First trap-assisted decay spectroscopy of the Ge ground state C. Delafosse, A. Goasduff, A. Kankainen, D. Verney, L. Al Ayoubi, O. Beliuskina, L. Cañete, T. Eronen, R. P. de Groote, M. Hukkanen et al. (12 more) Eur. Phys. J. A, 58 3 (2022) 51 Published online: 21 March 2022 DOI: 10.1140/epja/s10050-022-00698-7