论文标题
使用完整的pandax-II暴露的暗物质搜索结果
Results of Dark Matter Search using the Full PandaX-II Exposure
论文作者
论文摘要
我们报告了使用Pandax-II实验的整个132吨$ \ CDOT $ DAY暴露获得的暗物质搜索结果,包括2016年3月至2018年8月的所有数据。在预期的背景上没有明显过多的事件。上限设置在无自旋的暗物质 - 核子相互作用上。独立于旋转的横截面上的最低90%置信度排除为$ 2.2 \ times 10^{ - 46} $ cm $^2 $,在30 Gev/$ c^2 $的wimp质量下。
We report the dark matter search results obtained using the full 132 ton$\cdot$day exposure of the PandaX-II experiment, including all data from March 2016 to August 2018. No significant excess of events is identified above the expected background. Upper limits are set on the spin-independent dark matter-nucleon interactions. The lowest 90% confidence level exclusion on the spin-independent cross section is $2.2\times 10^{-46}$ cm$^2$ at a WIMP mass of 30 GeV/$c^2$.