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Spectroscopy of low-spin states in $^{157}\mathrm{Dy}$: Search for evidence of enhanced octupole correlations
- Source :
- Phys.Rev.C, Phys.Rev.C, 2019, 100 (3), pp.034322. ⟨10.1103/PhysRevC.100.034322⟩, Physical Review C, Physical Review C, American Physical Society, 2019, 100 (3), pp.034322. ⟨10.1103/PhysRevC.100.034322⟩
- Publication Year :
- 2019
- Publisher :
- HAL CCSD, 2019.
-
Abstract
- Low-spin states of 157Dy have been studied using the JUROGAM II array, following the 155Gd ({\alpha}, 2n) reaction at a beam energy of 25 MeV. The level scheme of 157Dy has been expanded with four new bands. Rotational structures built on the [523]5/2- and [402]3/2+ neutron orbitals constitute new additions to the level scheme as do many of the inter- and intra-band transitions. This manuscript also reports the observation of cross I- to (I-1)- and I- to (I-1)+ E1 dipole transitions inter-linking structures built on the [523]5/2- (band 5) and [402]3/2+ (band 7) neutron orbitals. These interlacing band structures are interpreted as the bands of parity doublets with simplex quantum number s = -i related to possible octupole correlations.<br />Comment: Published in Physical Review C (2019)
- Subjects :
- Nuclear Theory (nucl-th)
Nuclear Theory
nuclear spin and parity
shell model
FOS: Physical sciences
collective levels
collective models
Nuclear Experiment (nucl-ex)
[PHYS.NEXP]Physics [physics]/Nuclear Experiment [nucl-ex]
ydinfysiikka
Nuclear Structure
nuclear structure and decays
Nuclear Experiment
Subjects
Details
- Language :
- English
- ISSN :
- 24699985 and 24699993
- Database :
- OpenAIRE
- Journal :
- Phys.Rev.C, Phys.Rev.C, 2019, 100 (3), pp.034322. ⟨10.1103/PhysRevC.100.034322⟩, Physical Review C, Physical Review C, American Physical Society, 2019, 100 (3), pp.034322. ⟨10.1103/PhysRevC.100.034322⟩
- Accession number :
- edsair.doi.dedup.....562fb0c8e7c9640c97ad35b51a3626a3
- Full Text :
- https://doi.org/10.1103/PhysRevC.100.034322⟩