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Cuadro de texto:   -  Atomic Mass: 241.0568453 ± 0.0000021 amu -  Excess Mass: 52951.039 ± 1.948 keV -  Binding Energy: 1818696.538 ± 1.975 keV -  Beta Decay Energy: B- 20.815 ± 0.199 keV -  Spin: 5/2+ -  Half life: 14.35 years -  Mode of decay: Beta to Am-241 º  Decay energy: 0.021 MeV -  Mode of decay: Alpha to U-237 º  Branch ratio: 0.0025 % º  Decay energy: 5.140 MeV -  Mode of decay: SF º  Branch ratio: <2.E-14 % -  Meta state at 2.200 Mev -  Half life: 32 ns -  Mode of decay: SF -  Mode of decay: SF -  Possible parent nuclides:                                                                 Beta from Np-241                                                                 Alpha from Cm-245