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Silicon Photomultipliers (SiPMs) are a promising solid-state alternative to the widely used Photomultiplier Tubes (PMTs) in rare-event searches with liquid xenon as target material.
We have characterised a vacuum ultraviolet (VUV) sensitive SiPM down to temperatures of 110K and in liquid xenon at 185K. Furthermore, we studied the radioactivity of the raw SiPM materials. The detailed description of our cryogenic setup and the conducted SiPM measurements are published in JINST 13 (2018) no.10, P10022.
