Speaker
Description
Astrophysical observations indicate that a significant fraction of the energy content of the Universe is composed of cold dark matter. The most promising candidates for a particle explanation of dark matter are weakly interacting massive particles (WIMPs). Xe based dual-phase TPC is one of the best technologies in the field of direct dark matter searches, reporting the most stringent upper limit on WIMP-nucleon spin-independent elastic scatter cross-section with the XENON1T experiment at Laboratori Nazionali del Gran Sasso (Italy). The upgraded project XENONnT, utilizing 5.9 t of instrumented liquid Xe, is currently taking data. With the exposure goal of 20 t$\times$y, the new experiment will reach a sensitivity to spin-independent WIMP-nucleon cross-section of 1.4 × 10$^{−48}$ cm$^{2}$ for a 50 GeV/c2 mass WIMP (at 90% C.L.), one order of magnitude beyond XENON1T limit. The results reported by the XENON1T will be presented, as well as the status and the experimental program of XENONnT.
