Cuadro de texto:   -  Atomic Mass: 203.0010480 ±  0.0002460 amu   -  Excess Mass: 976.000 ±  229.000 keV -  Binding Energy: 1569437.000 ±  229.000 keV -  Beta Decay Energy: B- -7603.000 ±  325.000 keV -  Spin: (9/2-)                                                        -  Half life: 0.55 s -  Mode of decay: Alpha to At-199                                 º  Branch ratio: ~95.00 %                                 º  Decay energy: 7.280 MeV -  Mode of decay: EC to Rn-203                                 º  Branch ratio: ~5.00 %                                 º  Decay energy: 7.200 MeV -  Possible parent nuclides:     Alpha from Ac-207      

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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