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Cuadro de texto:   -  Atomic Mass: 229.0334961 ± 0.0000085 amu -  Excess Mass: 31201.446 ± 7.961 keV -  Binding Energy: 1745154.964 ± 7.967 keV -  Beta Decay Energy: B- -2562.287 ± 87.154 keV -  Spin: (3/2+) -  Half life: 58 min -  Mode of decay: Electron capture to Pa-229 º  Branch ratio: ~80.00 % º  Decay energy: 1.309 MeV -  Mode of decay: Alpha to Th-225 º  Branch ratio: ~20.00 % º  Decay energy: 6.475 MeV -  Possible parent nuclides:    Alpha from Pu-233