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Demonstration of fast neutron tomography for complex objects at sub-mm resolution

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Abstract

Fast neutron computed tomography (nCT) allows for structural examination of dense objects composed of both low- and high-atomic number elements. nCT data was collected at the Ohio State University Research Reactor’s fast neutron beam facility. Two imaging phantoms of various sizes and shapes, made of stainless steel, lead, and antimony, and containing High-Density Polyethylene (HDPE) inserts, were employed for demonstration. A total of 360 projections per each configuration of phantoms and respective inserts were collected in as low as 3 h. The voxel volume is determined to be ~ 104 cubic micron. 3D reconstructions clearly revealed the internal structure of the phantoms and features in HDPE inserts shielded by high-Z materials.

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Acknowledgements

We thank the reactor staff at OSU Nuclear Reactor Laboratory for their assistance and acknowledge financial support from the LLNL Laboratory Directed Research and Development Program under LLNL-LDRD 20-SI-001. Work was performed under the auspices of the U.S. Department of Energy by Lawrence Livermore National Laboratory under Contract DE-AC52-07NA27344. Matt Bisbee is supported under a Department of Energy, Office of Nuclear Energy, Integrated University Program Graduate Fellowship.

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Authors and Affiliations

  1. Nuclear Engineering Program, Department of Mechanical and Aerospace Engineering, The Ohio State University, 43210, Columbus, OH, USA

    Ibrahim Oksuz, Matthew Bisbee & Lei Cao

  2. Lawrence Livermore National Laboratory, 94550, Livermore, CA, USA

    Nerine Cherepy, James Hall, Andrew Townsend & Joe Tringe

  3. Nuclear Reactor Laboratory, The Ohio State University, 43210, Columbus, OH, USA

    Lei Cao

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  1. Ibrahim Oksuz
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  2. Matthew Bisbee
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  4. James Hall
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  5. Andrew Townsend
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  6. Joe Tringe
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  7. Lei Cao
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Correspondence to Lei Cao.

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Oksuz, I., Bisbee, M., Cherepy, N. et al. Demonstration of fast neutron tomography for complex objects at sub-mm resolution. J Radioanal Nucl Chem 331, 5095–5100 (2022). https://doi.org/10.1007/s10967-022-08542-4

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  • DOI: https://doi.org/10.1007/s10967-022-08542-4

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