Analysis of fissile materials by high-energy neutron-induced fission decay gamma-rays

R. B. Firestone, G. A. English, J. Reijonen, F. Gicquel, K. N. Leung, D. L. Perry, G. Garabedian, B. Bandong, Zs Révay, G. L. Molnár

Research output: Contribution to journalArticle

3 Citations (Scopus)


Thermal neutrons from the Budapest Research Reactor and fast neutrons from the Berkeley Neutron Generator Facility have been used to analyze uranium. It has been shown that both prompt and delayed gamma-rays from neutron capture and fission product decay can be used to analyze uranium concentrations and 235U enrichment. Detection of neutrons from the spontaneous fission of 238U has also been demonstrated for uranium analysis. The observation of high-energy gamma-rays following the decay of short-lived fission products is a sensitive indication of fissile material, and the ratio of fission product gamma-ray intensities can uniquely determine the concentrations of fission isotopes.

Original languageEnglish
Pages (from-to)241-245
Number of pages5
JournalJournal of Radioanalytical and Nuclear Chemistry
Issue number2
Publication statusPublished - Aug 2005

ASJC Scopus subject areas

  • Analytical Chemistry
  • Nuclear Energy and Engineering
  • Radiology Nuclear Medicine and imaging
  • Pollution
  • Spectroscopy
  • Public Health, Environmental and Occupational Health
  • Health, Toxicology and Mutagenesis

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    Firestone, R. B., English, G. A., Reijonen, J., Gicquel, F., Leung, K. N., Perry, D. L., Garabedian, G., Bandong, B., Révay, Z., & Molnár, G. L. (2005). Analysis of fissile materials by high-energy neutron-induced fission decay gamma-rays. Journal of Radioanalytical and Nuclear Chemistry, 265(2), 241-245.