1 Erratum to: Eur. Phys. J. C (2021) 81:1041 https://doi.org/10.1140/epjc/s10052-021-09827-w

In this article the caption of figure 4 contained a typesetting mistake. The correct caption reads:

Fig. 4 Simulated cosmogenic background spectra in 0–2.8 MeV region from copper components of germanium detectors for CDEX-100 experiment

The publisher apologizes for the inconvenience caused. The original article has been corrected.