Abstract
We will report our searches on dark matter particles using the newly published data taken by PandaX-II detector spanning over three years with several refined algorithms applied. We do not see any significant excess in the classic search ROI of weakly interacting massive particles (WIMPs) with a 132 ton-day exposure, and 90% upper limits for WIMPs spin-independent cross section are set to 2.0×10-46 cm2 when m_chi = 15 GeV/c2. In light of the recent excess reported by XENON1T, we also performed searches on solar axions and neutrinos with enhanced magnetic moment based on our robust data-driven estimates of the dominant backgrounds in the low energy region. In the 100.7 ton-day exposure, the observed excess from XENON1T is within our experimental constraints.
