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Measurement of the Electronegative Contaminants and Drift Electron Lifetime in the MicroBooNE Experiment

Research output: Working paperPreprint

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  • MicroBooNE Collaboration
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Publication date29/05/2016
<mark>Original language</mark>English

Abstract

High-purity liquid argon is critical for the operation of a liquid argon time projection chamber (LArTPC). At MicroBooNE, we have achieved an electron drift lifetime of at least 6 ms without evacuation of the detector vessel. Measurements of the electronegative contaminants oxygen and water are described and shown as the gas and liquid argon stages of filtration progressed.