The next chapter in radiocarbon dating at the Australian National University: Status report on the single stage AMS

S. J. Fallon*, L. K. Fifield, J. M. Chappell

*Corresponding author for this work

    Research output: Contribution to journalArticlepeer-review

    138 Citations (Scopus)

    Abstract

    In February 2007, a single stage AMS from the National Electrostatics Corporation (NEC) was installed at the Research School of Earth Sciences at the Australian National University. This instrument is equipped with a gas/graphite hybrid ion source allowing direct analysis of CO2 as well as traditional graphite targets. The instrument was funded by an Australian Research Council grant and by a consortium of eight universities plus the CSIRO Division of Land and Water. Its purpose is to support integrated environmental and archaeological research and access is open to the wider research community. In the first year ∼1500 samples have been analysed. A precision of ∼3‰ is routinely observed. The background for processed graphite (coal, calcite, Carrera marble) is better than 45,000 years. This paper summarizes the first year of measurements.

    Original languageEnglish
    Pages (from-to)898-901
    Number of pages4
    JournalNuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms
    Volume268
    Issue number7-8
    DOIs
    Publication statusPublished - Apr 2010

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