Cuadro de texto:   -  Atomic Mass: 231.0362892 ± 0.0000044 amu -  Excess Mass: 33803.128 ± 4.121 keV -  Binding Energy: 1758695.928 ± 4.132 keV -  Beta Decay Energy: B- -1810.827 ± 50.653 keV -  Spin: (5/2-) -  Half life: 4.2 d -  Mode of decay: Electron capture to Pa-231 º  Decay energy: 0.360 MeV     Meta state at 0.000 Mev -  Spin: 2+,5/2+) -  Half life: 4.2 d -  Mode of decay: Alpha to Th-227 -  Branch ratio: ~0.00 % º  Decay energy: 4 5.550 MeV -  Possible parent nuclides:                                                                 Electron capture from Np-231                                                                 Alpha from Pu-235

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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