Cuadro de texto:   -  Atomic Mass: 227.0277470 ± 0.0000029 amu -  Excess Mass: 25846.141 ± 2.709 keV -  Binding Energy: 1736714.684 ± 2.726 keV -  Beta Decay Energy: B- 44.824 ± 0.830 keV -  Spin: 3/2- -  Half life: 21.773 years -  Mode of decay: Beta to Th-227 º  Branch ratio: 98.62 % º  Decay energy: 0.045 MeV -  Mode of decay: Alpha to Fr-223 º  Branch ratio: 1.38 % º  Decay energy: 5.042 MeV º  Possible parent nuclides: º  Beta from Ra-227 º  Alpha from Pa-231

        

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

     

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