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Initial Results with Low Energy Single Stage AMS

Published online by Cambridge University Press:  18 July 2016

J B Schroeder ,
T M Hauser ,
G M Klody  and
G A Norton
J B Schroeder
Affiliation:
National Electrostatics Corporation, Middleton, Wisconsin, USA. Email: nec@pelletron.com.
T M Hauser
Affiliation:
National Electrostatics Corporation, Middleton, Wisconsin, USA. Email: nec@pelletron.com.
G M Klody
Affiliation:
National Electrostatics Corporation, Middleton, Wisconsin, USA. Email: nec@pelletron.com.
G A Norton
Affiliation:
National Electrostatics Corporation, Middleton, Wisconsin, USA. Email: nec@pelletron.com.
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Abstract

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The National Electrostatics Corporation has built and tested a prototype low energy, open-air, single stage carbon accelerator mass spectrometry (AMS) system (patent pending). The configuration tested has a standard 40-sample, multi-cathode SNICS source on a 300-kV deck. The beam is mass analyzed before acceleration to a gas stripper located at ground. The 14C+ ions are separated from 13C+ and 12C+ arising from the molecular breakup by a 90° analyzing magnet immediately after the gas stripper which acts as a molecular dissociator. The 14C+ beam passes through an electrostatic spherical analyzer before entering the particle detector. The observed 14C/12C precision is better than 5% with a sensitivity of better than 0.05 dpm/gmC. A first single stage AMS system has been ordered. The configuration of this system will be discussed.

Type
Articles
Information
Radiocarbon , Volume 46 , Issue 1: Proceedings of the 18th International Radiocarbon Conference (Part 1 of 2), Conference Editors: Nancy Beavan Athfield, Rodger J Sparks , 2004 , pp. 1 - 4
Copyright
Copyright © 2004 by the Arizona Board of Regents on behalf of the University of Arizona 

References

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