Speaker
Description
The DarkSide collaboration demonstrated the ability of a dual-phase LAr-TPC to
search for low-mass dark matter candidates, including light WIMPs with masses
below 10- GeV and sub-GeV particles that interact with couplings smaller than
the weak scale, by exploiting the high electron extraction efficiency and the
inherent gain of the ionization signal of the DarkSide-50 detector. A LAr-TPC
designed specifically to optimize the ionization channel could realistically
push the experimental sensitivity to low-mass DM down to the solar neutrino
floor. We will detail the experimental challenges related to this goal and
introduce efforts currently underway to address these issues. Finally, we’ll
present projections of the sensitivity a future, tonne-scale LAr-TPC could
achieve.
