Measurement of the cross sections for the reactions 52Cr(n,2n)51Cr, 66Zn(n,2n)65Zn, 89Y(n,2n)88Y and 96Zr(n,2n)95Zr from 13.5 to 14.8 MeV

M. Wagner, G. Winkler, H. Vonach, Cs M. Buczko, J. Csikai

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Abstract

Cross section measurements for the reactions 52Cr(n,2n)51Cr, 66Zn(n,2n)65Zn, 89Y(n,2n)88Y and 96Zr(n,2n)95Zr were carried out in the neutron energy range 13.47-14.79 MeV applying the activation technique. Neutrons were produced via the T(d,n)4He reaction, making use of the variation of neutron energy with the emission angle. The neutron fluences incident on the samples were determined relative to the well-evaluated cross section for the reaction 93Nb(n,2n)92mNb. The induced γ-ray activities of the irradiated Zn, Zr and Y2O3 samples and their monitor foils were measured by means of a calibrated Ge(Li) γ-ray detector at the KFI, Debrecen. At the IRK, Vienna, relative γ-ray measurements using a high-purity Ge detector were combined with integral γ-ray counting by means of a NaI(TI) well-type detector on the Cr, Zn and Zr foils of highest activity and on some Nb monitor foils; integral γ-ray counting only was applied in the case of the Y2O3 samples. All necessary corrections were taken into account. The results are compared to the corresponding results of cross section measurements published in the literature. The uncertainties obtained in this work are considerably smaller in most cases than the uncertainties given by other authors.

Original languageEnglish
Pages (from-to)623-635
Number of pages13
JournalAnnals of Nuclear Energy
Volume16
Issue number12
DOIs
Publication statusPublished - 1989

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Neutrons
cross section
Metal foil
Detectors
energy
Chemical activation
detector
Uncertainty

ASJC Scopus subject areas

  • Nuclear Energy and Engineering
  • Waste Management and Disposal

Cite this

Measurement of the cross sections for the reactions 52Cr(n,2n)51Cr, 66Zn(n,2n)65Zn, 89Y(n,2n)88Y and 96Zr(n,2n)95Zr from 13.5 to 14.8 MeV. / Wagner, M.; Winkler, G.; Vonach, H.; Buczko, Cs M.; Csikai, J.

In: Annals of Nuclear Energy, Vol. 16, No. 12, 1989, p. 623-635.

Research output: Contribution to journalArticle

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title = "Measurement of the cross sections for the reactions 52Cr(n,2n)51Cr, 66Zn(n,2n)65Zn, 89Y(n,2n)88Y and 96Zr(n,2n)95Zr from 13.5 to 14.8 MeV",
abstract = "Cross section measurements for the reactions 52Cr(n,2n)51Cr, 66Zn(n,2n)65Zn, 89Y(n,2n)88Y and 96Zr(n,2n)95Zr were carried out in the neutron energy range 13.47-14.79 MeV applying the activation technique. Neutrons were produced via the T(d,n)4He reaction, making use of the variation of neutron energy with the emission angle. The neutron fluences incident on the samples were determined relative to the well-evaluated cross section for the reaction 93Nb(n,2n)92mNb. The induced γ-ray activities of the irradiated Zn, Zr and Y2O3 samples and their monitor foils were measured by means of a calibrated Ge(Li) γ-ray detector at the KFI, Debrecen. At the IRK, Vienna, relative γ-ray measurements using a high-purity Ge detector were combined with integral γ-ray counting by means of a NaI(TI) well-type detector on the Cr, Zn and Zr foils of highest activity and on some Nb monitor foils; integral γ-ray counting only was applied in the case of the Y2O3 samples. All necessary corrections were taken into account. The results are compared to the corresponding results of cross section measurements published in the literature. The uncertainties obtained in this work are considerably smaller in most cases than the uncertainties given by other authors.",
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T1 - Measurement of the cross sections for the reactions 52Cr(n,2n)51Cr, 66Zn(n,2n)65Zn, 89Y(n,2n)88Y and 96Zr(n,2n)95Zr from 13.5 to 14.8 MeV

AU - Wagner, M.

AU - Winkler, G.

AU - Vonach, H.

AU - Buczko, Cs M.

AU - Csikai, J.

PY - 1989

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AB - Cross section measurements for the reactions 52Cr(n,2n)51Cr, 66Zn(n,2n)65Zn, 89Y(n,2n)88Y and 96Zr(n,2n)95Zr were carried out in the neutron energy range 13.47-14.79 MeV applying the activation technique. Neutrons were produced via the T(d,n)4He reaction, making use of the variation of neutron energy with the emission angle. The neutron fluences incident on the samples were determined relative to the well-evaluated cross section for the reaction 93Nb(n,2n)92mNb. The induced γ-ray activities of the irradiated Zn, Zr and Y2O3 samples and their monitor foils were measured by means of a calibrated Ge(Li) γ-ray detector at the KFI, Debrecen. At the IRK, Vienna, relative γ-ray measurements using a high-purity Ge detector were combined with integral γ-ray counting by means of a NaI(TI) well-type detector on the Cr, Zn and Zr foils of highest activity and on some Nb monitor foils; integral γ-ray counting only was applied in the case of the Y2O3 samples. All necessary corrections were taken into account. The results are compared to the corresponding results of cross section measurements published in the literature. The uncertainties obtained in this work are considerably smaller in most cases than the uncertainties given by other authors.

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