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Cuadro de texto:   -  Atomic Mass: 228.0361800 ± 0.0002100 amu -  Excess Mass: 33701.000 ± 196.000 keV -  Binding Energy: 1733801.000 ± 196.000 keV -  Beta Decay Energy: B- -2373.000 ± 198.000 keV -  Half life: 61.4 s -  Mode of decay: EC to U-228 º  Branch ratio: 60.00 % º  Decay energy: 4.480 MeV -  Mode of decay: Alpha to Pa-224 º  Branch ratio: 40.00 % º  Decay energy: 7.420 MeV