Eu-152

Europium-152

Technogenic

β, γ radiation

Half-life: 13,5 years

Main emission lines: 40keV, 122keV, 244keV, 344keV, 778keV, 1098keV, 1408keV

Where detected

Rather rare isotope, one of the markers of nuclear tests and accidents. Small amounts can be found in trinitite or at nuclear test sites.