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PreprintCC BY 4.0arXiv

86Ni: Possible doubly-magic nucleus with neutron halo

  • H. Nakada
  • K. Ishida
Open at sourcePDFDOICite

Abstract

Self-consistent mean-field calculations with semi-realistic interactions have predicted that N=58 becomes a magic number near Ni, where the n2s1/2 orbit is the highest occupied state. As the last neutrons occupy the shallowly bound s-orbit, 86Ni can be highly distinctive, being a doubly-magic nucleus and possessing a neutron halo simultaneously. With minimal ambiguity in the many-body wave function, it may provide a unique opportunity to investigate, \textit{e.g.}, reaction mechanisms in halo nuclei. As an example, we present differential cross sections for proton elastic scattering predicted via a folding potential without local approximations, and compare them with those obtained using an empirical potential.

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Cite

BibTeXRIS
BibTeX
@misc{nakada202686ni,
  title = {{$^86$Ni: Possible doubly-magic nucleus with neutron halo}},
  author = {H. Nakada and K. Ishida},
  howpublished = {arXiv},
  year = {2026},
  month = oct,
  doi = {10.48550/arxiv.2610.05648},
  eprint = {2610.05648},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2610.05648},
  note = {CC BY 4.0},
}
RIS
TY  - UNPB
TI  - ^86Ni: Possible doubly-magic nucleus with neutron halo
AU  - H. Nakada
AU  - K. Ishida
PY  - 2026
DA  - 2026/10/05
PB  - arXiv
DO  - 10.48550/arxiv.2610.05648
UR  - https://arxiv.org/abs/2610.05648
AB  - Self-consistent mean-field calculations with semi-realistic interactions have predicted that N=58 becomes a magic number near Ni, where the n2s_1/2 orbit is the highest occupied state. As the last neutrons occupy the shallowly bound s-orbit, ^86Ni can be highly distinctive, being a doubly-magic nucleus and possessing a neutron halo simultaneously. With minimal ambiguity in the many-body wave function, it may provide a unique opportunity to investigate, \textit{e.g.}, reaction mechanisms in halo nuclei. As an example, we present differential cross sections for proton elastic scattering predicted via a folding potential without local approximations, and compare them with those obtained using an empirical potential.
ER  -