标题： 从中子散射确定自旋依赖的光暗物质速率 显示英文标题

标题： Determining Spin-Dependent Light Dark Matter Rates from Neutron Scattering

摘要： 光暗物质与电子自旋相关的散射和吸收速率取决于靶材的自旋响应。 我们展示了这种响应如何由靶材的动力学磁化率编码，该磁化率可以通过中子散射进行测量。 我们直接使用现有的中子散射数据来计算候选靶材中的暗物质散射速率，在兆电子伏特暗物质质量下，结果与之前的从头计算结果高度一致。 补充实验和测量可以将该技术的应用范围扩展到其他暗物质模型和质量，并确定未来实验有前景的靶材。 显示英文摘要

摘要： The scattering and absorption rates of light dark matter with electron spin-dependent interactions depend on the target's spin response. We show how this response is encoded by the target's dynamical magnetic susceptibility, which can be measured using neutron scattering. We directly use existing neutron scattering data to compute the dark matter scattering rate in a candidate target material, finding close agreement with the previous first-principles calculation at MeV dark matter masses. Complementary experiments and measurements can extend the reach of this technique to other dark matter models and masses, and identify promising target materials for future experiments.