Research Scientist
Education
Ph.D., Nuclear Engineering, University of California, Berkeley, 2019
M.Sc., Nuclear Engineering, Texas A&M University, 2015
B.Sc., Physics, University of California, Santa Barbara, 2013
Select Publications
- D. Hellfeld, M. S. Bandstra, J. R. Vavrek, D. L. Gunter, J. C. Curtis, M. Salathe, R. Pavlovsky, V. Negut, P. J. Barton, J. W. Cates, B. J. Quiter, R. J. Cooper, K. Vetter, and T. H. Y. Joshi, “Free-moving Quantitative Gamma-ray Imaging,” Nature Scientific Reports (in press), 2021.
- D. Hellfeld, P. Barton, A. Haefner, D. Gunter, L. Mihailescu, and K. Vetter, “Real-time Free-moving Active Coded Mask 3D Gamma-ray Imaging,” IEEE Trans. Nucl. Sci. , vol. 66, no. 10, pp. 2252–2260, 2019. DOI: 10.1109/TNS.2019.2939948
- D. Hellfeld, T. H. Y. Joshi, M. S. Bandstra, R. J. Cooper, B. J. Quiter, and K. Vet- ter, “Gamma-Ray Point-Source Localization and Sparse Image Reconstruction using Poisson Likelihood,” IEEE Trans. Nucl. Sci., vol. 66, no. 9, pp. 2088–2099, 2019. DOI: 10.1109/TNS.2019.2930294
- D. Hellfeld, P. Barton, D. Gunter, L. Mihailescu, K. Vetter, “A Spherical Active Coded Aperture for 4π Gamma-ray Imaging”, IEEE Trans. Nucl. Sci., vol. 64, no. 11, pp. 2837-2842, 2017. DOI: 10.1109/TNS.2017.2755982
- D. Hellfeld, S. Dazeley, A. Bernstein, C. Marianno, “Reconstructing the Direction of Reactor Antineutrinos via Electron Scattering in Gd-Doped Water Cherenkov Detectors”, Nucl. Instrum. Methods A, vol. 841, pp. 130-138, 2017. DOI: 10.1016/j.nima.2016.10.027
Contact
Email: dhellfeld@lbl.gov