Level structure of 221Ac and 217Fr from decay spectroscopy, and reflection asymmetry in 221Ac
IGISOL Collaboration. (2023). Level structure of 221Ac and 217Fr from decay spectroscopy, and reflection asymmetry in 221Ac. Physical Review C, 108, Article 014304. https://doi.org/10.1103/PhysRevC.108.014304
Julkaistu sarjassa
Physical Review CTekijät
Päivämäärä
2023Oppiaine
ResurssiviisausyhteisöKiihdytinlaboratorioHyvinvoinnin tutkimuksen yhteisöSchool of Resource WisdomAccelerator LaboratorySchool of WellbeingTekijänoikeudet
©2023 American Physical Society
2023:31 | 2024:55 | 2025:6
225Pa and 221Ac were produced at the IGISOL facility through proton-induced fusion-evaporation reactions and have been studied using α-particle spectroscopy, as well as α−γ and α-electron coincidence spectroscopy. The level scheme of 221Ac, daughter of 225Pa, and of 217Fr, daughter of 221Ac were reconstructed. An interpretation of 221Ac levels as K=5/2± and K=3/2± parity-doublet bands is proposed. Such bands appear in reflection-asymmetric models and would be an indication of a static reflection asymmetric shape for 221Ac.
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2469-9985Asiasanat
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https://converis.jyu.fi/converis/portal/detail/Publication/184428307
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This work is supported in part by the Institut Francais de Finlande, the Embassy of France in Finland, the French Ministry of Higher Education, Research and Innovation, the Finnish Society of Sciences and Letters and the Finnish Academy of Science and Letters. This project has also received funding from the Academy of Finland under Project No. 339245, and from the European Union's Horizon 2020 research and innovation programme under Grant Agreement No. 861198-LISA-H2020-MSCA-ITN-2019 and Grant Agreement No. 771036 (ERC CoG MAIDEN). ...Lisenssi
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