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Investigating the properties of nuclei with extreme neutron excess and 2 ≤ Z ≤ 8

  • Proceedings of the International Conference “Nuclei, 2014: Fundamental Problems of Nuclear Physics, Atomic Energy, and Nuclear Technologies” (LXIV International Meeting on Nuclear Spectroscopy and the Structure of Atomic Nuclei)
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Bulletin of the Russian Academy of Sciences: Physics Aims and scope

Abstract

A theoretical study of even–even nuclei (2 ≤ Z ≤ 8) with extreme neutron excess stable with respect to one-neutron emission, including nuclei beyond the neutron drip line (NDL), is performed. The calculations are based on the Hartree–Fock (HF) method with Skyrme forces (SkI2) and allowance for axial deformation and the Bardeen–Cooper–Schrieffer (BCS) pairing approximation. It is shown that beyond the NDL, 18He and 40C isotopes form peninsulas of nuclei stable with respect to one-neutron emissions. The restoration of stability beyond the NDL for 18He and 40C can be explained by the complete filling of neutron subshells with high angular momentum and the introduction of corresponding neutron levels in the region of discrete bound states.

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Authors and Affiliations

  1. National Scientific Center, Kharkiv Institute of Physics and Technology, Kharkiv, 61000, Ukraine

    V. N. Tarasov, V. I. Kuprikov & D. V. Tarasov

  2. St. Petersburg State University, St. Petersburg, 199034, Russia

    K. A. Gridnev

  3. Institute for Theoretical Physics, Goethe University, 60438, Frankfurt am Main, Germany

    K. A. Gridnev, W. Greiner, D. K. Gridnev & K. S. Godbey

  4. University of Barcelona, 08007, Barcelona, Spain

    X. Viñas

Authors
  1. V. N. Tarasov
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  2. K. A. Gridnev
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  3. W. Greiner
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  4. V. I. Kuprikov
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  5. D. K. Gridnev
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  6. D. V. Tarasov
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  7. X. Viñas
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  8. K. S. Godbey
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Corresponding author

Correspondence to V. N. Tarasov.

Additional information

Original Russian Text © V.N. Tarasov, K.A. Gridnev, W. Greiner, V.I. Kuprikov, D.K. Gridnev, D.V. Tarasov, X. Viñas, K.S. Godbey, 2015, published in Izvestiya Rossiiskoi Akademii Nauk. Seriya Fizicheskaya, 2015, Vol. 79, No. 7, pp. 910–913.

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Tarasov, V.N., Gridnev, K.A., Greiner, W. et al. Investigating the properties of nuclei with extreme neutron excess and 2 ≤ Z ≤ 8. Bull. Russ. Acad. Sci. Phys. 79, 819–822 (2015). https://doi.org/10.3103/S1062873815070242

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  • DOI: https://doi.org/10.3103/S1062873815070242

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