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Limits on Supernova-Associated Fe 60/Al 26 Nucleosynthesis Ratios from Accelerator Mass Spectrometry Measurements of Deep-Sea Sediments

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dc.contributor.authorFeige, J.
dc.contributor.authorWallner, Anton
dc.contributor.authorAltmeyer, Randolf
dc.contributor.authorFifield, L Keith
dc.contributor.authorGolser, Robin
dc.contributor.authorMerchel, S.
dc.contributor.authorRugel, G.
dc.contributor.authorSteier, Peter
dc.contributor.authorTims, Stephen
dc.contributor.authorWinkler, S. R.
dc.date.accessioned2020-02-10T00:17:31Z
dc.date.available2020-02-10T00:17:31Z
dc.date.issued2018-11-27
dc.date.updated2019-11-25T07:30:16Z
dc.description.abstractWe searched for the presence of Al26 in deep-sea sediments as a signature of supernova influx. Our data show an exponential dependence of Al26 with the sample age that is fully compatible with radioactive decay of terrigenic Al26. The same set of samples demonstrated a clear supernova Fe60 signal between 1.7 and 3.2 Myr ago. Combining our Al26 data with the recently reported Fe60 data results in a lower limit of 0.18-0.08+0.15 for the local interstellar Fe60/Al26 isotope ratio. It compares to most of the ratios deduced from nucleosynthesis models and is within the range of the observed average galactic Fe60/Al26 flux ratio of (0.15±0.05).en_AU
dc.description.sponsorshipThis work was funded in part by the Austrian Science Fund (FWF), Projects No. P20434 and No. I428 (EUROCORES project EuroGENESIS, subproject CoDustMas), by BMBF Project No. 05K2016, DAAD (56266169), and by the University of Vienna.en_AU
dc.format.mimetypeapplication/pdfen_AU
dc.identifier.issn0031-9007en_AU
dc.identifier.urihttp://hdl.handle.net/1885/201559
dc.language.isoen_AUen_AU
dc.provenancehttp://sherpa.ac.uk/romeo/issn/0031-9007/..."author can archive publisher's version/PDF on author's personal website, employer's website or institutional repository" from SHERPA/RoMEO site (as at 10.2.20)en_AU
dc.publisherAmerican Physical Societyen_AU
dc.rights© 2018 American Physical Societyen_AU
dc.sourcePhysical Review Lettersen_AU
dc.titleLimits on Supernova-Associated Fe 60/Al 26 Nucleosynthesis Ratios from Accelerator Mass Spectrometry Measurements of Deep-Sea Sedimentsen_AU
dc.typeJournal articleen_AU
dcterms.accessRightsOpen Accessen_AU
local.bibliographicCitation.issue22en_AU
local.bibliographicCitation.lastpage6en_AU
local.bibliographicCitation.startpage1en_AU
local.contributor.affiliationFeige, J., University of Viennaen_AU
local.contributor.affiliationWallner, Anton, College of Science, ANUen_AU
local.contributor.affiliationAltmeyer, Randolf, Humboldt-Universität zu Berlinen_AU
local.contributor.affiliationFifield, L. Keith, College of Science, ANUen_AU
local.contributor.affiliationGolser, Robin, University of Viennaen_AU
local.contributor.affiliationMerchel, S., Helmholtz Institute Freiberg for Resource Technologyen_AU
local.contributor.affiliationRugel, G., Helmholtz Institute Freiberg for Resource Technologyen_AU
local.contributor.affiliationSteier, Peter, University of Viennaen_AU
local.contributor.affiliationTims, Stephen, College of Science, ANUen_AU
local.contributor.affiliationWinkler, S. R., University of Viennaen_AU
local.contributor.authoruidWallner, Anton, u5124538en_AU
local.contributor.authoruidFifield, L. Keith, u8100341en_AU
local.contributor.authoruidTims, Stephen, u4013304en_AU
local.description.notesImported from ARIESen_AU
local.identifier.absfor020202 - Nuclear Physicsen_AU
local.identifier.absfor020106 - High Energy Astrophysics; Cosmic Raysen_AU
local.identifier.absfor020299 - Atomic, Molecular, Nuclear, Particle and Plasma Physics not elsewhere classifieden_AU
local.identifier.absseo970102 - Expanding Knowledge in the Physical Sciencesen_AU
local.identifier.ariespublicationu3102795xPUB124en_AU
local.identifier.citationvolume121en_AU
local.identifier.doi10.1103/PhysRevLett.121.221103en_AU
local.identifier.scopusID2-s2.0-85057791894
local.publisher.urlhttps://journals.aps.orgen_AU
local.type.statusPublished Versionen_AU

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