Cuadro de texto:   -  Atomic Mass: 137.9071068 ± 0.0000044 amu -  Excess Mass: -86529.421 ± 4.118 keV -  Binding Energy: 1155777.825 ± 4.122 keV -  Beta Decay Energy: B- 1044.439 ± 10.580 keV -  Atomic Percent Abundance: 0.0902% -  Spin: 5+ -  Half life: 1.05E+11 years -  Mode of decay: Electron capture to Ba-138 º  Branch ratio: 66.40 % º  Decay energy: 1.737 MeV -  Mode of decay: Beta to Ce-138 º  Branch ratio: 33.60 % º  Decay energy: 1.044 MeV

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

                     

                 

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