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Low-lying dipole strengths for probable p-wave one-neutron halos in the medium mass region

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Abstract.

The one-neutron halos lying in the island of inversion around \( N=20\) has provided the podium to study the variation of total low-lying dipole strength with the neutron separation energy. We study three probable p -wave one-neutron halo candidates 31Ne and 34Na and 37Mg lying in the island of inversion. A simple analytic model has been used for the calculation of the total low-lying dipole strength for the medium mass p -wave one-neutron halos. A correction factor to this analytical model has been estimated with a realistic Woods-Saxon potential. A comparison of these analytic calculations has been made with those performed by a finite-range distorted-wave Born approximation theory of the Coulomb dissociation. We also make an estimate of the one-neutron separation energies of 31Ne, 34Na and 37Mg.

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Authors and Affiliations

  1. Department of Physics, Indian Institute of Technology, 247667, Roorkee, Uttarakhand, India

    Manju & R. Chatterjee

  2. Nuclear Reaction Data Centre, Faculty of Science, Hokkaido University, 060-0810, Sapporo, Japan

    Jagjit Singh

  3. Physique Nucléaire Théorique et Physique Mathématique, Université Libre de Bruxelles (ULB), C. P. 229, B 1050, Brussels, Belgium

    Shubhchintak

Authors
  1. Manju
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  2. Jagjit Singh
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  3. Shubhchintak
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  4. R. Chatterjee
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Corresponding author

Correspondence to Manju.

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Communicated by M. Bender

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Manju, Singh, J., Shubhchintak et al. Low-lying dipole strengths for probable p-wave one-neutron halos in the medium mass region. Eur. Phys. J. A 55, 5 (2019). https://doi.org/10.1140/epja/i2019-12679-4

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