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Modification and generalization of some methods to improve the accuracy of α-determination in the 1/E1+α epithermal neutron spectrum

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Abstract

Some methods described in the literature for the determination of α in the 1/E1+α epithermal neutron spectrum are critically reviewed with respect to their accuracy. The multi resonance—detector method with Cd-covered irradiations, as used by SCHUMANN and ALBERT, is generalized by subtracting the epithermal 1/v-tail and by introducing the effective resonance energy, as defined by RYVES. The two-detector method of RYVES is modified by using Cd-ratio measurements, thus eliminating the introduction of systematic errors due to the inaccuracy of absolute nuclear data. The adapted methods are applied in channel 15 of the Thetis reactor (Gent).

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Author notes

  1. K. Sordo-El Hammami

    Present address: Faculty of Sciences, University of Rabat, Maroc

Authors and Affiliations

  1. Institute for Nuclear Sciences, Rijksuniversiteit Gent, Proeftuinstraat 86, B-9000, Gent, (Belgium)

    F. De Corte, L. Moens & J. Hoste

  2. Central Research Institue for Physics, H-1525, Budapest, (Hungary)

    A. Simonits

Authors
  1. F. De Corte
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  2. L. Moens
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  3. K. Sordo-El Hammami
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  4. A. Simonits
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  5. J. Hoste
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Research Associate of the “Nationaal Fonds voor Wetenschappelijk Onderzoek”

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De Corte, F., Moens, L., Sordo-El Hammami, K. et al. Modification and generalization of some methods to improve the accuracy of α-determination in the 1/E1+α epithermal neutron spectrum. J. Radioanal. Chem. 52, 305–317 (1979). https://doi.org/10.1007/BF02521281

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  • DOI: https://doi.org/10.1007/BF02521281

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