Cuadro de texto:   -  Atomic Mass: 138.9119242 ± 0.0000544 amu -  Excess Mass: -82042.114 ± 50.679 keV -  Binding Energy: 1157014.780 ± 50.679 keV -  Beta Decay Energy: B- -4504.392 ± 29.096 keV -  Spin: 3/2+ -  Half life: 29.7 min -  Mode of decay: Electron capture to Pr-139 º  Decay energy: 2.790 MeV     Meta state at 0.231 Mev -  Spin: 11/2- -  Half life: 5.50 h -  Mode of decay: Electron capture to Pr-139 º  Branch ratio: 88.20 % º  Decay energy: 3.021 MeV -  Mode of decay: IT º  Branch ratio: 11.80 % º  Decay energy: 0.231 MeV -  Possible parent nuclides:    Electron capture from Pm-139

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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