1 Erratum to: Eur. Phys. J. A (2021) 57:268 https://doi.org/10.1140/epja/s10050-021-00578-6

In Table 3 of this article, the data in column 2 was mistakenly headed as “\(I_{\gamma i}\) (keV)”. The correct heading should read “\(I_{\gamma i}\) (%)”. The publisher apologizes for the inconvenience caused. The original article has been corrected.