Neptunium transition probabilities estimated through laser induced breakdown spectroscopy (LIBS) measurements

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Abstract

Calibration free-laser induced breakdown spectroscopy (CF-LIBS) approaches are promising for the analysis of radioactive materials; however, a lack of reported fundamental properties for these materials is an obstacle to implementation. Spectra of laser induced plasmas containing Np and Sr, along with Saha-Boltzmann methods, were used to estimate the first reported transition probabilities (TPs) of Np. These TPs enabled the first attempt at CF-LIBS analysis of radioactive samples to predict Np/Sr ratios with a mean error of 3.86%. The presented methodology of TP estimation will be applied to the study of other actinides and allow broader applications of CF-LIBS in the nuclear field.

Original languageEnglish
Pages (from-to)768-774
Number of pages7
JournalJournal of Analytical Atomic Spectrometry
Volume37
Issue number4
DOIs
StatePublished - Mar 1 2022

Funding

Funding for this effort was provided by the Science Mission Directorate of NASA and administered by the U.S. Department of Energy, Office of Nuclear Energy, under contract DEAC05-00OR22725. This research is supported by the U.S. Department of Energy Isotope Program, managed by the Office of Science for Isotope R&D and Production. This work was supported by the 238Pu Supply Program at the U.S. Department of Energy\u2019s Oak Ridge National Laboratory and by the U.S. Department of Energy Isotope Program, managed by the Office of Science for Isotope Research, Development, and Production.

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