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26 Al measurements with 10 Be counting statistics

Fifield, L Keith; Tims, Stephen; Gladkis, Laura; Morton, Clyde


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...[Show more]

CollectionsANU Research Publications
Date published: 2007
Type: Journal article
Source: Nuclear Instruments and Methods in Physics Research: Section B
DOI: 10.1016/j.nimb.2007.01.156


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