Results of the acceptance test on Tandetron II in DMRC

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  • 名古屋大学タンデトロン2号機のアクセプタンステスト結果

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Abstract

Tandetron II in DMRC (Model-4130 AMS, HVEE) is an accelerator mass spectrometer for the ^<14>C dating. The tuning up had been repeated many times after the installation. Finally, the "Acceptance Test", the test to estimate the measurement accuracy of spectrometer itself, was performed on 22 and 23 January, 1999. The results of the test and the accuracy specification are shown in Table 2. The measurement accuracies for the ^<14>C/^<12>C and ^<13>C/^<12>C ratio is quite good and well within the specification. Tandetron II proved it's high accuracy, high statistics and high reproducability of the measurement. It is also very stable during long time measurement. Tandetron II is now at the starting point of the measurement. It should need, however, further checking and tuning up by measuring the known samples. The routine measurement is expected to start from the summer in 1999.

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