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Average cross-sections for (n, p) reactions on calcium in a fission-type reactor spectrum

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Abstract

The average cross-section in a fission-type reactor spectrum\(\bar \sigma _F\) was experimentally determined for the reactions42Ca(n, p)42K,43Ca(n, p)43K and44Ca(n, p)44K. Calcium carbonate samples and fast neutron flux monitors were irradiated with and without cadmium shielding in the Thetis reactor (Institute for Nuclear Sciences, Rijksuniversiteit, Gent). The potassium activities induced in the calcium carbonate samples were separated and purified by tetraphenylborate precipitation, after which they were measured with a Ge(Li)-detector of calibrated detection efficiency. On the basis of\(\bar \sigma _F = 0.64\) mb for the reaction27Al(n, α)24Na, the average cross-sections were as follows:42Ca(n, p)42K: 2.82±0.07mb;43Ca(n, p)43K: 1.89±0.05 mb;44Ca(n, p)44Ca(n, p)44K: 0.065±0.003 mb.

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Authors and Affiliations

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

    A. Bruggeman, W. Maenhaut (Research associate of the N. F. W. O.) & J. Hoste

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  1. A. Bruggeman
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  2. W. Maenhaut
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  3. J. Hoste
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Bruggeman, A., Maenhaut, W. & Hoste, J. Average cross-sections for (n, p) reactions on calcium in a fission-type reactor spectrum. J. Radioanal. Chem. 23, 101–112 (1974). https://doi.org/10.1007/BF02514349

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  • DOI: https://doi.org/10.1007/BF02514349

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