论文标题
单电子量子回旋子作为Milli-EV暗光子检测器
One-Electron Quantum Cyclotron as a Milli-eV Dark-Photon Detector
论文作者
论文摘要
我们建议将被困电子用作高$ Q $谐振器来检测MEV暗光子暗物质。当深色光子的剩余能量与两个最低的回旋子水平的能量分解相匹配时，电子回旋子的第一个激发态将受到共识。用一个电子进行的原则测量证明，该方法在7.4天搜索中是不含背景的。它在148 GHz（0.6 MeV）的深色光子暗物质上设定了一个限制，其比以前的约束好75倍。在设计用于深色光子检测的设备中，可能以相似的灵敏度检测到0.1-1 MEV质量范围（20-200 GHz）中的深色光子暗物质。
We propose using trapped electrons as high-$Q$ resonators for detecting meV dark photon dark matter. When the rest energy of the dark photon matches the energy splitting of the two lowest cyclotron levels, the first excited state of the electron cyclotron will be resonantly excited. A proof-of-principle measurement, carried out with one electron, demonstrates that the method is background-free over a 7.4 day search. It sets a limit on dark photon dark matter at 148 GHz (0.6 meV) that is around 75 times better than previous constraints. Dark photon dark matter in the 0.1-1 meV mass range (20-200 GHz) could likely be detected at a similar sensitivity in an apparatus designed for dark photon detection.
