X-ray mass attenuation coefficients and imaginary components of the atomic form factor of zinc over the energy range of 7.2-15.2 keV

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dc.contributor.authorRae, NAen_AU
dc.contributor.authorChantler, CTen_AU
dc.contributor.authorBarnea, Zen_AU
dc.contributor.authorde Jonge, MDen_AU
dc.contributor.authorTran, CQen_AU
dc.contributor.authorHester, JRen_AU
dc.date.accessioned2010-04-19T02:26:05Zen_AU
dc.date.accessioned2010-04-30T05:09:35Zen_AU
dc.date.available2010-04-19T02:26:05Zen_AU
dc.date.available2010-04-30T05:09:35Zen_AU
dc.date.issued2010-02en_AU
dc.date.statistics2010-02en_AU
dc.description.abstractThe x-ray mass attenuation coefficients of zinc are measured in a high-accuracy experiment between 7.2 and 15.2 keV with an absolute accuracy of 0.044% and 0.197%. This is the most accurate determination of any attenuation coefficient on a bending-magnet beamline and reduces the absolute uncertainty by a factor of 3 compared to earlier work by advances in integrated column density determination and the full-foil mapping technique described herein. We define a relative accuracy of 0.006%, which is not the same as either the precision or the absolute accuracy. Relative accuracy is the appropriate parameter for standard implementation of analysis of near-edge spectra. Values of the imaginary components f″ of the x-ray form factor of zinc are derived. Observed differences between the measured mass attenuation coefficients and various theoretical calculations reach a maximum of about 5% at the absorption edge and up to 2% further than 1 keV away from the edge. The measurements invite improvements in the theoretical calculations of mass attenuation coefficients of zinc. © 2010, American Physical Societyen_AU
dc.identifier.citationRae, N. A., Chantler, C. T., Barnea, Z., de Jonge, M. D., Tran, C. Q., & Hester, J. R. (2010). X-ray mass attenuation coefficients and imaginary components of the atomic form factor of zinc over the energy range of 7.2-15.2 keV. Physical Review A, 81(2), 10. doi:10.1103/PhysRevA.81.022904en_AU
dc.identifier.govdoc1617en_AU
dc.identifier.issn1050-2947en_AU
dc.identifier.issue2en_AU
dc.identifier.journaltitlePhysical Review Aen_AU
dc.identifier.pagination10en_AU
dc.identifier.urihttp://dx.doi.org/10.1103/PhysRevA.81.022904en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/3198en_AU
dc.identifier.volume81en_AU
dc.language.isoenen_AU
dc.publisherAmerican Physical Societyen_AU
dc.subjectAttenuationen_AU
dc.subjectZincen_AU
dc.subjectAbsorptionen_AU
dc.subjectAccuracyen_AU
dc.subjectTheoretical dataen_AU
dc.subjectMappingen_AU
dc.titleX-ray mass attenuation coefficients and imaginary components of the atomic form factor of zinc over the energy range of 7.2-15.2 keVen_AU
dc.typeJournal Articleen_AU
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