR SCIENCE AND TECHNOLOGY, Vol. 146. https://doi.org/10.1051/epjconf/201714613002

Holmes, J. C., Hawari, A. I., & Zerkle, M. L. (2016). A Phonon-Based Covariance Methodology for ENDF S(alpha, beta) and Thermal Neutron Inelastic Scattering Cross Sections. NUCLEAR SCIENCE AND ENGINEERING, 184(1), 84–113. https://doi.org/10.13182/nse15-89

Phillips, D. G., II, Snow, W. M., Babul, K., Banerjee, S., Baxter, D. V., Berezhiani, Z., … Young, A. R. (2016). [Review of Neutron-antineutron oscillations: Theoretical status and experimental prospects]. PHYSICS REPORTS-REVIEW SECTION OF PHYSICS LETTERS, 612, 1–45. https://doi.org/10.1016/j.physrep.2015.11.001

Wormald, J. L., & Hawari, A. I. (2015). Examination of the impact of electron-phonon coupling on fission enhanced diffusion in uranium dioxide using classical molecular dynamics. JOURNAL OF MATERIALS RESEARCH, 30(9), 1485–1494. https://doi.org/10.1557/jmr.2014.405

Wormald, J. L., & Hawari, A. I. (2014). Exploring Fission Enhanced Diffusion of Uranium in Uranium Dioxide Using Classical Molecular Dynamics Simulations. In TMS 2014: 143rd Annual Meeting & Exhibition (pp. 155–162). https://doi.org/10.1007/978-3-319-48237-8_21

Wormald, J. L., & Hawari, A. I. (2014). Exploring fission enhanced diffusion of uranium in uranium dioxide using classical molecular dynamics simulations. TMS 2014 Supplemental Proceedings, 155–162. https://doi.org/10.1002/9781118889879.ch21

Holmes, J. C., & Hawari, A. I. (2014). Generation of an S(alpha, beta) Covariance Matrix by Monte Carlo Sampling of the Phonon Frequency Spectrum. NUCLEAR DATA SHEETS, 118, 392–395. https://doi.org/10.1016/j.nds.2014.04.089

Hawari, A. I., & Gillete, V. H. (2014). Inelastic Thermal Neutron Scattering Cross Sections for Reactor-grade Graphite. NUCLEAR DATA SHEETS, 118, 176–178. https://doi.org/10.1016/j.nds.2014.04.030

Hawari, A. I. (2014). Modern Techniques for Inelastic Thermal Neutron Scattering Analysis. NUCLEAR DATA SHEETS, 118, 172–175. https://doi.org/10.1016/j.nds.2014.04.029

Korobkina, E., Medlin, G., Wehring, B., Hawari, A. I., Huffman, P. R., Young, A. R., … Palmquist, G. (2014). Ultracold neutron source at the PULSTAR reactor: Engineering design and cryogenic testing. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 767, 169–175. https://doi.org/10.1016/j.nima.2014.08.016

Liu, M., Moxom, J., Hawari, A. I., & Gidley, D. W. (2013). The intense slow positron beam facility at the PULSTAR reactor and applications in nano-materials study. 1525, 455–459. https://doi.org/10.1063/1.4802370

Xiao, Z., Mishra, K. K., Hawari, A. I., Bingham, P. R., Bilheux, H. Z., & Tobin, K. W. (2011). Coded source neutron imaging at the PULSTAR reactor. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 652(1), 606–609. https://doi.org/10.1016/j.nima.2010.10.049

Hawari, A. I., Gidley, D. W., Moxom, J., Hathaway, A. G., & Mukherjee, S. (2011). Operation and testing of the PULSTAR reactor intense slow positron beam and PALS spectrometers. 12TH INTERNATIONAL WORKSHOP ON SLOW POSITRON BEAM TECHNIQUES (SLOPOS12), Vol. 262. https://doi.org/10.1088/1742-6596/262/1/012024

Mishra, K. K., & Hawari, A. I. (2011). Phase contrast neutron imaging at the PULSTAR reactor. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 652(1), 615–619. https://doi.org/10.1016/j.nima.2010.09.113

Gould, C. R., Hawari, A. I., & Sharapov, E. I. (2010). Reanalysis of Recent Neutron Diffusion and Transmission Measurements in Nuclear Graphite. NUCLEAR SCIENCE AND ENGINEERING, 165(2), 200–209. https://doi.org/10.13182/nse09-48

Dijulio, D. D., & Hawari, A. I. (2009, July 15). Examination of reactor grade graphite using neutron powder diffraction. JOURNAL OF NUCLEAR MATERIALS, Vol. 392, pp. 225–229. https://doi.org/10.1016/j.jnucmat.2009.03.014

Pattie, R. W., Anaya, J., Back, H. O., Boissevain, J. G., Bowles, T. J., Broussard, L. J., … Hoedl, S. A. (2009). First measurement of the neutron beta asymmetry with ultracold neutrons. Physical Review Letters, 102(1).

