论文标题
用于轴线暗物质卤素的高Q微波介电谐振器
A high-Q microwave dielectric resonator for axion dark matter haloscopes
论文作者
论文摘要
频率带1-15 GHz为宇宙学和天体物理论证所表明的谐振轴卤代架提供了令人兴奋的前景。目前针对达到所需敏感性的挑战中，耐受多型式领域的高质量因素腔的发展起着核心作用。 我们报告了一个基于右圆形铜腔的3D谐振器，该铜腔具有空心圆柱体，该圆筒将围绕气缸轴周围的高阶模式限制。它的有效体积为10.3 \，GHz为$ 3.4 \ CDOT 10^{ - 2} $ liters，在8 \，T-field下，我们的内部质量系数超过900万。这些参数证明了这种独特的谐振器对探测银河系暗物质轴的潜力，该示例速率是15 \，MHz/天的显着扫描速率，当时量子限制的接收器读数腔。
The frequency band 1-15 GHz provides exciting prospects for resonant axion haloscopes as indicated by cosmological and astrophysical arguments. Among the challenges currently addressed to reach the required sensitivity, the development of high quality factor cavities that tolerate multi-Tesla fields plays a central role. We report a 3D resonator based on a right circular copper cavity with hollow cylinders that confine higher order modes around the cylinder axis. Its effective volume at 10.3\,GHz is $3.4 \cdot 10^{-2}$ liters, and under an 8\,T-field we measured an internal quality factor of more than 9 millions. These parameters demonstrate the potential of this unique resonator to probe galactic dark matter axion at remarkable scan rates of 15\,MHz/day when the cavity is readout by a quantum-limited receiver.
