Fig. 1: Recoil-gated, α-tagged background-subtracted γ-ray energy spectrum.
From: Reassigning the shapes of the 0+ states in the 186Pb nucleus

The most prominent peaks are marked with transition energies. The inset shows a close-up of the energy region from 350 to 510 keV. The contaminant transitions and their parent nuclei are marked with the red symbols.