Funk实验对可见光和近紫外波段暗光子暗物质混合强度的限制
Limits from the Funk Experiment on the Mixing Strength of Hidden-Photon Dark Matter in the Visible and Near-Ultraviolet Wavelength Range
摘要：
我们目前的结果从FUNK实验在寻找隐藏的光子暗物质。在镜子表面附近，隐藏的光子可以转换为普通光子。这些光子垂直于表面发射，其能量等于隐藏的暗物质光子的质量。我们的实验装置由一个面积超过14 m $^2$的大型球面镜组成，该球面镜将发射的光子集中到其中心点。使用对可见光和近紫外光子敏感的探测器，我们可以排除在2.5至7 eV的质量范围内比$χ\approx 10^{-12}$更强的动力学混合耦合，假设隐藏的光子包括所有的暗物质。详细讨论了用于获得此限制的实验装置和分析。
英文摘要：
We present results from the FUNK experiment in the search for hidden-photon dark matter. Near the surface of a mirror, hidden photons may be converted into ordinary photons. These photons are emitted perpendicular to the surface and have an energy equal to the mass of the dark matter hidden photon. Our experimental setup consists of a large, spherical mirror with an area of more than 14 m$^2$, which concentrates the emitted photons into its central point. Using a detector sensitive to visible and near-UV photons, we can exclude a kinetic-mixing coupling of stronger than $χ\approx 10^{-12}$ in the mass range of 2.5 to 7 eV, assuming hidden photons comprise all of the dark matter. The experimental setup and analysis used to obtain this limit are discussed in detail.
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