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High-spin states in 60Cu and implications for states in the mirror nucleus 60Ga

Rudolph, D. LU orcid ; Ragnarsson, I. LU ; Chiara, C. J. ; Reviol, W. ; Andreoiu, C. LU ; Carpenter, M. P. ; Charity, R. J. ; Ekman, J. LU ; Fahlander, C. LU and du Rietz, R. LU , et al. (2026) In Physical Review C 114(2).
Abstract
High-spin states in 60Cu are investigated on the basis of reaction-channel-selected š›¾
-ray spectroscopy. Data stem from three experiments that used the same fusion-evaporation reaction at similar beam energies. The Gammasphere š›¾-ray spectrometer was combined with the Microball CsI(Tl) detector array and sets of liquid-scintillator neutron detectors which allowed us to identify and tag on evaporated light charged particles and neutrons, respectively. A level scheme is proposed which comprises more than 300 š›¾-ray transitions connecting more than 100 excited states. Predictions from cranked Nilsson-Strutinsky calculations describe the observed high-spin collective structures in 60Cu. Predictions of shell-model... (More)
High-spin states in 60Cu are investigated on the basis of reaction-channel-selected š›¾
-ray spectroscopy. Data stem from three experiments that used the same fusion-evaporation reaction at similar beam energies. The Gammasphere š›¾-ray spectrometer was combined with the Microball CsI(Tl) detector array and sets of liquid-scintillator neutron detectors which allowed us to identify and tag on evaporated light charged particles and neutrons, respectively. A level scheme is proposed which comprises more than 300 š›¾-ray transitions connecting more than 100 excited states. Predictions from cranked Nilsson-Strutinsky calculations describe the observed high-spin collective structures in 60Cu. Predictions of shell-model calculations are probed with a suite of low- to medium-spin states of both parities. Taking into account isospin-symmetry-breaking terms in these calculations, a case study of the yrast line of the weakly bound mirror nucleus 60Ga is presented. (Less)
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organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Energy levels, High spin states, Nuclear spin & parity, Nuclear structure & decays, Nuclear data analysis and compilation, Electromagnetic transitions, Coulomb energies & analogue states
in
Physical Review C
volume
114
issue
2
article number
024307
pages
35 pages
publisher
American Physical Society
ISSN
2469-9985
DOI
10.1103/mfz2-qldg
project
Nuclear Structure at the Limits: Isotope-selective Spectroscopy
language
English
LU publication?
yes
id
f72e8eab-fc4d-4b4a-8276-fa454837bffe
date added to LUP
2026-08-03 21:14:12
date last changed
2026-08-07 02:55:47
@article{f72e8eab-fc4d-4b4a-8276-fa454837bffe,
  abstract     = {{High-spin states in <sup>60</sup>Cu are investigated on the basis of reaction-channel-selected š›¾<br/>-ray spectroscopy. Data stem from three experiments that used the same fusion-evaporation reaction at similar beam energies. The Gammasphere š›¾-ray spectrometer was combined with the Microball CsI(Tl) detector array and sets of liquid-scintillator neutron detectors which allowed us to identify and tag on evaporated light charged particles and neutrons, respectively. A level scheme is proposed which comprises more than 300 š›¾-ray transitions connecting more than 100 excited states. Predictions from cranked Nilsson-Strutinsky calculations describe the observed high-spin collective structures in <sup>60</sup>Cu. Predictions of shell-model calculations are probed with a suite of low- to medium-spin states of both parities. Taking into account isospin-symmetry-breaking terms in these calculations, a case study of the yrast line of the weakly bound mirror nucleus <sup>60</sup>Ga is presented.}},
  author       = {{Rudolph, D. and Ragnarsson, I. and Chiara, C. J. and Reviol, W. and Andreoiu, C. and Carpenter, M. P. and Charity, R. J. and Ekman, J. and Fahlander, C. and du Rietz, R. and Seweryniak, D. and Sobotka, L. G.}},
  issn         = {{2469-9985}},
  keywords     = {{Energy levels; High spin states; Nuclear spin & parity; Nuclear structure & decays; Nuclear data analysis and compilation; Electromagnetic transitions; Coulomb energies & analogue states}},
  language     = {{eng}},
  month        = {{08}},
  number       = {{2}},
  publisher    = {{American Physical Society}},
  series       = {{Physical Review C}},
  title        = {{High-spin states in <sup>60</sup>Cu and implications for states in the mirror nucleus <sup>60</sup>Ga}},
  url          = {{https://lup.lub.lu.se/search/files/257109559/mfz2-qldg.pdf}},
  doi          = {{10.1103/mfz2-qldg}},
  volume       = {{114}},
  year         = {{2026}},
}