TÜBİTAK 1MV Accelerator Mass Spectrometer Designed For 14C, 10Be, 26Al, 41Ca, 129I

Turhan DOĞAN, Erhan İLKMEN, Furkan KULAK

Radiocarbon, Radiocarbon Dating, Accelerator Mass Spectrometer, Accelerated Mass Spectroscopy


A 1MV Accelerator Mass Spectrometer (AMS) was installed at TÜBİTAK, MRC Turkey in
December 2015. The 1MV TÜBİTAK AMS system is based on a Pelletron tandem accelerator,
operating up to 1.1MV. Built by National Electrostatics Corporation (NEC), its design was unique
during production time. The TÜBİTAK 1MV AMS is based off the design of an XCAMS 0.5MV
AMS also produced by NEC, but with a higher energy tandem accelerator. The higher energy
accelerator features better precision (1% or less) for 10Be measurements. This new AMS also has
larger magnets than the XCAMS. Larger magnets make it possible to measure 41Ca and 129I at
the two-anode gas-ionization detector. In this article, the technical features; the parameters of ion
source, terminal and other operations, and measurement quality are explained for accomplished
performance of the five isotopic ratios, 14C/12C, 10Be/9Be, 26Al/27Al, 41Ca/40Ca, 129I/127I. The five
years data for 14C/12C ratio measurement quality control are represented as well.

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