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Theoretical study of the two-proton halo candidate 17Ne including contributions from resonant continuum and pairing correlations

  • Regular Article - Theoretical Physics
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Abstract.

With the relativistic Coulomb wave function boundary condition, the energies, widths and wave functions of the single-proton resonant orbitals for 17Ne are studied by the analytical continuation in the coupling constant (ACCC) approach within the framework of the relativistic mean field (RMF) theory. Pairing correlations and contributions from the single-particle resonant orbitals in the continuum are taken into consideration by the resonant Bardeen-Cooper-Schrieffer (BCS) approach, in which the constant pairing strength is used. It can be seen that the fully self-consistent calculations with NL3 and NLSH effective interactions mostly agree with the latest experimental measurements, such as binding energies, matter radii, charge radii and densities. The energy of the \( \pi2s_{1/2}\) orbital is slightly higher than that of the \( \pi1d_{5/2}\) orbital, and the occupation probability of the \( (\pi2s_{1/2})^2\) orbital is about 20%, which is in accordance with the shell model calculation and three-body model estimation.

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Authors and Affiliations

  1. School of Physics and Nuclear Energy Engineering, Beihang University, 100191, Beijing, China

    Shi-Sheng Zhang

  2. State Key Laboratory of Theoretical Physics, Institute of Theoretical Physics, Chinese Academy of Sciences, 100190, Beijing, China

    Shi-Sheng Zhang, En-Guang Zhao & Shan-Gui Zhou

  3. Center of Theoretical Nuclear Physics, National Laboratory of Heavy Ion Accelerator, 730000, Lanzhou, China

    En-Guang Zhao & Shan-Gui Zhou

Authors
  1. Shi-Sheng Zhang
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  2. En-Guang Zhao
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  3. Shan-Gui Zhou
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Correspondence to Shi-Sheng Zhang.

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Communicated by K. Yabana

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Zhang, SS., Zhao, EG. & Zhou, SG. Theoretical study of the two-proton halo candidate 17Ne including contributions from resonant continuum and pairing correlations. Eur. Phys. J. A 49, 77 (2013). https://doi.org/10.1140/epja/i2013-13077-8

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  • DOI: https://doi.org/10.1140/epja/i2013-13077-8

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