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Residual gas damping noise in constrained volume in space-borne gravitational wave detection

Luo, Jie; Tan, Yu-Jie; Shao, Cheng-Gang +4 more

The residual gas damping in the enclosure surrounding a free-fall test mass is an important limiting factor for the sensitivity of some space detection missions. We present a constrained volume damping model for space-borne gravitational wave detection, which depends on the escape time needed for a molecule to diffuse out of the gap between two ad…