Two-neutron halo structure of ${}^{31}$F

Abstract

We apply the Gamow shell model to study ${}^{25-31}$F isotopes. As both inter-nucleon correlations and continuum coupling are properly treated therein, the structure shape of ${}^{31}$F at large distance can be analyzed precisely. For this, one-nucleon densities, root-mean square radii and correlation densities are calculated in neutron-rich fluorine isotopes. It is then suggested that ${}^{31}$F exhibits a two-neutron halo structure, built from both continuum coupling and nucleon-nucleon correlations.

arXiv comment5 pages, 3 figures

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• Proton decays in ${}^{16}$Ne and ${}^{18}$Mg and isospin-symmetry breaking in carbon isotopes and isotones
• Neutron-rich calcium isotopes within realistic Gamow shell model calculations with continuum coupling
• Two-neutron halo structure of ${}^{31}$F and a novel pairing anti-halo effect
• Continuum and three-nucleon force in Borromean system: The 17Ne case
• The ${}^{29}$F nucleus as a lighthouse on the coast of the island of inversion
• Recent progress in configuration-interaction shell model
• Taming nucleon density distributions with deep neural network method
• Density matrix renormalization group description of the island of inversion isotopes ${}^{28-33}$F
• Constraints on the neutron drip-line with the newly observed 39Na
• Role of quadrupole deformation and continuum effects in the "island of inversion'' nuclei ${}^{28,29,31}$F
• Exploring the halo character and dipole response in the dripline nucleus ${}^{31}$F
• One-neutron halo structure of ${}^{29}$Ne
• Exploring the structure of ${}^{29}$Ne
• Possible halo structure of ${}^{62,72}$Ca by forbidden-state-free locally peaked Gaussians
• Utility of antiproton-nucleus scattering for probing nuclear surface density distributions
• Gamow shell model calculations for the Thomas-Ehrman shift in new isotopes 21Al
• Gamow shell model study of the 17Ne(p, p) reaction and of isospin symmetry breaking in 18Na
• Deformation, halo, and bubble structure: A paradigm shift of exotic phenomena in light to medium mass nuclei