Reconsideration of the theoretical supplementation of decay data in fission product decay heat summation calculations

Naoto Hagura, Tadashi Yoshida, Takahiro Tachibana

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

In the early stage of the development of the fission product (FP) decay data library for decay-heat summation calculations a serious disagreement between calculations and sample-irradiation measurements was experienced world wide. This problem was essentially circumvented by introduction of the nuclear model calculations. By applying the recent results using the total absorption gamma-ray spectrometer to the decay heat calculations we found that TAGS results seem to be free from the pandemonium problem and, in this respect, it provides a solid basis of the summation calculations without the supplementation of the nuclear model calculations. Among the typical FP nuclides which deserve the future TAGS experiment there are98Nb100Nb105Mo and102Tc and others from the present survey.

Original languageEnglish
Pages (from-to)497-504
Number of pages8
JournalJournal of Nuclear Science and Technology
Volume43
Issue number5
DOIs
Publication statusPublished - 2006

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fission products
Fission products
heat
decay
nuclear models
Gamma ray spectrometers
gamma ray spectrometers
nuclides
Isotopes
Hot Temperature
Irradiation
irradiation
Experiments

Keywords

  • Beta decay
  • Beta strength
  • Decay data
  • Fission product
  • Gamma ray
  • Gamma ray spectroscopy
  • JEF
  • JENDL
  • LOCA
  • Pandemonium
  • TAGS

ASJC Scopus subject areas

  • Nuclear and High Energy Physics
  • Nuclear Energy and Engineering

Cite this

Reconsideration of the theoretical supplementation of decay data in fission product decay heat summation calculations. / Hagura, Naoto; Yoshida, Tadashi; Tachibana, Takahiro.

In: Journal of Nuclear Science and Technology, Vol. 43, No. 5, 2006, p. 497-504.

Research output: Contribution to journalArticle

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