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Isospin symmetry investigation of the proton-unbound nucleus T = 3/2 55Cu

Pigliapoco, S. ; Cortés, M. L. ; Recchia, F. ; Lenzi, S. M. ; Bentley, M. A. ; Doornenbal, P. ; Jungclaus, A. ; Wimmer, K. ; Zago, L. and Rudolph, D. LU orcid , et al. (2025) International Conference on Nucleus-Nucleus Collisions In Nuclear Physics A 1056.
Abstract

This study reports the status of the first in-beam γ-ray spectroscopic study of excited states in the exotic neutron-deficient Tz=-3/2 nucleus 55Cu. The nucleus was produced via knock-out reactions at the Radioactive Isotope Beam Factory, located at the RIKEN-Nishina Center. Several γ-ray transitions were detected using the DALI2+ γ-ray detector array. The comparison with isobaric analogue states in the mirror nucleus 55Fe will provide valuable insights into isospin-non-conserving effects beyond nuclear stability. The proton occupation of the 1p3/2 orbital is expected to play a significant effect on the orbital's charge radius due to the isovector monopole... (More)

This study reports the status of the first in-beam γ-ray spectroscopic study of excited states in the exotic neutron-deficient Tz=-3/2 nucleus 55Cu. The nucleus was produced via knock-out reactions at the Radioactive Isotope Beam Factory, located at the RIKEN-Nishina Center. Several γ-ray transitions were detected using the DALI2+ γ-ray detector array. The comparison with isobaric analogue states in the mirror nucleus 55Fe will provide valuable insights into isospin-non-conserving effects beyond nuclear stability. The proton occupation of the 1p3/2 orbital is expected to play a significant effect on the orbital's charge radius due to the isovector monopole polarizability, which can be linked to the measured mirror energy differences.

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organization
publishing date
type
Contribution to journal
publication status
published
subject
keywords
Isospin symmetry, Gamma-ray spectroscopy, proton emission
in
Nuclear Physics A
volume
1056
article number
123023
pages
4 pages
publisher
Elsevier
conference name
International Conference on Nucleus-Nucleus Collisions
conference location
Whistler, Canada
conference dates
2024-08-18 - 2024-08-23
external identifiers
  • scopus:85216734119
ISSN
0375-9474
DOI
10.1016/j.nuclphysa.2025.123023
project
Nuclear Structure at the Limits: Isotope-selective Spectroscopy
language
English
LU publication?
yes
additional info
Publisher Copyright: © 2025 The Authors
id
01913d14-de8d-4e17-96ae-75e0392ff6d9
date added to LUP
2025-03-10 19:19:38
date last changed
2025-04-04 14:27:35
@article{01913d14-de8d-4e17-96ae-75e0392ff6d9,
  abstract     = {{<p>This study reports the status of the first in-beam γ-ray spectroscopic study of excited states in the exotic neutron-deficient <i>T<sub>z</sub></i>=-3/2 nucleus <sup>55</sup>Cu. The nucleus was produced via knock-out reactions at the Radioactive Isotope Beam Factory, located at the RIKEN-Nishina Center. Several γ-ray transitions were detected using the DALI2<sup>+</sup> γ-ray detector array. The comparison with isobaric analogue states in the mirror nucleus <sup>55</sup>Fe will provide valuable insights into isospin-non-conserving effects beyond nuclear stability. The proton occupation of the 1<i>p</i><sub>3/2</sub> orbital is expected to play a significant effect on the orbital's charge radius due to the isovector monopole polarizability, which can be linked to the measured mirror energy differences.</p>}},
  author       = {{Pigliapoco, S. and Cortés, M. L. and Recchia, F. and Lenzi, S. M. and Bentley, M. A. and Doornenbal, P. and Jungclaus, A. and Wimmer, K. and Zago, L. and Rudolph, D. and Browne, F. and Koiwai, T. and Sakurai, H. and Arici, T. and Fernández, A. and Tostevin, J. A. and Imai, N. and Kitamura, N. and Longfellow, B. and Lozeva, R. and Mauss, B. and Napoli, D. R. and Niikura, M. and Periera Lopez, J. and Ruotsalainen, P. and Taniuchi, R. and Uthayakumaar, S. and Vaquero, V. and Wadsworth, R. and Yajzey, R.}},
  issn         = {{0375-9474}},
  keywords     = {{Isospin symmetry; Gamma-ray spectroscopy; proton emission}},
  language     = {{eng}},
  month        = {{01}},
  publisher    = {{Elsevier}},
  series       = {{Nuclear Physics A}},
  title        = {{Isospin symmetry investigation of the proton-unbound nucleus <i>T </i>= 3/2 <sup>55</sup>Cu}},
  url          = {{http://dx.doi.org/10.1016/j.nuclphysa.2025.123023}},
  doi          = {{10.1016/j.nuclphysa.2025.123023}},
  volume       = {{1056}},
  year         = {{2025}},
}