59-PR-138
Atomic Mass Mass Excess
137.910748740891 amu -83.137 MeV

Level energy (MeV) Spin & parity Half-life Mode of decay Branch ratio (%) Decay energy (MeV)
Ground state 1+ 1.45 M 0.05 EC 100 4.437
.364 7- 2.12 H 0.04 EC 100 4.801

Strong Gamma-rays from Decay of PR-138

Decay mode Half-life Gamma-ray energy (keV) Intensity (%)
EC 2.12 H 0.04 302.70 80.+- 5.
EC 2.12 H 0.04 390.90 6.1+- 0.3
EC 2.12 H 0.04 547.50 5.2+- 0.3
EC 2.12 H 0.04 635.70 1.78+- 0.10
EC 2.12 H 0.04 770.4 0.66+- 0.08
EC 2.12 H 0.04 788.70 100.+- 5.
EC 2.12 H 0.04 1037.80 101.+- 5.
EC 1.45 M 0.05 688.20 0.82+- 0.15
EC 1.45 M 0.05 788.70 2.4+- 0.4