105-Db-257
- Atomic Mass: 257.1078580 ± 0.0002500 amu
- Excess Mass: 100469.000 ± 233.000 keV
- Binding Energy: 1891713.000 ± 233.000 keV
- Half life: 1.3 S ( 38.4615 % )
- Mode of decay: Alpha to Lr-253
- Branch ratio: 82.00
- Decay energy: 9.310 MeV
- Mode of decay: SF
- Mode of decay: Electron capture to Rf-257
- Branch ratio: 1.00
- Decay energy: 4.300 MeV
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Possible parent nuclides:
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Alpha from Bh-261
Element Db