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Single-particle states and parity doublets in odd-Z 221Ac and 225Pa from α-decay spectroscopy

dc.contributor.authorParr, E.
dc.contributor.authorSmith, J. F.
dc.contributor.authorGreenlees, P. T.
dc.contributor.authorButler, P. A.
dc.contributor.authorAuranen, K.
dc.contributor.authorChapman, R.
dc.contributor.authorCox, D. M.
dc.contributor.authorCullen, D. M.
dc.contributor.authorGaffney, L. P.
dc.contributor.authorGrahn, T.
dc.contributor.authorGregor, E. T.
dc.contributor.authorGrocutt, L.
dc.contributor.authorHerzáň, A.
dc.contributor.authorHerzberg, R.-D.
dc.contributor.authorHodge, D.
dc.contributor.authorJakobsson, U.
dc.contributor.authorJulin, R.
dc.contributor.authorJuutinen, S.
dc.contributor.authorKeatings, J. M.
dc.contributor.authorKonki, J.
dc.contributor.authorLeino, M.
dc.contributor.authorMcKee, P. P.
dc.contributor.authorMcPeake, C.
dc.contributor.authorMengoni, D.
dc.contributor.authorMistry, A. K.
dc.contributor.authorNara Singh, B. S.
dc.contributor.authorO'Neill, G. G.
dc.contributor.authorPakarinen, J.
dc.contributor.authorPapadakis, P.
dc.contributor.authorPartanen, J.
dc.contributor.authorPeura, P.
dc.contributor.authorRahkila, P.
dc.contributor.authorRuotsalainen, P.
dc.contributor.authorSandzelius, M.
dc.contributor.authorSarén, J.
dc.contributor.authorScheck, M.
dc.contributor.authorScholey, C.
dc.contributor.authorSiciliano, M.
dc.contributor.authorSmolen, M.
dc.contributor.authorSorri, J.
dc.contributor.authorSpagnoletti, P.
dc.contributor.authorSpohr, K. M.
dc.contributor.authorStolze, S.
dc.contributor.authorTaylor, M. J.
dc.contributor.authorUusitalo, J.
dc.date.accessioned2022-04-20T12:36:14Z
dc.date.available2022-04-20T12:36:14Z
dc.date.issued2022
dc.identifier.citationParr, E., Smith, J. F., Greenlees, P. T., Butler, P. A., Auranen, K., Chapman, R., Cox, D. M., Cullen, D. M., Gaffney, L. P., Grahn, T., Gregor, E. T., Grocutt, L., Herzáň, A., Herzberg, R.-D., Hodge, D., Jakobsson, U., Julin, R., Juutinen, S., Keatings, J. M., . . . Uusitalo, J. (2022). Single-particle states and parity doublets in odd-Z 221Ac and 225Pa from α-decay spectroscopy. <i>Physical Review C</i>, <i>105</i>(3), Article 034303. <a href="https://doi.org/10.1103/PhysRevC.105.034303" target="_blank">https://doi.org/10.1103/PhysRevC.105.034303</a>
dc.identifier.otherCONVID_117814588
dc.identifier.urihttps://jyx.jyu.fi/handle/123456789/80652
dc.description.abstractLow-lying states in the odd-Z isotopes 22189Ac132 and 22591Pa134 have been studied using α-particle and αγ-coincidence spectroscopy in the 225Pa→221Ac→217Fr decay chain. Ground-state spin and parity assignments of Iπ = 5/2− are proposed for both 221Ac and 225Pa, with the odd proton occupying the Ω = 5/2 orbital of the quadrupole-octupole deformed shell model in both nuclei. In 221Ac, excited states in the bands based on the Ω = 5/2 and Ω = 3/2 orbitals have been identified, including proposed parity-doublet states. The results suggest that reflection-asymmetric deformation of the ground state persists in the odd-A members of the isotope chains down to N = 132 for Ac and N = 134 for Pa, before reaching the transitional region at N = 130.en
dc.format.mimetypeapplication/pdf
dc.language.isoeng
dc.publisherAmerican Physical Society (APS)
dc.relation.ispartofseriesPhysical Review C
dc.rightsIn Copyright
dc.titleSingle-particle states and parity doublets in odd-Z 221Ac and 225Pa from α-decay spectroscopy
dc.typeresearch article
dc.identifier.urnURN:NBN:fi:jyu-202204202334
dc.contributor.laitosFysiikan laitosfi
dc.contributor.laitosDepartment of Physicsen
dc.contributor.oppiaineKiihdytinlaboratoriofi
dc.contributor.oppiaineFysiikkafi
dc.contributor.oppiaineYdin- ja kiihdytinfysiikan huippuyksikköfi
dc.contributor.oppiaineAccelerator Laboratoryen
dc.contributor.oppiainePhysicsen
dc.contributor.oppiaineCentre of Excellence in Nuclear and Accelerator Based Physicsen
dc.type.urihttp://purl.org/eprint/type/JournalArticle
dc.type.coarhttp://purl.org/coar/resource_type/c_2df8fbb1
dc.description.reviewstatuspeerReviewed
dc.relation.issn2469-9985
dc.relation.numberinseries3
dc.relation.volume105
dc.type.versionpublishedVersion
dc.rights.copyright© 2022 American Physical Society
dc.rights.accesslevelopenAccessfi
dc.type.publicationarticle
dc.subject.ysoydinfysiikka
dc.format.contentfulltext
jyx.subject.urihttp://www.yso.fi/onto/yso/p14759
dc.rights.urlhttp://rightsstatements.org/page/InC/1.0/?language=en
dc.relation.doi10.1103/PhysRevC.105.034303
jyx.fundinginformationThis work is supported in part by the following bodies: STFC (UK) under Grants No. ST/L005808/1 and No. ST/P005101/1 (UWS); the EU 7th Framework Programme, Integrating Activities Transnational Access, Project No. 262010 (ENSAR); the Academy of Finland under the Finnish Centre of Excellence Programme (Nuclear and Accelerator Based Physics Programme at JYFL); the Scottish Universities Physics Alliance, Glasgow, United Kingdom (SUPA); the Slovak Research and Development Agency under Contract No. APVV-20-0532; the Slovak grant agency VEGA (Contract No. 2/0067/21); and the project ITMS code 26210120023, supported by the Research and Development Operational Programme funded by ERDF. The authors would also like to acknowledge GAMMAPOOL support for the JUROGAM HPGe detectors.
dc.type.okmA1


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