Cuadro de texto:   -  Atomic Mass: 207.0037270 ± 0.0004460 amu -  Excess Mass: 3472.000 ± 415.000 keV -  Binding Energy: 1598445.000 ± 415.000 keV -  Beta Decay Energy: B- -7794.000 ± 364.000 keV -  Spin: 2-,3/2-) -  Half life: 1.3 s -  Mode of decay: Alpha to Rn-203                             º  Branch ratio: ~90.00 %                             º  Decay energy: 7.270 MeV -  Mode of decay: EC to Fr-207                             º  Branch ratio: ~10.00 %                             º  Decay energy: 6.400 MeV Meta state at 0.470 Mev -  Spin: 13/2+) -  Half life: 55 ms -  Mode of decay: IT to Ra-207                             º  Branch ratio: 85.00 %                             º  Decay energy: 0.470 MeV -  Mode of decay: Alpha to Rn-203                             º  Branch ratio: 15.00 %                             º  Decay energy: 7.740 MeV -  Mode of decay: EC to Fr-207                             º  Branch ratio: ~0.35 %                             º  Decay energy: 6.870 MeV -  Possible parent nuclides:    Alpha from Th-211    

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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