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Interstellar Fe 60 in Antarctica

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dc.contributor.authorKoll, Dominik
dc.contributor.authorKorschinek, Gunther
dc.contributor.authorFaestermann, T.
dc.contributor.authorGomez-Guzman, J.M.
dc.contributor.authorKipfstuhl, Sepp
dc.contributor.authorMerchel, Silke
dc.contributor.authorWelch, Jan M.
dc.date.accessioned2023-09-05T23:32:03Z
dc.date.available2023-09-05T23:32:03Z
dc.date.issued2019
dc.date.updated2022-07-31T08:16:46Z
dc.description.abstractEarth is constantly bombarded with extraterrestrial dust containing invaluable information about extraterrestrial processes, such as structure formation by stellar explosions or nucleosynthesis, which could be traced back by long-lived radionuclides. Here, we report the very first detection of a recent 60Fe influx onto Earth by analyzing 500 kg of snow from Antarctica by accelerator mass spectrometry. By the measurement of the cosmogenically produced radionuclide 53Mn, an atomic ratio of 60Fe=53Mn = 0.017 was found, significantly above cosmogenic production. After elimination of possible terrestrial sources, such as global fallout, the excess of 60Fe could only be attributed to interstellar 60Fe which might originate from the solar neighborhood.en_AU
dc.format.mimetypeapplication/pdfen_AU
dc.identifier.issn0031-9007en_AU
dc.identifier.urihttp://hdl.handle.net/1885/298253
dc.language.isoen_AUen_AU
dc.provenancehttps://v2.sherpa.ac.uk/id/publication/13640/..."published version can be archived in institutional repository" from SHERPA/RoMEO site as at 06/09/2023en_AU
dc.publisherAmerican Physical Societyen_AU
dc.rights© 2019 The authorsen_AU
dc.sourcePhysical Review Lettersen_AU
dc.titleInterstellar Fe 60 in Antarcticaen_AU
dc.typeJournal articleen_AU
dcterms.accessRightsOpen Accessen_AU
local.bibliographicCitation.issue7en_AU
local.bibliographicCitation.lastpage6en_AU
local.bibliographicCitation.startpage1en_AU
local.contributor.affiliationKoll, Dominik, College of Science, ANUen_AU
local.contributor.affiliationKorschinek, Gunther, Technical University of Munichen_AU
local.contributor.affiliationFaestermann, T., Technical University of Munichen_AU
local.contributor.affiliationGomez-Guzman, J.M., Technical University of Munichen_AU
local.contributor.affiliationKipfstuhl, Sepp, Alfred Wegener Institute for Polar and Marine Researchen_AU
local.contributor.affiliationMerchel, Silke, Helmholtz-Zentrum Dresden-Rossendorf (HZDR)en_AU
local.contributor.affiliationWelch, Jan M., TU Wienen_AU
local.contributor.authoruidKoll, Dominik, u6818102en_AU
local.description.notesImported from ARIESen_AU
local.identifier.absfor510600 - Nuclear and plasma physicsen_AU
local.identifier.absseo280120 - Expanding knowledge in the physical sciencesen_AU
local.identifier.ariespublicationa383154xPUB11691en_AU
local.identifier.citationvolume123en_AU
local.identifier.doi10.1103/PhysRevLett.123.072701en_AU
local.identifier.scopusID2-s2.0-85070931575
local.identifier.thomsonIDWOS:000480393300004
local.publisher.urlhttps://journals.aps.org/en_AU
local.type.statusPublished Versionen_AU

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