68-Er-149
- Atomic Mass: 148.9421740 ± 0.0005060 amu
- Excess Mass: -53864.000 ± 471.000 keV
- Binding Energy: 1203291.000 ± 471.000 keV
- Beta Decay Energy: B- -9758.000 ± 760.000 keV
- Spin: (1/2+)
- Half life: 4 S ( 50.0000 % )
- Mode of decay: Electron capture to Ho-149
- Mode of decay: EC + Proton to Dy-148
- Branch ratio: 7.00
- Decay energy: 6.700 MeV
Meta state at 0.742 Mev
- Spin: (11/2-)
- Half life: 8.9 S ( 2.2472 % )
- Mode of decay: IT
- Branch ratio: 3.50
- Decay energy: 0.742 MeV
- Mode of decay: EC + Proton to Dy-148
- Branch ratio: 0.18
- Decay energy: 7.442 MeV
- Mode of decay: Electron capture to Ho-149
- Branch ratio: 96.50
- Decay energy: 8.442 MeV
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Possible parent nuclides:
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Electron capture from Tm-149
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Alpha from Yb-153
Element Er