Partial and total thermal neutron capture cross sections for non-destructive assay and transmutation monitoring of 99Tc

G. L. Molnár, T. Belgya, Zs Révay, S. M. Qaim

Research output: Contribution to journalArticle

19 Citations (Scopus)

Abstract

Accurate partial gamma-ray production cross sections were determined for the prompt and radioactive product decay gamma rays following cold neutron capture in 99Tc. They can be used for non-destructive assay of technetium by prompt gamma activation analysis (PGAA) and neutron activation analysis (NAA), offering orders of magnitude higher analytical sensitivities than passive gamma-ray counting. A lower limit of 21.21±0.17 b was also deduced for the thermal-neutron-capture cross section.

Original languageEnglish
Pages (from-to)479-482
Number of pages4
JournalRadiochimica Acta
Volume90
Issue number8
Publication statusPublished - Jan 1 2002

Keywords

  • Beta decay
  • Cold neutrons
  • Cross section
  • Gamma rays
  • K method
  • NAA
  • PGAA
  • Technetium 100
  • Technetium 99
  • Thermal neutron capture

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry

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