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-  Atomic Mass: 233.0429876 ± 0.0000544 amu 
-  Excess Mass: 40042.657 ± 50.630 keV 
-  Binding Energy: 1767034.337 ± 50.631 keV 
-  Beta Decay Energy: B- -3246.000 ± 224.000 keV 
-  Half life: 20.9 min 
-  Mode of decay: Electron capture to Np-233 
º  Branch ratio: 99.88 % 
º  Decay energy: 1.900 MeV 
-  Mode of decay: Alpha to U-229 
º  Branch ratio: 0.12 % 
º  Decay energy: 6.420 MeV