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Improved 10Be and 26Al-AMS with a 5 MV spectrometer

Abstract

Detector and ion source changes have increased Be and Al count rates and reduced measurement background at SUERC. Low energy 16 MeV 26Al3+ ions can be separated from interferences by adopting thin silicon nitride membrane detector windows. In contrast, a thick Havar detector window is used to preferentially slow boron ions for simplified 10Be vs. 10B separation without an additional gas cell.

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Nuclear Instruments and Methods in Physics Research, Section B: Beam Interactions with Materials and Atoms

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