Figure 1

Typical gamma-ray spectrum (a) and alpha particle spectrum (b) of 151Eu target on Ti support irradiated by 3He nuclei with incident energy ~50 MeV, measured at ~11 cm distance during 10 minutes 5 h after the end of bombardment (EOB) for (a) and measured at ~2 cm distance during 2 minutes 5 h after the EOB for (b).