58-CE-137
Atomic Mass Mass Excess
136.907782537769 amu -85.90 MeV

Level energy (MeV) Spin & parity Half-life Mode of decay Branch ratio (%) Decay energy (MeV)
Ground state 3/2+ 9.0 H 0.3 EC 100 1.222
.254 11/2- 34.4 H 0.3 IT 99.22 .254
.254 11/2- 34.4 H 0.3 EC .78 1.476

Strong Gamma-rays from Decay of CE-137

Decay mode Half-life Gamma-ray energy (keV) Intensity (%)
IT 34.4 H 0.3 254.29 11.0+- 0.5
EC 9.0 H 0.3 10.61 0.80+- 0.04
EC 9.0 H 0.3 447.15 1.78+- 0.08