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AMS Measurement of ~(26)Al by Second Stripping Method

Weiming Wu

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Abstract

An AMS measurement of 26Al was performed by second stripping method based on Beijing Q3D magnetic spectrometer at the HI-13 tandem accelerator of China Institute of Atomic Energy.High beam current of 27AlO-and high suppress factor of 26Mg were obtained by second stripping method,so the measurement efficiency was improved.An effective detection limit of 4 10-14 for the 26Al/27Al ratio was obtained in the preliminary experiment.The experimental results were analyzed,and some techniques to increase the sensitivity were discussed.

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What this paper is about

An AMS measurement of 26Al was performed by second stripping method based on Beijing Q3D magnetic spectrometer at the HI-13 tandem accelerator of China Institute of Atomic Energy.High beam current of 27AlO-and high suppress factor of 26Mg were obtained by second stripping method,so the measurement efficiency was improved.An effective detection limit of 4 10-14 for the 26Al/27Al ratio was obtained in the preliminary experiment.The experimental results were analyzed,and some techniques to increase the sensitivity were discussed.

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Available abstract

An AMS measurement of 26Al was performed by second stripping method based on Beijing Q3D magnetic spectrometer at the HI-13 tandem accelerator of China Institute of Atomic Energy.High beam current of 27AlO-and high suppress factor of 26Mg were obtained by second stripping method,so the measurement efficiency was improved.An effective detection limit of 4 10-14 for the 26Al/27Al ratio was obtained in the preliminary experiment.The experimental results were analyzed,and some techniques to increase the sensitivity were discussed.

Key concepts: Stripping (fiber), Tandem accelerator, Spectrometer, Sensitivity (control systems), Analytical Chemistry (journal), Tandem, Materials science, Nuclear engineering

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