Jul 5 – 12, 2017
Venice, Italy
Europe/Zurich timezone
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Low radioactivity Argon and SiPM at cryogenic temperatures for the next generation dark matter searches

Jul 7, 2017, 10:08 AM
Room Amici (Palazzo del Casinò)

Room Amici

Palazzo del Casinò

Parallel Talk Detector R&D and Data Handling Detectors and data handling


Dr Walter Marcello Bonivento (INFN Cagliari)


DarkSide-20k is a proposed 20 tonne fiducial mass liquid argon TPC that will perform an instrumental background-free search for WIMP dark matter. The TPC will be outfitted with more than 125,000 silicon photomultipliers (SiPM) grouped into 5210 single-channel, $25\ {\rm cm}^2$ photosensors that are sensitive to single photoelectrons, and will be filled with low radioactivity Argon extracted from underground CO$_2$ wells in Cortez, Colorado in the US.
We will present the performance of the photosensor and associated low-noise electronics at liquid argon temperature and discuss the strategy for scaling up production for DarkSide-20k as well as an overview of the Urania and Aria projects which aim to extract and purify 100 kg/day of underground Argon for use in Darkside-20k.

Experimental Collaboration Darkside

Primary author

Dr Walter Marcello Bonivento (INFN Cagliari)

Presentation materials