A Cryogenic Muon Tagging System Based on Kinetic Inductance Detectors for Superconducting Quantum Processors
This paper presents the design, simulation, and successful operation of a cryogenic Kinetic Inductance Detector (KID) system that achieves approximately 90% efficiency in tagging atmospheric muons at millikelvin temperatures, offering a viable solution for mitigating radiation-induced errors in superconducting quantum processors.