64-GD-149
Atomic Mass Mass Excess
148.919336022385 amu -75.138 MeV

Level energy (MeV) Spin & parity Half-life Mode of decay Branch ratio (%) Decay energy (MeV)
Ground state 7/2- 9.28 D 0.10 EC 100 1.314
Ground state 7/2- 9.28 D 0.10 A .00043 3.1

Strong Gamma-rays from Decay of GD-149

Decay mode Half-life Gamma-ray energy (keV) Intensity (%)
EC 9.28 D 0.10 149.735 48.+- 3.
EC 9.28 D 0.10 260.736 1.32+- 0.08
EC 9.28 D 0.10 272.321 3.21+- 0.19
EC 9.28 D 0.10 298.634 28.6+- 1.7
EC 9.28 D 0.10 346.651 23.9+- 1.3
EC 9.28 D 0.10 459.814 0.58+- 0.03
EC 9.28 D 0.10 496.3830 1.66+- 0.09
EC 9.28 D 0.10 516.5450 2.69+- 0.15
EC 9.28 D 0.10 534.295 3.07+- 0.17
EC 9.28 D 0.10 645.3150 1.46+- 0.08
EC 9.28 D 0.10 666.289 0.87+- 0.05
EC 9.28 D 0.10 748.6010 8.2+- 0.5
EC 9.28 D 0.10 788.876 7.3+- 0.4
EC 9.28 D 0.10 932.96 0.62+- 0.04
EC 9.28 D 0.10 938.610 2.39+- 0.13
EC 9.28 D 0.10 947.835 0.96+- 0.06