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On the Possibility of Delayed Fission of Nuclei in the Region of Superheavy Transuranium Elements.

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Title: On the Possibility of Delayed Fission of Nuclei in the Region of Superheavy Transuranium Elements.
Authors: Skobelev, N. K.1 skobelev@jinr.ru
Source: Physics of Atomic Nuclei. Jul2018, Vol. 81 Issue 4, p455-462. 8p. 1 Diagram, 2 Charts, 2 Graphs.
Subjects: Transuranium elements, Beta decay, Atomic nucleus, Nuclear fission, Uranium
Abstract: Delayed fission of atomic nuclei was discovered in 1966. It is observed primarily in odd-odd nuclei for which the energy released in beta decay (K capture) is commensurate with the fission barrier in the nucleus formed after this process. Delayed fission was found in four nuclide regions: neutrondeficient isotopes in the Pb region, neutron-deficient isotopes in the Ac and Pa regions, and neutrondeficient and neutron-rich isotopes of transuranium elements. In the wake of investigations into the properties of isotopes of superheavy transuranium elements, numerous calculations were performed in order to determine the masses of new nuclei and to predict their decay properties. Explored and predicted properties of superheavy-element nuclides, where, for some odd-odd nuclei of transuranium elements, the K-capture energy is commensurate with the fission barriers in the corresponding daughter nuclei formed after K capture, are analyzed. Estimates of the delayed-fission probability are presented for some isotopes of elements whose charge number Z ranges from 103 to 107. [ABSTRACT FROM AUTHOR]
Copyright of Physics of Atomic Nuclei is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract. (Copyright applies to all Abstracts.)
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  Data: <searchLink fieldCode="JN" term="%22Physics+of+Atomic+Nuclei%22">Physics of Atomic Nuclei</searchLink>. Jul2018, Vol. 81 Issue 4, p455-462. 8p. 1 Diagram, 2 Charts, 2 Graphs.
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  Data: Delayed fission of atomic nuclei was discovered in 1966. It is observed primarily in odd-odd nuclei for which the energy released in beta decay (K capture) is commensurate with the fission barrier in the nucleus formed after this process. Delayed fission was found in four nuclide regions: neutrondeficient isotopes in the Pb region, neutron-deficient isotopes in the Ac and Pa regions, and neutrondeficient and neutron-rich isotopes of transuranium elements. In the wake of investigations into the properties of isotopes of superheavy transuranium elements, numerous calculations were performed in order to determine the masses of new nuclei and to predict their decay properties. Explored and predicted properties of superheavy-element nuclides, where, for some odd-odd nuclei of transuranium elements, the K-capture energy is commensurate with the fission barriers in the corresponding daughter nuclei formed after K capture, are analyzed. Estimates of the delayed-fission probability are presented for some isotopes of elements whose charge number Z ranges from 103 to 107. [ABSTRACT FROM AUTHOR]
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  Data: <i>Copyright of Physics of Atomic Nuclei is the property of Springer Nature and its content may not be copied or emailed to multiple sites without the copyright holder's express written permission. Additionally, content may not be used with any artificial intelligence tools or machine learning technologies. However, users may print, download, or email articles for individual use. This abstract may be abridged. No warranty is given about the accuracy of the copy. Users should refer to the original published version of the material for the full abstract.</i> (Copyright applies to all Abstracts.)
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        Value: 10.1134/S1063778818040191
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        Type: general
      – SubjectFull: Beta decay
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      – SubjectFull: Atomic nucleus
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      – SubjectFull: Nuclear fission
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      – SubjectFull: Uranium
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