Mishra, K. K., & Hawari, A. I. (2009). Investigating Phase Contrast Neutron Imaging for Mixed Phase-Amplitude Objects. IEEE TRANSACTIONS ON NUCLEAR SCIENCE, 56(3), 1629–1636. https://doi.org/10.1109/TNS.2009.2016962

Mishra, K. K., & Hawari, A. I. (2008). Development of neutron phase contrast Imaging at the NC State University PULSTAR Reactor. Neutron Radiography, 123–133.

DiJulio, D. D., Hawari, A. I., & Berliner, R. (2007, August 21). A Gd-based gaseous electron multiplier detector for neutron scattering applications. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, Vol. 579, pp. 71–74. https://doi.org/10.1016/j.nima.2007.04.015

Korobkna, E., Wehring, B. W., Hawari, A. I., Young, A. R., Huffman, P. R., Golub, R., … Palmquist, G. (2007). An ultracold neutron source at the NC state university PULSTAR reactor. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, 579(1), 530–533. https://doi.org/10.1016/j.nima.2007.04.116

Chen, J., & Hawari, A. I. (2007, August 21). Analysis of the impact of random summing on passive assay of pebble bed reactor fuel using gamma-ray spectrometry. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, Vol. 579, pp. 297–300. https://doi.org/10.1016/j.nima.2007.04.064

Hathaway, A. G., Skalsey, M., Frieze, W. E., Vallery, R. S., Gidley, D. W., Hawari, A. I., & Xu, J. (2007, August 21). Implementation of a prototype slow positron beam at the NC State University PULSTAR reactor. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, Vol. 579, pp. 538–541. https://doi.org/10.1016/j.nima.2007.03.036

Hawari, A. I., Al-Qasir, I. I., & Ougouag, A. M. (2007, March). Investigation of the impact of simple carbon interstitial formations on thermal neutron scattering in graphite. NUCLEAR SCIENCE AND ENGINEERING, Vol. 155, pp. 449–462. https://doi.org/10.13182/NSE07-A2676

Hehr, B. D., Hawari, A. I., & Gillette, V. H. (2007). Molecular dynamics simulations of graphite at high temperatures. NUCLEAR TECHNOLOGY, 160(2), 251–256. https://doi.org/10.13182/NT07-A3897

Moxom, J., Hathaway, A. G., Bodnaruk, E. W., Hawari, A. I., & Xu, J. (2007, August 21). Performance analysis of the intense slow-positron beam at the NC State University PULSTAR reactor. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, Vol. 579, pp. 534–537. https://doi.org/10.1016/j.nima.2007.04.117

Harp, J. M., Hawari, A. I., & Bourham, M. A. (2007, August 21). Simulation of gamma-ray spectrometry of failed TRISO fuel. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, Vol. 579, pp. 301–304. https://doi.org/10.1016/j.nima.2007.04.065

Su, B., Zhao, Z., Chen, J., & Hawari, A. I. (2006). Assessment of on-line burnup monitoring of pebble bed reactor fuel by passive neutron counting. PROGRESS IN NUCLEAR ENERGY, 48(7), 686–702. https://doi.org/10.1016/j.pnucene.2006.06.013

Mishra, K. K., Hawari, A. I., & Gillette, V. H. (2006). Design and performance of a thermal neutron imaging facility at the North Carolina State University PULSTAR reactor. IEEE TRANSACTIONS ON NUCLEAR SCIENCE, 53(6), 3904–3911. https://doi.org/10.1109/tns.2006.884323

Hawari, A. I., & Chen, J. W. (2005). Computational investigation of on-line interrogation of pebble bed reactor fuel. IEEE TRANSACTIONS ON NUCLEAR SCIENCE, 52(5), 1659–1664. https://doi.org/10.1109/TNS.2005.856760

Hawari, A. I., Chen, J., & Su, B. (2005). Efficiency self-calibration of the HPGe detector for on-line assay of pebble bed reactor fuel. JOURNAL OF RADIOANALYTICAL AND NUCLEAR CHEMISTRY, 264(1), 265–270. https://doi.org/10.1007/s10967-005-0704-y

Chen, J. W., Hawari, A. I., Zhao, Z. X., & Su, B. J. (2003, June 1). Gamma-ray spectrometry analysis of pebble bed reactor fuel using Monte Carlo simulations. NUCLEAR INSTRUMENTS & METHODS IN PHYSICS RESEARCH SECTION A-ACCELERATORS SPECTROMETERS DETECTORS AND ASSOCIATED EQUIPMENT, Vol. 505, pp. 393–396. https://doi.org/10.1016/S0168-9002(03)01105-7

Hawari, A. I., Chen, J. W., Su, B. J., & Zhao, Z. X. (2002, June). Assessment of on-line burnup monitoring of pebble bed reactor fuel using passive gamma-ray spectrometry. IEEE TRANSACTIONS ON NUCLEAR SCIENCE, Vol. 49, pp. 1249–1253. https://doi.org/10.1109/TNS.2002.1039646