Speaker
YiKe Shu
(Institude of high energy physics, Chinese academy of science)
Description
The dual-phase argon time projection chamber (DArTPC) has shown exceptional sensitivity and background rejection capabilities, as demonstrated by the DarkSide-50 experiment. For future dark matter detection, particularly for low-mass dark matter (<10 GeV/c²), exploiting exclusive ionization signal detection (S2-only) to achieve a low detection threshold is an exciting avenue of research. In this poster, we will present the ongoing R&D efforts focused on studying the S2 signal in a dedicated TPC setup. The current status of the experiments, including preliminary results on X-Y reconstruction, event selection, and pulse shape analysis will be discussed.