Vibrationally Resolved Absorption and Fluorescence Cross Sections of Adamantane in the Far-ultraviolet Spectral Range on an Absolute Scale

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dc.date.accessioned2023-10-06T13:31:11Z
dc.date.available2023-10-06T13:31:11Z
dc.date.issued2023-07-20
dc.description.sponsorshipGefördert durch den Publikationsfonds der Universität Kasselger
dc.identifierdoi:10.17170/kobra-202309118758
dc.identifier.urihttp://hdl.handle.net/123456789/15105
dc.language.isoeng
dc.relation.doidoi:10.3847/1538-4365/acd9b4
dc.rightsNamensnennung 4.0 International*
dc.rights.urihttp://creativecommons.org/licenses/by/4.0/*
dc.subjectultraviolet surveyseng
dc.subjectultraviolet spectroscopyeng
dc.subjecthigh resolution spectroscopyeng
dc.subjectmolecular spectroscopyeng
dc.subjectphotoionizationeng
dc.subjectinterstellar moleculeseng
dc.subject.ddc530
dc.subject.ddc620
dc.subject.swdUltraviolettspektroskopieger
dc.subject.swdMolekülspektroskopieger
dc.subject.swdFotoionisationger
dc.subject.swdInterstellares Molekülger
dc.subject.swdFluoreszenzger
dc.subject.swdAbsorptionger
dc.titleVibrationally Resolved Absorption and Fluorescence Cross Sections of Adamantane in the Far-ultraviolet Spectral Range on an Absolute Scaleeng
dc.typeAufsatz
dc.type.versionpublishedVersion
dcterms.abstractHigh-resolution absorption, dispersed fluorescence emission, and photoionization cross sections are presented for gas-phase adamantane excited by synchrotron radiation in the exciting-photon energy range of 6–30 eV. Relative and absolute absorption cross sections of so-far unmatched resolution of down to 0.27 cm−¹ line width in the region from 6.4–28 eV are shown along with newly discovered vibronic substructures around the HOMO–LUMO transition. Absorption line positions are provided with very high accuracy and listed in tabular form to be used as spectral fingerprints for the detection of adamantane in interstellar media, where its column density may be determined via the absolute cross sections. The fluorescence emission lies in the ultraviolet range from 190–250 nm and is excited starting at the HOMO–LUMO transition at 6.49 eV, which corresponds to the highest fluorescence emission energy. Hitherto unreported fluorescence in the same spectral range and relative photoionization cross sections in the exciting-photon energy range up to 30 eV are also presented along with lifetime measurements for differentiation of the involved electronic states.eng
dcterms.accessRightsopen access
dcterms.creatorMarder, Lutz
dcterms.creatorBreier, Alexander Axel
dcterms.creatorOliveira, Nelson de
dcterms.creatorReiß, Philipp
dcterms.creatorOzga, Christian
dcterms.creatorKüstner-Wetekam, Catmarna
dcterms.creatorGiesen, Thomas
dcterms.creatorNahon, Laurent
dcterms.creatorHans, Andreas
dcterms.creatorKnie, André
dcterms.creatorEhresmann, Arno
dcterms.creatorSchmidt, Philipp
dcterms.source.identifiereissn:1538-4365
dcterms.source.issueNumber 2
dcterms.source.journalThe Astrophysical Journal Supplementeng
dcterms.source.volumeVolume 267
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