Explaining the CDF-II W-boson mass anomaly in the Georgi–Machacek extension models Xiao Kang Du, Zhuang Li, Fei Wang and Ying Kai Zhang Eur. Phys. J. C, 83 2 (2023) 139 Published online: 11 February 2023 DOI: 10.1140/epjc/s10052-023-11297-1