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Shell structure of one-particle resonances in deformed potentials

Hamamoto-Kuroda, Ikuko LU (2016) In Physical Review C (Nuclear Physics) 93(5).
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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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Physical Review C (Nuclear Physics)
volume
93
issue
5
article number
054328
publisher
American Physical Society
external identifiers
  • scopus:84971351143
  • wos:000376921400003
ISSN
0556-2813
DOI
10.1103/PhysRevC.93.054328
language
English
LU publication?
yes
id
e458da02-5d52-4221-a46f-55682f5cccf3
date added to LUP
2016-07-19 07:26:34
date last changed
2024-06-28 12:40:49
@article{e458da02-5d52-4221-a46f-55682f5cccf3,
  abstract     = {{<p>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.</p>}},
  author       = {{Hamamoto-Kuroda, Ikuko}},
  issn         = {{0556-2813}},
  language     = {{eng}},
  month        = {{05}},
  number       = {{5}},
  publisher    = {{American Physical Society}},
  series       = {{Physical Review C (Nuclear Physics)}},
  title        = {{Shell structure of one-particle resonances in deformed potentials}},
  url          = {{http://dx.doi.org/10.1103/PhysRevC.93.054328}},
  doi          = {{10.1103/PhysRevC.93.054328}},
  volume       = {{93}},
  year         = {{2016}},
}