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The 146Sm half-life re-measured: consolidating the chronometer for events in the early Solar System

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dc.contributor.authorChiera, Nadine M.en
dc.contributor.authorSprung, Peteren
dc.contributor.authorAmelin, Yurien
dc.contributor.authorDressler, Rugarden
dc.contributor.authorSchumann, Dorotheaen
dc.contributor.authorTalip, Zeynepen
dc.date.accessioned2025-05-23T15:27:45Z
dc.date.available2025-05-23T15:27:45Z
dc.date.issued2024en
dc.description.abstractThe half-life of the extinct radiolanthanide 146Sm, important for both geochronological and astrophysical applications, was re-determined by a combination of mass spectrometry and α-decay counting. Earlier studies provided only limited information on all potential factors that could influence the quantification of the half-life of 146Sm. Thus, special attention was given here to a complete documentation of all experimental steps to provide information about any possible artifacts in the data analysis. The half-life of 146Sm was derived to be 92.0 Ma ± 2.6 Ma, with an uncertainty coverage factor of k=1.en
dc.description.sponsorshipThis project is funded by the Swiss National Science Foundation (SNF Grant No. 200021-159738).en
dc.description.statusPeer-revieweden
dc.identifier.issn2045-2322en
dc.identifier.otherPubMed:39090187en
dc.identifier.scopus85200260796en
dc.identifier.urihttp://www.scopus.com/inward/record.url?scp=85200260796&partnerID=8YFLogxKen
dc.identifier.urihttps://hdl.handle.net/1885/733752603
dc.language.isoenen
dc.rightsPublisher Copyright: © The Author(s) 2024.en
dc.sourceScientific Reportsen
dc.subject146Sm half-lifeen
dc.subjectEarly solar system isotopic chronometeren
dc.subjectIsotopic datingen
dc.subjectMC-ICP-MSen
dc.subjectTIMSen
dc.subjectα-Spectrometryen
dc.titleThe 146Sm half-life re-measured: consolidating the chronometer for events in the early Solar Systemen
dc.typeJournal articleen
dspace.entity.typePublicationen
local.contributor.affiliationChiera, Nadine M.; Paul Scherrer Instituteen
local.contributor.affiliationSprung, Peter; Paul Scherrer Instituteen
local.contributor.affiliationAmelin, Yuri; Isotope Geochemistry, Research School of Earth Sciences, ANU College of Science and Medicine, The Australian National Universityen
local.contributor.affiliationDressler, Rugard; Paul Scherrer Instituteen
local.contributor.affiliationSchumann, Dorothea; Paul Scherrer Instituteen
local.contributor.affiliationTalip, Zeynep; Paul Scherrer Instituteen
local.identifier.citationvolume14en
local.identifier.doi10.1038/s41598-024-64104-6en
local.identifier.puree4a9559f-0f02-40c7-8665-2f07dd3ddb5ben
local.identifier.urlhttps://www.scopus.com/pages/publications/85200260796en
local.type.statusPublisheden

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