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Systematics of ground state multiplets of atomic nuclei in the delta-interaction approach

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Abstract

Pairing forces between nucleons in an atomic nucleus strongly influence its structure. One of the manifestations of pair interaction is the ground state multiplet (GSM) formation in the spectrum of low-lying excited states of even–even nuclei. The value of GSM splitting is determined by the value of pair interaction of nucleons; for each isotope, it can be estimated on the basis of experimental nuclear masses. The quality of this estimate is characterized by the degree of reproduction of GSM levels in the nucleus. The GSM systematics in even–even nuclei with a pair of identical nucleons in addition to the filled nuclear core is considered on the basis of delta interaction.

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Authors and Affiliations

  1. Faculty of Physics, Moscow State University, Moscow, 119899, Russia

    L. T. Imasheva, B. S. Ishkhanov & M. E. Stepanov

  2. Skobeltsyn Institute of Nuclear Physics, Moscow State University, Moscow, 119899, Russia

    B. S. Ishkhanov, M. E. Stepanov & T. Yu. Tretyakova

Authors
  1. L. T. Imasheva
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  2. B. S. Ishkhanov
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  3. M. E. Stepanov
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  4. T. Yu. Tretyakova
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Corresponding author

Correspondence to M. E. Stepanov.

Additional information

Original Russian Text © L.T. Imasheva, B.S. Ishkhanov, M.E. Stepanov, T.Yu. Tretyakova, 2014, published in Yadernaya Fizika i Inzhiniring, 2014, Vol. 5, Nos. 9–10, pp. 733–736.

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Imasheva, L.T., Ishkhanov, B.S., Stepanov, M.E. et al. Systematics of ground state multiplets of atomic nuclei in the delta-interaction approach. Phys. Atom. Nuclei 78, 1463–1465 (2015). https://doi.org/10.1134/S1063778815130141

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  • DOI: https://doi.org/10.1134/S1063778815130141

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