87-Fr-204
- Atomic Mass: 204.0005930 ± 0.0002220 amu
- Excess Mass: 552.000 ± 207.000 keV
- Binding Energy: 1577933.000 ± 207.000 keV
- Beta Decay Energy: B- -5481.000 ± 275.000 keV
- Spin: (3+)
- Half life: 1.7 S ( 17.6471 % )
- Mode of decay: Alpha to At-200
- Branch ratio: ~ 80.00
- Decay energy: 7.170 MeV
- Mode of decay: Electron capture to Rn-204
- Branch ratio: ~ 20.00
- Decay energy: 8.600 MeV
Meta state at 0.041 Mev
- Spin: (7+)
- Half life: 2.6 S ( 11.5385 % )
- Mode of decay: Alpha to At-200
- Branch ratio: <= 100.00
- Decay energy: 7.211 MeV
Meta state at 0.316 Mev
- Spin: (10-)
- Half life: 1 S
- Mode of decay: Alpha to At-200
- Branch ratio: <= 100.00
- Decay energy: 7.486 MeV
- Mode of decay: IT
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Possible parent nuclides:
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Alpha from Ac-208
Element Fr