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Cuadro de texto:   -  Atomic Mass: 242.0587368 ± 0.0000021 amu -  Excess Mass: 54713.012 ± 1.966 keV -  Binding Energy: 1825005.887 ± 1.993 keV -  Beta Decay Energy: B- -750.963 ± 0.718 keV -  Spin: 0+ -  Half life: 373300 years -  Mode of decay: Alpha to U-238 º  Decay energy: 4.984 MeV -  Mode of decay: SF º  Branch ratio: 0.00055 % º  Mode of decay: SF º  Branch ratio: >0.00 % -  Mode of decay: SF º  Branch ratio: >0.00 % -  Possible parent nuclides:                                                                Beta from Np-242 º  Electron capture from Am-242 º  Alpha from Cm-246