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Cuadro de texto:  
-  Atomic Mass: 228.0313664 ± 0.0000172 amu 
-  Excess Mass: 29217.569 ± 16.005 keV 
-  Binding Energy: 1739067.519 ± 16.008 keV 
-  Beta Decay Energy: B- -4484.000 ± 196.000 keV 
-  Spin: 0+ 
-  Half life: 9.1 min 
-  Mode of decay: Alpha to Th-224 
º  Branch ratio: >95.00 % 
º  Decay energy: 6.804 MeV 
-  Mode of decay: EC to Pa-228 
º  Branch ratio: <5.00 % 
º  Decay energy: 0.307 MeV 
 -  Possible parent nuclides: 
    Alpha from Pu-232