Krypton assay in xenon at the ppq level using a gas chromatographic system 
combined with a mass spectrometer

Lindemann, Sebastian; Simgen, Hardy

doi:10.1140/epjc/s10052-014-2746-1

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Krypton assay in xenon at the ppq level using a gas chromatographic system combined with a mass spectrometer

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Lindemann, Sebastian
Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society;

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Simgen, Hardy
Division Prof. Dr. Manfred Lindner, MPI for Nuclear Physics, Max Planck Society;

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Citation

Lindemann, S., & Simgen, H. (2014). Krypton assay in xenon at the ppq level using a gas chromatographic system combined with a mass spectrometer. The European Physical Journal C: Particles and Fields, 74: 2746. doi:10.1140/epjc/s10052-014-2746-1.

Cite as: https://hdl.handle.net/11858/00-001M-0000-0014-73AB-C

Abstract

We have developed a new method to measure krypton traces in xenon at so far unprecedented low concentrations. This is a mandatory task for many near-future low-background particle physics detectors. Our system is based on a cryogenic gas chromatographic krypton/xenon separation and a subsequent mass spectroscopic krypton quantification. We prove this system to reach a detection limit of 8 ppq (parts per quadrillion) and present results of distilled xenon with krypton concentrations below 1 ppt.