Author:
Kjeldsen Henrik,Churchman Jessica,Leach Philip,Bronk Ramsey Christopher
Abstract
The performance of the CO2-accepting SO-110 ion source at Oxford Radiocarbon Accelerator Unit has been investigated in detail. The purpose was to clarify the possibilities of accelerator mass spectrometry (AMS) radiocarbon measurements with real-time separation, e.g. GC AMS or HPLC AMS. The construction of a gas test injector based on the continuous-flow technique made it possible to characterize the response of the ion source to continuous and pulsed input of CO2 gas. The source exhibited remarkably good linearity over a wide range of CO2-pulse sizes and fast rise time, but the peak shape varied and memory effects were significant. Appropriate tuning of the gas source proved to be critical.
Publisher
Cambridge University Press (CUP)
Subject
General Earth and Planetary Sciences,Archeology
Cited by
7 articles.
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