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Performance report for the low energy compact radiocarbon accelerator mass spectrometer at Uppsala University
Uppsala University, Disciplinary Domain of Science and Technology, Physics, Department of Physics and Astronomy, Applied Nuclear Physics.
Uppsala University, Disciplinary Domain of Science and Technology, För teknisk-naturvetenskapliga fakulteten gemensamma enheter, Tandem Laboratory.
Uppsala University, Disciplinary Domain of Science and Technology, För teknisk-naturvetenskapliga fakulteten gemensamma enheter, Tandem Laboratory.
ETH, Ion Phys, Otto Stern Weg 5, CH-8093 Zurich, Switzerland..
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2016 (English)Conference paper (Refereed)Text
Abstract [en]

A range of ion beam analysis activities are ongoing at Uppsala University, including Accelerator Mass Spectrometry (AMS). Various isotopes are used for AMS but the isotope with the widest variety of applications is radiocarbon. Up until recently, only the 5 MV Pelletron tandem accelerator had been used at our site for radiocarbon AMS, ordinarily using 12 MeV C-14,13,12(3+) ions. Recently a new radiocarbon AMS system, the Green-MICADAS, developed at the ion physics group at ETH Zurich, was installed. The system has a number of outstanding features which will be described. The system operates at a terminal voltage of 175 kV and uses helium stripper gas, extracting singly charged carbon ions. The low- and high energy mass spectrometers in the system are stigmatic dipole permanent magnets (0.42 and 0.97 T) requiring no electrical power nor cooling water. The system measures both the C-14/C-12 and the C-13/C-12 ratios on-line. Performance of the system is presented for both standard mg samples as well as mu g-sized samples.

Place, publisher, year, edition, pages
2016. Vol. 371, 360-364 p.
Keyword [en]
Uppsala, Accelerator Mass Spectrometry, Green MICADAS, Ultra small samples, Biomedical
National Category
Accelerator Physics and Instrumentation
Identifiers
URN: urn:nbn:se:uu:diva-295579DOI: 10.1016/j.nimb.2015.10.034ISI: 000373412000072OAI: oai:DiVA.org:uu-295579DiVA: diva2:941157
Conference
22nd International Conference on Ion Beam Analysis (IBA), JUN 14-19, 2015, Opatija, CROATIA
Available from: 2016-06-22 Created: 2016-06-08 Last updated: 2016-07-15Bibliographically approved

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Salehpour, MehranHåkansson, KarlPossnert, Göran
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