New catalog of neutron capture γ rays for prompt gamma activation analysis

G. Molnár, Zsolt RÉvay, Tam#x00E1;s Belgya, Richard B. Firestone

Research output: Contribution to journalArticle

4 Citations (Scopus)

Abstract

Thermal neutron capture gamma rays were remeasured for all stable elements, except helium, at the guided neutron beam facility in Budapest. Energies, relative intensities and partial production cross-sections were determined with high precision for about 14, 000 gamma rays of 82 elements. The new experimental data were supplemented with isotopie data from ENSDF and the original papers and were evaluated. The resulting accurate new level and decay schemes comprise 35, 000 gamma-ray transitions. The new database is practically complete for light nuclei, hence capture cross-sections could be inferred from the measured partial gamma-ray production cross-sections. Precise neutron separation energies were also deduced from the fits to level schemes. The new elemental datasets will be the basic input to a new IAEA database for prompt gamma activation analysis, a chemical method of elemental analysis. The new isotopie sets will be provided for updating the thermal neutron capture datasets of ENSDF.

Original languageEnglish
Pages (from-to)1338-1343
Number of pages6
JournalJournal of Nuclear Science and Technology
Volume39
DOIs
Publication statusPublished - 2002

Fingerprint

activation analysis
Activation analysis
Gamma rays
catalogs
rays
Neutrons
gamma rays
neutrons
Gamma ray production
thermal neutrons
Neutron beams
Helium
cross sections
neutron beams
absorption cross sections
helium
Chemical analysis
nuclei
energy
decay

Keywords

  • Cross-section
  • Evaluated database
  • Gamma energy
  • Gamma intensity
  • Gamma production
  • Neutron binding energy
  • PGAA
  • Prompt gamma activation analysis
  • Thermal neutron capture

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Nuclear Energy and Engineering

Cite this

New catalog of neutron capture γ rays for prompt gamma activation analysis. / Molnár, G.; RÉvay, Zsolt; Belgya, Tam#x00E1;s; Firestone, Richard B.

In: Journal of Nuclear Science and Technology, Vol. 39, 2002, p. 1338-1343.

Research output: Contribution to journalArticle

Molnár, G. ; RÉvay, Zsolt ; Belgya, Tam#x00E1;s ; Firestone, Richard B. / New catalog of neutron capture γ rays for prompt gamma activation analysis. In: Journal of Nuclear Science and Technology. 2002 ; Vol. 39. pp. 1338-1343.
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