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Evolution of shell-driven fission below the actinides

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dc.contributor.authorBuete, J.en
dc.contributor.authorSwinton-Bland, B. M.A.en
dc.contributor.authorHinde, D. J.en
dc.contributor.authorCook, K. J.en
dc.contributor.authorDasgupta, M.en
dc.contributor.authorBerriman, A. C.en
dc.contributor.authorJeung, D. Y.en
dc.contributor.authorBanerjee, K.en
dc.contributor.authorBezzina, L. T.en
dc.contributor.authorCarter, I. P.en
dc.contributor.authorSengupta, C.en
dc.contributor.authorSimenel, C.en
dc.contributor.authorSimpson, E. C.en
dc.date.accessioned2026-07-03T23:41:16Z
dc.date.available2026-07-03T23:41:16Z
dc.date.issued2025en
dc.description.abstractThe results of a systematic measurement of heavy-ion induced fission of every even-Z nucleus from 144Gd to 212Th (ZCN=64 – 90) along a line of constant N/Z is presented. We identified shell-driven fission in all systems studied. The evolving structure of the fission mass distributions with increasing ZCN and two-dimensional mass-kinetic fitting indicates that deformed proton shell effects in the nascent fission fragments of ZFF=34,36 and ZFF=44,46 as the primary drivers of mass-asymmetric fission in this region. For light systems (ZCN<80) ZFF=34,36 can be seen to drive fission as either the heavy or light fission fragment and also at mass-symmetry with changing ZCN.en
dc.description.sponsorshipThe authors acknowledge support from the Australian Research Council through Discovery Grants No. DP190100256 , No. DP190101442 , No. DP200100601 , No. DP230101028 , and No. DE230100197 . Support for the Heavy Ion Accelerator Facility operations from the Australian National Collaborative Research Infrastructure (NCRIS) HIA project is acknowledged. We thank M.A. Stoyer for his contribution towards running the experiment.en
dc.description.statusPeer-revieweden
dc.identifier.issn0375-9474en
dc.identifier.otherORCID:/0000-0001-8755-2411/work/219176472en
dc.identifier.otherORCID:/0000-0002-4595-0742/work/219176559en
dc.identifier.otherORCID:/0000-0002-5911-1333/work/219178680en
dc.identifier.scopus105009752401en
dc.identifier.urihttps://hdl.handle.net/1885/733812884
dc.language.isoenen
dc.rightsPublisher Copyright: © 2025 The Authorsen
dc.sourceNuclear Physics Aen
dc.subjectDeformed shell effectsen
dc.subjectShell-driven fissionen
dc.subjectSublead fissionen
dc.titleEvolution of shell-driven fission below the actinidesen
dc.typeJournal articleen
dspace.entity.typePublicationen
local.contributor.affiliationBuete, J.; The Australian National Universityen
local.contributor.affiliationSwinton-Bland, B. M.A.; The Australian National Universityen
local.contributor.affiliationHinde, D. J.; The Australian National Universityen
local.contributor.affiliationCook, K. J.; The Australian National Universityen
local.contributor.affiliationDasgupta, M.; The Australian National Universityen
local.contributor.affiliationBerriman, A. C.; The Australian National Universityen
local.contributor.affiliationJeung, D. Y.; The Australian National Universityen
local.contributor.affiliationBanerjee, K.; The Australian National Universityen
local.contributor.affiliationBezzina, L. T.; The Australian National Universityen
local.contributor.affiliationCarter, I. P.; The Australian National Universityen
local.contributor.affiliationSengupta, C.; The Australian National Universityen
local.contributor.affiliationSimenel, C.; The Australian National Universityen
local.contributor.affiliationSimpson, E. C.; The Australian National Universityen
local.identifier.citationvolume1063en
local.identifier.doi10.1016/j.nuclphysa.2025.123174en
local.identifier.pure841a90c0-58c8-4fc4-a777-060ce5d2967ben
local.identifier.urlhttps://www.scopus.com/pages/publications/105009752401en
local.type.statusPublisheden

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