Shell structure of one-particle resonances in deformed potentials

Ikuko Hamamoto
Phys. Rev. C 93, 054328 – Published 31 May 2016

Abstract

The shell structure of low-lying neutron resonance levels in axially symmetric quadrupole-deformed potentials is discussed, which seems analogous to that of weakly bound neutrons. As numerical examples, nuclei slightly outside the neutron drip line, Mg271239 and C15621, are studied. For the lowest resonance I obtain Iπ=Ωπ=5/2 for Mg39 which is likely to be prolately deformed, while Iπ=Ωπ=1/2+ may be assigned to the nucleus C21 which may be oblately deformed. Consequently, C21 will not be observed as a recognizable resonance state, in agreement with the experimental information.

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  • Received 7 March 2016

DOI:https://doi.org/10.1103/PhysRevC.93.054328

©2016 American Physical Society

Physics Subject Headings (PhySH)

Nuclear Physics

Authors & Affiliations

Ikuko Hamamoto

  • Riken Nishina Center, Wako, Saitama 351-0198, Japan and Division of Mathematical Physics, Lund Institute of Technology at the University of Lund, Lund, Sweden

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Issue

Vol. 93, Iss. 5 — May 2016

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