Research Assistant Professor
Biography
Xianfei Wen received his PhD degree in Nuclear Engineering from Oregon State University. Prior to joining UTK, he was a research assistant scientist in the Nuclear Engineering Program at the University of Florida. His research concentrates on radiation detection and measurement mainly in nuclear security.
Research
Active interrogation using neutrons/photons
Non-destructive assay techniques
Radiation detection and imaging sensors
Radiation signal processing and algorithm development
Education
PhD, Nuclear Engineering, Oregon State University, 2016
MS, Nuclear Science and Technology, Tsinghua University, 2012
BS, Nuclear Engineering and Nuclear Technology, University of South China, 2010
Professional Service
Associate Editor, Frontiers in Physics: Radiation Detectors and Imaging, 2022 - present
Awards and Recognitions
2021 UT Nuclear Engineering Research Excellence Award
Publications
Select list of publications. For the full list, view his Google Scholar page.
- X. Wen, J. Hayward, "Characterization of EJ-270 and Ce-doped LiCAF scintillators for the development of high-rate neutron reflectometer detectors," Nucl. Instr. Meth. Phys. Res. A, vol. 1067, pp. 169667, 2024. Available: https://doi.org/10.1016/j.nima.2024.169667.
- T. Chen, H. Yu, X. Wen, C. Redding, T.J. Hajagos, H. Zhao, J.P. Hayward, C. Yang, Q. Pei, "A plastic scintillator based on an efficient thermally activated delayed fluorescence emitter 9-(4-(4,6-diphenyl-1,3,5-triazin-2-yl)-2-methylphenyl)-3,6-dioctyl-9H-carbazole for pulse shape discrimination measurement," Adv. Optical Mater., vol. 9, pp. 2001975, 2021. Available: https://doi.org/10.1002/adom.202001975.
- Britt, X. Wen, H. Qi, J.P. Hayward, "Directionality for wearable, closely packed radiation detector arrays," Nucl. Instr. Meth. Phys. Res. A, vol. 986, pp. 164708, 2021. Available: https://doi.org/10.1016/j.nima.2020.164708.
- M.E. Montague, C. Delzer, X. Wen, K.C. Goetz, D. Shedlock, J.P. Hayward, "Radiation hardness characterization of LKH-5 scintillating glass," Nucl. Instr. Meth. Phys. Res. A, vol. 982, pp. 164551, 2020. Available: https://doi.org/10.1016/j.nima.2020.164551.
- X. Wen, J.P. Hayward, "Time resolution measurements of EJ-232Q with single- and dual-sided readouts," IEEE Trans. Nucl. Sci., vol. 67, pp. 2081-2088, 2020. Available: https://doi.org/10.1109/TNS.2020.3010469.
- X. Wen, A. Enqvist, "Pulse shape discrimination of Cs2LiYCl6:Ce3+ detectors at high count rate based on triangular and trapezoidal filters," Nucl. Instr. Meth. Phys. Res. A, vol. 866, pp. 129-133, 2017. Available: https://doi.org/10.1016/j.nima.2017.06.007.
- X. Wen, A. Enqvist, "Measuring the scintillation decay time for different energy deposited by γ-rays and neutrons in a Cs2LiYCl6:Ce3+ detector," Nucl. Instr. Meth. Phys. Res. A, vol. 853, pp. 9-15, 2017. Available: https://doi.org/10.1016/j.nima.2017.02.019.
- X. Wen, H. Yang, "Photofisson product yields of 238U and 239Pu with 22-MeV bremsstrahlung," Nucl. Instr. Meth. Phys. Res. A, vol. 821, pp. 34-39, 2016. Available: https://doi.org/10.1016/j.nima.2016.03.051.
- X. Wen, H. Yang, "Study on a digital pulse processing algorithm based on template-matching for high-throughput spectroscopy," Nucl. Instr. Meth. Phys. Res. A, vol. 784, pp. 269-273, 2015. Available: https://doi.org/10.1016/j.nima.2014.11.008.
- X. Wen, J. Kavouras, D. Nakazawa, H. Yang, "Simulation and measurement of delayed γ-rays after photon-induced fission," Nucl. Instr. Meth. Phys. Res. A, vol. 729, pp. 781-787, 2013. Available: https://doi.org/10.1016/j.nima.2013.08.074.