Mirror-skin thickness: a possible observable sensitive to the charge symmetry breaking energy density functionalTomoya Naito, Yuto Hijikata, Juzo Zenihiro, Gianluca Colò and Hiroyuki SagawaEur. Phys. J. A, 61 7 (2025) 177DOI: https://doi.org/10.1140/epja/s10050-025-01646-x