68-ER-157
Atomic Mass Mass Excess
156.93194802176 amu -63.39 MeV

Level energy (MeV) Spin & parity Half-life Mode of decay Branch ratio (%) Decay energy (MeV)
Ground state 3/2- 18.65 M 0.10 EC ~100.00 3.5
Ground state 3/2- 18.65 M 0.10 A <0.02 3.34
.1554 (9/2+) 76 MS 6 IT 100 .155

Strong Gamma-rays from Decay of ER-157

Decay mode Half-life Gamma-ray energy (keV) Intensity (%)
EC 18.65 M 0.10 53.050 24.1+- 1.7
EC 18.65 M 0.10 66.910 3.0+- 0.4
EC 18.65 M 0.10 83.40 1.0+- 1.0
EC 18.65 M 0.10 83.40 1.0+- 1.0
EC 18.65 M 0.10 121.40 10.1+- 2.2
EC 18.65 M 0.10 150.40 3.0+- 0.6
EC 18.65 M 0.10 179.80 1.18+- 0.10
EC 18.65 M 0.10 357.00 0.50+- 0.10
EC 18.65 M 0.10 391.32 14.2+- 1.4
EC 18.65 M 0.10 503.50 0.84+- 0.09
EC 18.65 M 0.10 527.80 0.68+- 0.10
EC 18.65 M 0.10 549.10 2.7+- 0.4
EC 18.65 M 0.10 584.00 0.53+- 0.07