Sulphur hexafluoride as a stripper gas for tandem accelerators

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dc.contributor.authorHotchkis, MACen_AU
dc.contributor.authorChild, DPen_AU
dc.contributor.authorFink, Den_AU
dc.contributor.authorGarton, Den_AU
dc.contributor.authorLevchenko, VAen_AU
dc.contributor.authorWilcken, KMen_AU
dc.date.accessioned2013-11-25T22:50:35Zen_AU
dc.date.available2013-11-25T22:50:35Zen_AU
dc.date.issued2013-05-01en_AU
dc.date.statistics2013-11-26en_AU
dc.description.abstractWe have investigated sulphur hexafluoride as a stripper gas in tandem accelerators by using the ANTARES accelerator system at ANSTO to measure charge state distributions for this gas. Results are reported at 4 MV terminal voltage for injected negative ions ranging from carbon to uranium oxide. For iodine and thorium the distributions are extended across a range of energies of practical use for accelerator mass spectrometry, ion beam analysis and other accelerator applications. Charge state distributions using sulphur hexafluoride are found to have mean charge states up to I charge unit higher than, and to be broader than, corresponding distributions for argon gas, except in the case of carbon beams. As a result, SF6 is shown to provide significantly higher yields for charge states of heavy ions above the mean charge state. We now perform actinide AMS measurements with 9% yield to the 5+ charge state, compared to 4-5% achieved previously with argon gas. © 2013, Elsevier Ltd.en_AU
dc.identifier.citationHotchkis, M.A.C., Child, D., Fink, D. Garton, D., Levchenko, V., & Wilcken, K. (2013). Sulphur hexafluoride as a stripper gas for tandem accelerators. Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms, 302, 14-18. doi:10.1016/j.nimb.2013.03.029en_AU
dc.identifier.govdoc4983en_AU
dc.identifier.issn0168-583Xen_AU
dc.identifier.journaltitleNuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atomsen_AU
dc.identifier.pagination14-18en_AU
dc.identifier.urihttp://dx.doi.org/10.1016/j.nimb.2013.03.029en_AU
dc.identifier.urihttp://apo.ansto.gov.au/dspace/handle/10238/5002en_AU
dc.identifier.volume302en_AU
dc.language.isoenen_AU
dc.publisherElsevier Science BV.en_AU
dc.subjectMass spectroscopyen_AU
dc.subjectArgonen_AU
dc.subjectCarbonen_AU
dc.subjectGasesen_AU
dc.subjectIonsen_AU
dc.subjectAcceleratorsen_AU
dc.titleSulphur hexafluoride as a stripper gas for tandem acceleratorsen_AU
dc.typeJournal Articleen_AU
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