60-ND-139
Atomic Mass Mass Excess
138.911926419075 amu -82.04 MeV

Level energy (MeV) Spin & parity Half-life Mode of decay Branch ratio (%) Decay energy (MeV)
Ground state 3/2+ 29.7 M 0.5 EC 100 2.79
.231 11/2- 5.50 H 0.20 EC 88.2 3.021
.231 11/2- 5.50 H 0.20 IT 11.8 .231

Strong Gamma-rays from Decay of ND-139

Decay mode Half-life Gamma-ray energy (keV) Intensity (%)
EC 29.7 M 0.5 113.87 0.68+- 0.10
EC 29.7 M 0.5 183.50 0.76+- 0.14
EC 29.7 M 0.5 405.00 6.9+- 1.0
EC 29.7 M 0.5 475.5 1.31+- 0.22
EC 29.7 M 0.5 588.8 0.80+- 0.16
EC 29.7 M 0.5 669.0 1.5+- 0.3
EC 29.7 M 0.5 916.9 1.5+- 0.3
EC 29.7 M 0.5 923.4 1.33+- 0.24
EC 29.7 M 0.5 1074.2 2.5+- 0.5
EC 29.7 M 0.5 1405.5 0.61+- 0.13
IT 5.5 H 0.2 231.15 0.75+- 0.03