The thermal neutron capture cross section and resonance integral of 227Ac

M. Monsecour; P. de Regge

doi:10.1016/0022-1902(75)80898-0

The thermal neutron capture cross section and resonance integral of ²²⁷Ac

M. Monsecour, P. de Regge

Research output › peer-review

Abstract

Small samples of purified ²²⁷Ac, deposited on aluminum foils were irradiated together with ⁵⁹Co flux monitors in the BR1 reactor. The absolute activity of ²²⁸Ac induced in the targets by the irradiation with and without cadmium cover, was measured with a calibrated Ge(Li) gamma spectrometer. Assuming a thermal neutron cross section of 37·4 barn and a resonance integral of 70·0 barn for the reaction ⁵⁹Co (n, γ) ^60+60mCo values of respectively 762±29 barn and 1017 ± 103 barn were obtained. The quoted errors include all systematic and random errors of the procedure.

Original language	English
Pages (from-to)	1841-1843
Number of pages	3
Journal	Journal of Inorganic and Nuclear Chemistry
Volume	37
Issue number	9
DOIs	https://doi.org/10.1016/0022-1902(75)80898-0
State	Published - Sep 1975

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10.1016/0022-1902(75)80898-0

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title = "The thermal neutron capture cross section and resonance integral of 227Ac",

abstract = "Small samples of purified 227Ac, deposited on aluminum foils were irradiated together with 59Co flux monitors in the BR1 reactor. The absolute activity of 228Ac induced in the targets by the irradiation with and without cadmium cover, was measured with a calibrated Ge(Li) gamma spectrometer. Assuming a thermal neutron cross section of 37·4 barn and a resonance integral of 70·0 barn for the reaction 59Co (n, γ) 60+60mCo values of respectively 762±29 barn and 1017 ± 103 barn were obtained. The quoted errors include all systematic and random errors of the procedure.",

author = "M. Monsecour and {de Regge}, P.",

year = "1975",

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doi = "10.1016/0022-1902(75)80898-0",

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journal = "Journal of Inorganic and Nuclear Chemistry",

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AU - de Regge, P.

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AB - Small samples of purified 227Ac, deposited on aluminum foils were irradiated together with 59Co flux monitors in the BR1 reactor. The absolute activity of 228Ac induced in the targets by the irradiation with and without cadmium cover, was measured with a calibrated Ge(Li) gamma spectrometer. Assuming a thermal neutron cross section of 37·4 barn and a resonance integral of 70·0 barn for the reaction 59Co (n, γ) 60+60mCo values of respectively 762±29 barn and 1017 ± 103 barn were obtained. The quoted errors include all systematic and random errors of the procedure.

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