氢化碳结构作为方向性亚GeV暗物质探测器
Hydrogenated carbon structures as directional sub-GeV dark matter detectors
AI总结：
利用氢化碳结构作为方向性亚GeV暗物质探测器，通过高灵敏度和低能量阈值实现高效的暗物质检测与背景抑制。
摘要：
我们提出氢化碳结构作为探测目标，具有对暗物质-核子相互作用的显著灵敏度，质量范围在1 MeV到100 MeV之间。暗物质粒子与目标相互作用后脱出质子的过程是一种准弹性过程，具有极低的能量阈值和清晰的实验特征。所提出的探测器简单、技术成熟且成本低廉。然而，它们比当前实验更敏感。此外，它们允许强方向性，可用于高效的背景排斥。
英文摘要：
We propose hydrogenated carbon structures as targets with a remarkable sensitivity to dark matter-nucleon interactions, in the mass range between the 1 MeV and 100 MeV. The ejection of a proton following the interaction with a dark matter particle is a quasi-elastic process, with an extremely small energy threshold, and a clear experimental signature. The proposed detectors are simple, technologically ready, and inexpensive. Yet, they can be considerably more sensitive than current experiments. They also allow strong directionality, to be used towards efficient background rejection.
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