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Contribution of the Breit Interaction to Electron Scattering from Heavy Atoms

Demesie, A.M.; Darewych, J.; McEachran, Robert; Stauffer, A D

Description

We have investigated the contribution that the frequency-independent magnetic term of the Breit interaction makes to electron scattering from heavy, closed-shell atoms at low and intermediate energies. We treat the Breit interaction as a perturbation to the scattering phase shifts calculated within a consistently relativistic approximation via the Hulthén-Kato scattering identity. Results are presented for scattering from both xenon and mercury. Although the Breit interaction makes a noticeable...[Show more]

dc.contributor.authorDemesie, A.M.
dc.contributor.authorDarewych, J.
dc.contributor.authorMcEachran, Robert
dc.contributor.authorStauffer, A D
dc.date.accessioned2015-12-13T23:08:08Z
dc.date.available2015-12-13T23:08:08Z
dc.identifier.issn0953-4075
dc.identifier.urihttp://hdl.handle.net/1885/86530
dc.description.abstractWe have investigated the contribution that the frequency-independent magnetic term of the Breit interaction makes to electron scattering from heavy, closed-shell atoms at low and intermediate energies. We treat the Breit interaction as a perturbation to the scattering phase shifts calculated within a consistently relativistic approximation via the Hulthén-Kato scattering identity. Results are presented for scattering from both xenon and mercury. Although the Breit interaction makes a noticeable contribution to the scattering phase shift, in most cases the difference is not significant on the scale of the accuracy of current experimental measurements. However, we have identified one situation where the differences are large enough that they might be resolved in future experiments.
dc.publisherInstitute of Physics Publishing
dc.sourceJournal of Physics B: Atomic, Molecular and Optical Physics
dc.subjectKeywords: Atomic physics; Electron scattering; Frequencies; Phase shift; Heavy atoms; Electron optics
dc.titleContribution of the Breit Interaction to Electron Scattering from Heavy Atoms
dc.typeJournal article
local.description.notesImported from ARIES
local.description.refereedYes
local.identifier.citationvolume36
dc.date.issued2003
local.identifier.absfor020201 - Atomic and Molecular Physics
local.identifier.ariespublicationMigratedxPub15437
local.type.statusPublished Version
local.contributor.affiliationDemesie, A.M., York University
local.contributor.affiliationDarewych, J., York University
local.contributor.affiliationMcEachran, Robert, College of Physical and Mathematical Sciences, ANU
local.contributor.affiliationStauffer, A D, York University
local.bibliographicCitation.startpage665
local.bibliographicCitation.lastpage674
local.identifier.doi10.1088/0953-4075/36/4/301
dc.date.updated2015-12-12T08:12:20Z
local.identifier.scopusID2-s2.0-0037469735
CollectionsANU Research Publications

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