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Determination of the ratio of the hydrogen and manganese absorption cross sections by the manganese bath technique

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Abstract

The ratio of the hydrogen and manganese neutron absorption cross sections, σH/σMn, is a most important parameter in the determination of radioactive neutron source strength by the manganese bath technique. The ratio is well measured by observing the change in56Mn activity induced in the manganese bath by a fixed neutron source as the manganese concentration of the bath is changed. In the present study, the neutron source was a Maxwellian beam from252Cf. Concentrations were determined by the two methods: volumetric and gravimetric. The cross section ratio has turned out to be σH/σMn=0.02506.

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Authors and Affiliations

  1. Radiation Laboratory, Korea Standards Research Institute, P.O. Box 3, Taedok Science Town, Taejon, (Republic of Korea)

    S. T. Hwang, K. J. Lee, K. O. Choi & P. J. Oh

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  1. S. T. Hwang
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  2. K. J. Lee
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  3. K. O. Choi
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  4. P. J. Oh
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Hwang, S.T., Lee, K.J., Choi, K.O. et al. Determination of the ratio of the hydrogen and manganese absorption cross sections by the manganese bath technique. Journal of Radioanalytical and Nuclear Chemistry, Articles 139, 37–42 (1990). https://doi.org/10.1007/BF02060450

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  • DOI: https://doi.org/10.1007/BF02060450

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