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Absence of Low-Energy Shape Coexistence in ^{80}Ge: The Nonobservation of a Proposed Excited 0_{2}^{+} Level at 639 keV.
- Source :
-
Physical review letters [Phys Rev Lett] 2020 Oct 23; Vol. 125 (17), pp. 172501. - Publication Year :
- 2020
-
Abstract
- The ^{80}Ge structure was investigated in a high-statistics β-decay experiment of ^{80}Ga using the GRIFFIN spectrometer at TRIUMF-ISAC through γ, β-e, e-γ, and γ-γ spectroscopy. No evidence was found for the recently reported 0_{2}^{+} 639-keV level suggested as evidence for low-energy shape coexistence in ^{80}Ge. Large-scale shell model calculations performed in ^{78,80,82}Ge place the 0_{2}^{+} level in ^{80}Ge at 2 MeV. The new experimental evidence combined with shell model predictions indicate that low-energy shape coexistence is not present in ^{80}Ge.
Details
- Language :
- English
- ISSN :
- 1079-7114
- Volume :
- 125
- Issue :
- 17
- Database :
- MEDLINE
- Journal :
- Physical review letters
- Publication Type :
- Academic Journal
- Accession number :
- 33156683
- Full Text :
- https://doi.org/10.1103/PhysRevLett.125.172501