Speaker
Pietro Giampa
Description
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 100,000 specifically designed silicon photomultipliers (SiPM) grouped into several thousands single-channel, $25\ {\rm cm}^2$ photosensors that are sensitive to single photoelectrons. We will present the recently achieved performances of the photosensor and associated low-noise electronics at liquid argon temperature and discuss the strategy for the mass production for DarkSide-20k.
