AMS Measurement of 32si at the China Institute of Atomic Energy (CIAE)
Nuclear instruments and methods in physics research Section B, Beam interactions with materials and atoms/Nuclear instruments & methods in physics research Section B, Beam interactions with materials and atoms（2013）
Abstract
A method for AMS measurement of 32Si has been established at CIAE with the HI-13 Tandem Accelerator and the newly developed ΔE-Q3D detection system. The production of 32Si, the preparation of a set of 32Si reference samples, and their subsequent analysis with the new system are described in detail. An overall suppression factor of more than 1012 for the interfering isobar 32S, resulting in a detection sensitivity below 32Si/Si=5×10−15, has been demonstrated for a limited set of artificially produced samples.
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Key words
Si-32,AMS,Delta E-Q3D
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