Microscopic study of the deformed neutron halo of 31Ne

Abstract

The properties of the deformed halo of 31Ne were discussed using the antisymmetrized molecular dynamics plus resonating group method (AMD+RGM). The AMD+RGM calculations describe a large neutron radius for the ground state and reveal that the ground state is dominated by core-excited components. The resonant states were also investigated by applying the analytical continuation of the coupling constant. It was found that the first excited state (the 5/2- state) is also dominated by core-excited components and has a small decay width, whereas the second excited state (the 7/2- state) is dominated by the valence neutron in the $f$-wave coupled to the ground state of 30Ne.

References in corpus (3)

• ${}^{22}$C: $S$-Wave Two-Neutron Halo
• A two-neutron halo is unveiled in ${}^{29}$F
• Antisymmetrized molecular dynamics studies for exotic clustering phenomena in neutron-rich nuclei

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• Investigating nuclear density profiles to reveal particle-hole configurations in the island of inversion