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Noise Dependence on Temperature and LAr Fill Level in the MicroBooNE Time Projection Chamber

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  • MicroBooNE Collaboration
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Publication date8/08/2015
<mark>Original language</mark>English

Abstract

MicroBooNE is a liquid argon time projection chamber (LArTPC) in the Fermilab Booster Neutrino Beamline. In Summer of 2015 the detector was filled with liquid argon and commissioned. In this note we present the temperature and fill-level dependence of the noise measured on the wire signals. We observe the expected decrease of noise for the CMOS ASIC and the increase in wire noise due to the change in dielectric when submerged in liquid argon.