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Cuadro de texto:   -  Atomic Mass: 227.0287932 ± 0.0000083 amu -  Excess Mass: 26820.644 ± 7.716 keV -  Binding Energy: 1734175.474 ± 7.722 keV -  Beta Decay Energy: B- -2186.140 ± 18.394 keV -  Spin: (5/2-) -  Half life: 38.3 min -  Mode of decay: Alpha to Ac-223 º  Branch ratio: 85.00 % º  Decay energy: 6.580 MeV -  Mode of decay: EC to Th-227 º  Branch ratio: 15.00 % º  Decay energy: 1.019 MeV -  Possible parent nuclides:    Alpha from Np-231