Cuadro de texto:   -  Atomic Mass: 139.9280839 ± 0.0000560 amu -  Excess Mass: -66989.386 ± 52.174 keV -  Binding Energy: 1147686.315 ± 52.174 keV -  Beta Decay Energy: B- -5460.000 ± 400.000 keV -  Spin: 1+ -  Half life: 1.51 s -  Mode of decay: Electron capture to Sm-140 º  Decay energy: 8.400 MeV     Meta state at 0.185 Mev -  Spin: (5-) -  Half life: 125 ms -  Mode of decay: IT º  Decay energy: 0.185 MeV -  Mode of decay: Electron capture to Sm-140 º  Branch ratio: <1.00 % º  Decay energy: 8.585 MeV -  Possible parent nuclides:    Electron capture from Gd-140

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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