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Spectroscopy along flerovium decay chains. III : Details on experiment, analysis, 282Cn, and spontaneous fission branches

dc.contributor.authorSåmark-Roth, A.
dc.contributor.authorCox, D. M.
dc.contributor.authorRudolph, D.
dc.contributor.authorSarmiento, L. G.
dc.contributor.authorAlbertsson, M.
dc.contributor.authorCarlsson, B. G.
dc.contributor.authorEgido, J. L.
dc.contributor.authorGolubev, P.
dc.contributor.authorHeery, J.
dc.contributor.authorYakushev, A.
dc.contributor.authorÅberg, S.
dc.contributor.authorAlbers, H. M.
dc.contributor.authorBlock, M.
dc.contributor.authorBrand, H.
dc.contributor.authorCalverley, T.
dc.contributor.authorCantemir, R.
dc.contributor.authorClark, R. M.
dc.contributor.authorDüllmann, Ch. E.
dc.contributor.authorEberth, J.
dc.contributor.authorFahlander, C.
dc.contributor.authorForsberg, U.
dc.contributor.authorGates, J. M.
dc.contributor.authorGiacoppo, F.
dc.contributor.authorGötz, M.
dc.contributor.authorGötz, S.
dc.contributor.authorHerzberg, R.-D.
dc.contributor.authorHrabar, Y.
dc.contributor.authorJäger, E.
dc.contributor.authorJudson, D.
dc.contributor.authorKhuyagbaatar, J.
dc.contributor.authorKindler, B.
dc.contributor.authorKojouharov, I.
dc.contributor.authorKratz, J. V.
dc.contributor.authorKrier, J.
dc.contributor.authorKurz, N.
dc.contributor.authorLens, L.
dc.contributor.authorLjungberg, J.
dc.contributor.authorLommel, B.
dc.contributor.authorLouko, J.
dc.contributor.authorMeyer, C.-C.
dc.contributor.authorMistry, A.
dc.contributor.authorMokry, C.
dc.contributor.authorPapadakis, P.
dc.contributor.authorParr, E.
dc.contributor.authorPore, J. L.
dc.contributor.authorRagnarsson, I.
dc.contributor.authorRunke, J.
dc.contributor.authorSchädel, M.
dc.contributor.authorSchaffner, H.
dc.contributor.authorSchausten, B.
dc.contributor.authorShaughnessy, D. A.
dc.contributor.authorThörle-Pospiech, P.
dc.contributor.authorTrautmann, N.
dc.contributor.authorUusitalo, J.
dc.date.accessioned2023-04-06T08:56:14Z
dc.date.available2023-04-06T08:56:14Z
dc.date.issued2023
dc.identifier.citationSåmark-Roth, A., Cox, D. M., Rudolph, D., Sarmiento, L. G., Albertsson, M., Carlsson, B. G., Egido, J. L., Golubev, P., Heery, J., Yakushev, A., Åberg, S., Albers, H. M., Block, M., Brand, H., Calverley, T., Cantemir, R., Clark, R. M., Düllmann, C. E., Eberth, J., . . . Uusitalo, J. (2023). Spectroscopy along flerovium decay chains. III : Details on experiment, analysis, 282Cn, and spontaneous fission branches. <i>Physical Review C</i>, <i>107</i>(2), Article 024301. <a href="https://doi.org/10.1103/PhysRevC.107.024301" target="_blank">https://doi.org/10.1103/PhysRevC.107.024301</a>
dc.identifier.otherCONVID_182673678
dc.identifier.urihttps://jyx.jyu.fi/handle/123456789/86293
dc.description.abstractFlerovium isotopes (element Z=114) were produced in the fusion-evaporation reactions 48Ca+242,244Pu and studied with an upgraded TASISpec decay station placed in the focal plane of the gas-filled separator TASCA at the GSI Helmholtzzentrum für Schwerionenforschung in Darmstadt, Germany. Twenty-nine flerovium decay chains were identified by means of correlated implantation, α decay, and spontaneous fission events. Data analysis aspects and statistical assessments, primarily based on measured rates of various events, which laid the foundation for the comprehensive spectroscopic information on the flerovium decay chains, are presented in detail. Various decay scenarios of an excited state observed in 282Cn are examined in depth with the help of GEANT4 simulations and assessed by predictions of beyond mean-field calculations including triaxial shape degrees of freedom. Previous, revised, and newly derived fission probabilities of even-even superheavy nuclei are compared with various theoretical predictions.en
dc.format.mimetypeapplication/pdf
dc.language.isoeng
dc.publisherAmerican Physical Society (APS)
dc.relation.ispartofseriesPhysical Review C
dc.rightsCC BY 4.0
dc.titleSpectroscopy along flerovium decay chains. III : Details on experiment, analysis, 282Cn, and spontaneous fission branches
dc.typearticle
dc.identifier.urnURN:NBN:fi:jyu-202304062424
dc.contributor.laitosFysiikan laitosfi
dc.contributor.laitosDepartment of 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.numberinseries2
dc.relation.volume107
dc.type.versionpublishedVersion
dc.rights.copyright© Authors 2023
dc.rights.accesslevelopenAccessfi
dc.relation.grantnumber654002
dc.relation.grantnumber654002
dc.relation.projectidinfo:eu-repo/grantAgreement/EC/H2020/654002/EU//
dc.subject.ysoydinfysiikka
dc.format.contentfulltext
jyx.subject.urihttp://www.yso.fi/onto/yso/p14759
dc.rights.urlhttps://creativecommons.org/licenses/by/4.0/
dc.relation.doi10.1103/PhysRevC.107.024301
dc.relation.funderEuropean Commissionen
dc.relation.funderEuroopan komissiofi
jyx.fundingprogramResearch infrastructures, H2020en
jyx.fundingprogramResearch infrastructures, H2020fi
jyx.fundinginformationThe results presented here are based on the experiment U310, which was performed at the beam line X8/TASCA at the GSI Helmholtzzentrum für Schwerionenforschung, Darmstadt (Germany) in the frame of FAIR Phase-0. The authors would like to thank the ion-source and accelerator staff at GSI for their supreme efforts. This work has received funding from the European Union's Horizon 2020 research and innovation programme under Grant Agreement No. 654002 (ENSAR2). The 244Pu target material was provided by the U.S. DOE through ORNL. The Lund group is indebted to decisive support from the Knut and Alice Wallenberg foundation (KAW 2015.0021), and we highly appreciate the possibility to collaborate with the workshops at IKP Köln. This work was also supported by the Swedish Research Council (Vetenskapsrådet, VR 2016-3969), the Royal Physiographic Society in Lund, the Spanish Ministerio de Ciencia e Inovación under Contract No. FPA2017-84756-C4-2-P, the German BMBF (05P18UMFN2), the U.S. DOE under Contract No. DE-AC02-05CH11231 (LBNL), and the UK STFC. A.S.-R., D.M.C., and D.R. are grateful for discussions with A. Jungclaus, CSIC Madrid, and support from T. Kibédi, ANU, Canberra.
dc.type.okmA1


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