论文标题
宇宙射线的衰减向上脱落暗物质
Attenuation of Cosmic-Ray Up-Scattered Dark Matter
论文作者
论文摘要
GEV尺度的暗物质颗粒具有强耦合到重子的强耦合，因为它们在覆盖层中有效停止了标准的直接检测极限，因此无法到达地下探测器。另一方面，已经证明可以考虑到与宇宙射线相互作用增强的暗物质颗粒的通量，可以探测此参数空间。我们重新审视这些界限，特别关注地壳中相对论暗物质颗粒的相互作用。研究了核形态因素，非弹性散射和横截面对转移动量的额外依赖性（例如，由于存在光介体的存在）的影响，发现对于回答GEV尺度窗口是否紧密相互作用的暗物质的窗口是否封闭，这对于回答问题至关重要。
GeV-scale dark matter particles with strong coupling to baryons evade the standard direct detection limits as they are efficiently stopped in the overburden and, consequently, are not able to reach the underground detectors. On the other hand, it has been shown that it is possible to probe this parameter space taking into account the flux of dark matter particles boosted by interactions with cosmic rays. We revisit these bounds paying particular attention to interactions of the relativistic dark matter particles in the Earth's crust. The effects of nuclear form factors, inelastic scattering and extra dependence of the cross section on transferred momentum (e.g., due to presence of light mediators) are studied and are found to be crucial for answering the question as to whether the window for GeV-scale strongly interacting dark matter is closed or not.
