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Multiple triaxial bands in Nd-138

Petrache, C. M. ; Ragnarsson, Ingemar LU ; Ma, Hai-Liang ; Leguillon, R. ; Zerrouki, T. ; Bazzacco, D. and Lunardi, S. (2015) In Physical Review C (Nuclear Physics) 91(2).
Abstract
High-spin states in Nd-138 were investigated by using the Ca-48 + Zr-94 reaction and gamma-ray coincidences were acquired with the GASP spectrometer. A rich level scheme was developed including 14 new bands of quadrupole transitions at very high spins. Linking transitions connecting 11 high-spin bands to low-energy states have been observed. Calculations based on the cranked Nilsson-Strutinsky formalism have been used to assign configurations to the observed bands. The main result of these calculations is that all 14 bands exhibit a stable triaxial deformation up to the highest observed spins, giving strong support to the existence of a triaxial minimum with normal deformation and positive asymmetry parameter in nuclei with a few holes in... (More)
High-spin states in Nd-138 were investigated by using the Ca-48 + Zr-94 reaction and gamma-ray coincidences were acquired with the GASP spectrometer. A rich level scheme was developed including 14 new bands of quadrupole transitions at very high spins. Linking transitions connecting 11 high-spin bands to low-energy states have been observed. Calculations based on the cranked Nilsson-Strutinsky formalism have been used to assign configurations to the observed bands. The main result of these calculations is that all 14 bands exhibit a stable triaxial deformation up to the highest observed spins, giving strong support to the existence of a triaxial minimum with normal deformation and positive asymmetry parameter in nuclei with a few holes in the N = 82 shell closure. (Less)
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author
organization
publishing date
type
Contribution to journal
publication status
published
subject
in
Physical Review C (Nuclear Physics)
volume
91
issue
2
article number
024302
publisher
American Physical Society
external identifiers
  • wos:000349248700007
  • scopus:84922332067
ISSN
0556-2813
DOI
10.1103/PhysRevC.91.024302
language
English
LU publication?
yes
additional info
The information about affiliations in this record was updated in December 2015. The record was previously connected to the following departments: Mathematical Physics (Faculty of Technology) (011040002)
id
41932cb5-0ebc-4c9b-bc0e-fc7e904d3202 (old id 7613679)
date added to LUP
2016-04-01 14:21:06
date last changed
2019-11-28 16:11:46
@article{41932cb5-0ebc-4c9b-bc0e-fc7e904d3202,
  abstract     = {High-spin states in Nd-138 were investigated by using the Ca-48 + Zr-94 reaction and gamma-ray coincidences were acquired with the GASP spectrometer. A rich level scheme was developed including 14 new bands of quadrupole transitions at very high spins. Linking transitions connecting 11 high-spin bands to low-energy states have been observed. Calculations based on the cranked Nilsson-Strutinsky formalism have been used to assign configurations to the observed bands. The main result of these calculations is that all 14 bands exhibit a stable triaxial deformation up to the highest observed spins, giving strong support to the existence of a triaxial minimum with normal deformation and positive asymmetry parameter in nuclei with a few holes in the N = 82 shell closure.},
  author       = {Petrache, C. M. and Ragnarsson, Ingemar and Ma, Hai-Liang and Leguillon, R. and Zerrouki, T. and Bazzacco, D. and Lunardi, S.},
  issn         = {0556-2813},
  language     = {eng},
  number       = {2},
  publisher    = {American Physical Society},
  series       = {Physical Review C (Nuclear Physics)},
  title        = {Multiple triaxial bands in Nd-138},
  url          = {http://dx.doi.org/10.1103/PhysRevC.91.024302},
  doi          = {10.1103/PhysRevC.91.024302},
  volume       = {91},
  year         = {2015},
}