论文标题
沉重暗物质的直接检测限
Direct Detection Limits on Heavy Dark Matter
论文作者
论文摘要
多重相互作用的巨大颗粒（中等单位）是沉重的（> 10^10 Gev/c^2）的暗物质颗粒，与常规物质相互作用，但由于构成局部暗物质光环所需的低数量密度，可能已经逃避了检测。这些颗粒可以在当前的实验中留下类似轨道的特征，类似于轻微离子化的颗粒。我们表明，以前从Majora示威者在轻度电离粒子通量上计算出的限制可用于排除MIMP暗物质参数空间至10^15 GEV/C^2的质量。我们还可以在此高质量制度中从标准的Xenon1T分析中计算出限制，并正确考虑到通量的限制和多散射效应。最后，我们表明使用Xenon1t暗物质搜索的专用MIMP分析可以探测未探索的参数空间，直至10^18 GEV/C^2的质量。
Multiply-interacting massive particles (MIMPs) are heavy (>10^10 GeV/c^2) dark matter particles that interact strongly with regular matter, but may have evaded detection due to the low number density required to make up the local dark matter halo. These particles could leave track-like signatures in current experiments, similar to lightly-ionizing particles. We show that previously calculated limits from the MAJORANA Demonstrator on the flux of lightly-ionizing particles can be used to exclude MIMP dark matter parameter space up to a mass of 10^15 GeV/c^2. We also calculate limits from the standard XENON1T analysis in this high-mass regime, properly taking into account flux limitations and multi-scatter effects. Finally, we show that a dedicated MIMP analysis using the XENON1T dark matter search could probe unexplored parameter space up to masses of 10^18 GeV/c^2.
