Article detail · 2022
Evidence for spherical-oblate shape coexistence in Tc87
Journal
American Physical Society (APS)ISSN 2469-9985
The ISSN points to another catalog journal; the name is from the YÖKSİS record.
- Year
- 2022
- Type
- article
Data source split
- YÖKSİS YÖKSİS article record
- YÖKSİS venue American Physical Society (APS)
- Catalog match (ISSN) Physical Review C
- OpenAlex OpenAlex enrichment (abstract, citations, topics)
Abstract
OpenAlex · lv
Excited states in the neutron-deficient nucleus $^{87}\mathrm{Tc}$ have been studied via the fusion-evaporation reaction $^{54}\mathrm{Fe}(^{36}\mathrm{Ar},2n1p)^{87}\mathrm{Tc}$ at 115 MeV beam energy. The AGATA $\ensuremath{\gamma}$-ray spectrometer coupled to the DIAMANT, NEDA, and Neutron Wall detector arrays for light-particle detection was used to measure the prompt coincidence of $\ensuremath{\gamma}$ rays and light particles. Six transitions from the deexcitation of excited states belonging to a new band in $^{87}\mathrm{Tc}$ were identified by comparing $\ensuremath{\gamma}$-ray intensities in the spectra gated under different reaction channel selection conditions. The constructed level structure was compared with the shell model and total Routhian surface calculations. The results indicate that the new band structure in $^{87}\mathrm{Tc}$ is built on a spherical configuration, which is different from that assigned to the previously identified oblate yrast rotational band.
Topics
Citations
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2 citations
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