Cuadro de texto:   -  Atomic Mass: 208.0017760 ± 0.0001500 amu -  Excess Mass: 1654.000 ± 140.000 keV -  Binding Energy: 1608334.000 ± 140.000 keV -  Beta Decay Energy: B- -9043.000 ± 250.000 keV -  Spin: 0+ -  Half life: 1.3 s -  Mode of decay: Alpha to Rn-204                                 º  Branch ratio: 95.00 %                                 º  Decay energy: 7.273 MeV -  Mode of decay: EC to Fr-208                                 º  Branch ratio: 5.00 %                                 º  Decay energy: 4.330 MeV -  Possible parent nuclides:    Alpha from Th-212      

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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