Performance of the 1 MV Accelerator Mass Spectrometry system at the Centro Nacional de Aceleradores for the analysis of 233U at environmental levels

Nuclear Instruments and Methods in Physics Research Section B: Beam Interactions with Materials and Atoms（2022）

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摘要

•233U/238U abundance sensitivity at the 5 × 10−11 level demonstrated at the 1 MV CNA AMS system.•232Th3+, 234U3+ and 235U3+ scattered molecular fragments determine the 233U background levels at the CNA.•IAEA reference materials (soils and sediments) studied at the 600 kV ETH and CNA facilities.

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关键词

233U,236U,AMS,IAEA reference materials,ETH,CNA

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