64-GD-153
Atomic Mass Mass Excess
152.921746129518 amu -72.893 MeV

Level energy (MeV) Spin & parity Half-life Mode of decay Branch ratio (%) Decay energy (MeV)
Ground state 3/2- 240.4 D 1.0 EC 100 .484
.0952 (9/2)+ 3.5 US 0.4 IT 100 .095
.1712 (11/2-) 76.0 US 1.4 IT 100 .171

Strong Gamma-rays from Decay of GD-153

Decay mode Half-life Gamma-ray energy (keV) Intensity (%)
EC 240.4 D 1.0 69.67300 2.42+- 0.07
EC 240.4 D 1.0 97.43100 29.0+- 0.8
EC 240.4 D 1.0 103.18011 21.1+- 0.7
IT 76.0 US 1.6 1.83 30.6+- 1.7
IT 76.0 US 1.6 2.8 52.+- 3.
IT 76.0 US 1.6 41.56 9.0+- 0.5
IT 76.0 US 1.6 51.78 4.5+- 1.9
IT 76.0 US 1.6 75.07 4.+- 3.
IT 76.0 US 1.6 76.01 19.+- 5.
IT 76.0 US 1.6 77.9 2.25+- 0.13
IT 76.0 US 1.6 93.34 0.99+- 0.11
IT 76.0 US 1.6 126.8 0.6+- 0.4