Abstract
Neutron capture cross sections for radionuclides are essential for nuclear security applications but are extremely challenging to measure. A new technique and instrument are being developed at the Los Alamos Neutron Science Center to solve this problem. The Device for Indirect Neutron Capture Experiments on Radionuclides (DICER) is designed to tightly constrain neutron-capture cross sections for several radionuclides important to nuclear security, nuclear criticality safety, radiochemical diagnostics, astrophysics, and nuclear forensics. These efforts heavily rely on the fabrication of radioactive samples. A description of the technique, sample fabrication efforts, a list of radionuclides that DICER can study and the first preliminary results on 88Zr will be provided.
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Acknowledgements
This work benefited from the use of the LANSCE accelerator facility and was supported by the US Department of Energy through the Los Alamos National Laboratory. Los Alamos National Laboratory is operated by Triad National Security, LLC, for the National Nuclear Security Administration of US Department of Energy (Contract No. 89233218CNA000001). Research presented in this article was supported by the Laboratory Directed Research and Development program of Los Alamos National Laboratory under project number 20200108DR.
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Stamatopoulos, A., Matyskin, A., Koehler, P. et al. DICER: a new instrument for nuclear data for nuclear security. J Radioanal Nucl Chem 331, 4857–4861 (2022). https://doi.org/10.1007/s10967-022-08474-z
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DOI: https://doi.org/10.1007/s10967-022-08474-z