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Effect of chemical structure on the radioactive decay rate of71Ge

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Abstract

The influence of the chemical structure on the electron capture radioactive decay rate of71Ge was observed.71Ge nuclei in bivalent sulphide GeS decay faster than in quadrivalent sulphide GeS2. The relative change Δλ/λ of the decay constant λ is+(11.4±1.7) · 10−4.

A possibility to use the experimental values of Δλ/λ to determine the chemical changes in the electron density at germanium nuclei in germanium chemical compounds is discussed. Quantitative determination of the changes in the electron density is complicated because of insufficient reliability of the published values of exchange and overlap corrections to the electron capture probabilities.

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Authors and Affiliations

  1. Institute of Physics, Academy of Sciences of the Lithuanian SSR, 232600, Vilnius, USSR

    K. Makariūnas, E. Makariūniené & A. Dragūnas

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  1. K. Makariūnas
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  2. E. Makariūniené
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  3. A. Dragūnas
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Makariūnas, K., Makariūniené, E. & Dragūnas, A. Effect of chemical structure on the radioactive decay rate of71Ge. Hyperfine Interact 7, 201–205 (1979). https://doi.org/10.1007/BF01021502

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  • DOI: https://doi.org/10.1007/BF01021502

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