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Cuadro de texto:   -  Atomic Mass: 238.0544970 ± 0.0000644 amu -  Excess Mass: 50763.664 ± 60.033 keV -  Binding Energy: 1799017.005 ± 60.034 keV -  Beta Decay Energy: B- 3460.000 ± 60.000 keV -  Spin: (3-) -  Half life: 2.3 min -  Mode of decay: Beta to U-238 º  Decay energy: 3.460 MeV -  Mode of decay: SF º   Branch ratio: <2.6E-6 % º   Decay energy: 3.460 MeV º   Decay energy: 2.250 MeV