Atomic alignment of 73⁢Ta, 74⁢W, and 79⁢Au after 𝐿3 subshell ionization by 10–100-keV electron impact

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dc.contributor.authorBarros, Suelen F.
dc.contributor.authorVanin, V.R.
dc.contributor.authorMangiarotti, A.
dc.contributor.authorMaidana, N.L.
dc.contributor.authorFernández Varea, José María
dc.date.accessioned2025-02-03T16:24:50Z
dc.date.available2025-02-03T16:24:50Z
dc.date.issued2019-01-01
dc.date.updated2025-02-03T16:24:50Z
dc.description.abstractThe alignment parameter A20 of 73Ta, 74W, and 79Au ions after L3 subshell ionization by electron impact has been determined experimentally and theoretically in the wide energy range (1.02-10.2)EL3, where EL3 is the L3 ionization threshold. The A20 values have been deduced from measurements of the Ll (L3 → M1), Lα2 (L3 → M4), and Lα1 (L3 → M5) x-ray angular distributions using thin targets. The beam energies have been selected above the threshold energy of each L subshell in order to also investigate the influence of the Coster-Kronig transitions on the anisotropy of x-ray emission. The results provide a clear indication of alignment and agree with calculations carried out within the plane-wave Born approximation up to about 6EL3 , but an unpredicted inversion in the sign of A20 is observed above this energy.
dc.format.extent14 p.
dc.format.mimetypeapplication/pdf
dc.identifier.idgrec698136
dc.identifier.issn2469-9926
dc.identifier.urihttps://hdl.handle.net/2445/218457
dc.language.isoeng
dc.publisherAmerican Physical Society
dc.relation.isformatofReproducció del document publicat a: https://doi.org/10.1103/PhysRevA.100.062705
dc.relation.ispartofPhysical Review A, 2019, vol. 100, p. 1-14
dc.relation.urihttps://doi.org/10.1103/PhysRevA.100.062705
dc.rights(c) American Physical Society, 2019
dc.rights.accessRightsinfo:eu-repo/semantics/openAccess
dc.sourceArticles publicats en revistes (Física Quàntica i Astrofísica)
dc.subject.classificationElectrons
dc.subject.classificationEnergia
dc.subject.classificationIonització
dc.subject.otherElectrones
dc.subject.otherEnergy
dc.subject.otherIonization
dc.titleAtomic alignment of 73⁢Ta, 74⁢W, and 79⁢Au after 𝐿3 subshell ionization by 10–100-keV electron impact
dc.typeinfo:eu-repo/semantics/article
dc.typeinfo:eu-repo/semantics/publishedVersion

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