Improved and automated krypton assay for low-background xenon detectors with Auto-RGMS Matteo Guida, Ying-Ting Lin and Hardy Simgen Eur. Phys. J. C, 85 5 (2025) 576 Published online: 26 May 2025 DOI: 10.1140/epjc/s10052-025-14262-2