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Manganese-53: Development of the AMS technique for exposure-age dating applications

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


The cosmogenic isotope 53Mn is produced by spallation of iron in surface rocks. The long half life of this isotope makes it attractive for use in erosion rate studies in slowly eroding landscapes such as Australia. We describe the development of AMS methods for detection of 53Mn using the 14UD accelerator at the Australian National University. The first step of this development involved the production of 53Mn using a heavy-ion fusion-evaporation reaction to make test standards. Then, 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.2007.01.233


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