Cuadro de texto:   -  Atomic Mass: 136.9077776 ± 0.0000513 amu -  Excess Mass: -85904.567 ± 47.755 keV -  Binding Energy: 1146299.295 ± 47.756 keV -  Beta Decay Energy: B- -2702.000 ± 10.000 keV -  Spin: 3/2+ -  Half life: 9.0 h -  Mode of decay: Electron capture to La-137 º  Decay energy: 1.222 MeV -  Meta state at 0.254 Mev -  Spin: 11/2- -  Half life: 34.4 h -  Mode of decay: IT º  Branch ratio: 99.22 % º  Decay energy: 0.254 MeV -  Mode of decay: Electron capture to La-137 º  Branch ratio: 0.78 % º  Decay energy: 1.476 MeV -  Possible parent nuclides:    Electron capture from Pr-137

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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