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arXiv · 1812.08482

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

Manju·J. Singh·Shubhchintak·R. Chatterjee
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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 the 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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Manju, J. Singh, Shubhchintak, R. Chatterjee. 2018-12-20. Low-lying dipole strengths for probable $p$-wave one-neutron halos in the medium mass region. https://doi.org/10.1140/epja/i2019-12679-4

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