63-EU-155
Atomic Mass Mass Excess
154.922889454283 amu -71.828 MeV

Level energy (MeV) Spin & parity Half-life Mode of decay Branch ratio (%) Decay energy (MeV)
Ground state 5/2+ 4.7611 Y 0.0013 B- 100 .252

Strong Gamma-rays from Decay of EU-155

Decay mode Half-life Gamma-ray energy (keV) Intensity (%)
B- 4.7611 Y 0.0013 45.2972 1.33+- 0.03
B- 4.7611 Y 0.0013 60.0086 1.13+- 0.05
B- 4.7611 Y 0.0013 86.545 30.7+- 0.7
B- 4.7611 Y 0.0013 105.305 21.2+- 0.5