Cuadro de texto:   -  Atomic Mass: 138.9089322 ± 0.0000089 amu -  Excess Mass: -84829.114 ± 8.267 keV -  Binding Energy: 1160584.133 ± 8.269 keV -  Beta Decay Energy: B- -2787.000 ± 50.000 keV -  Spin: 5/2+ -  Half life: 4.41 h -  Mode of decay: Electron capture to Ce-139 º  Decay energy: 2.129 MeV -  Possible parent nuclides:    Electron capture from Nd-139

 

 

 

 

 

 

 

 

 

 

 

 

 

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