论文标题
暗物质直接检测从单声子到核后坐力制度
Dark matter direct detection from the single phonon to the nuclear recoil regime
论文作者
论文摘要
在大多数直接检测实验中，对暗物质散射的自由核电弯曲描述分解了质量$ \ Lessim $ 100 MEV，或者当后座能与典型的声子能量相当的几倍时。对于暗物质比1 MeV轻的，通过单个声子的激发来散射，并且先前已经计算出来，但是对于中间质量范围或更高的检测器阈值，多音形过程占主导地位。假设一个谐波晶体靶标，我们通过多支动头生产对整个KEV-GEV暗物质质量范围进行了第一个计算。我们提供了一个分析描述，该描述连接了单个声子，多声音和核后坐力制度。我们的结果在公共软件包$ \ texttt {darkelf} $中实现。
In most direct detection experiments, the free nuclear recoil description of dark matter scattering breaks down for masses $\lesssim$ 100 MeV, or when the recoil energy is comparable to a few times the typical phonon energy. For dark matter lighter than 1 MeV, scattering via excitation of a single phonon dominates and has been computed previously, but for the intermediate mass range or higher detector thresholds, multiphonon processes dominate. We perform the first calculation of the scattering rate via multiphonon production for the entire keV-GeV dark matter mass range, assuming a harmonic crystal target. We provide an analytic description that connects the single phonon, multiphonon, and the nuclear recoil regimes. Our results are implemented in the public package $\texttt{DarkELF}$.
