26Al measurements with 10Be counting statistics

L. K. Fifield*, S. G. Tims, L. G. Gladkis, C. R. Morton

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    32 Citations (Scopus)


    The potential of the 26Al isotope for exposure and burial dating applications has not been fully realized to date due to the low efficiency for producing the Al- ion in negative ion sources. Here, we show that it is possible to use the AlO- ion instead, which is produced an order of magnitude more efficiently, provided that a gas-filled magnet is employed to reduce the intense flux of 26Mg ions at the detector. It is then possible to achieve comparable counting statistics for 26Al as for the much more widely used 10Be.

    Original languageEnglish
    Pages (from-to)178-183
    Number of pages6
    JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
    Issue number1
    Publication statusPublished - Jun 2007


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