Cuadro de texto:   -  Atomic Mass: 128.9126673 ± 0.0000551 amu -  Excess Mass: -81349.842 ± 51.295 keV -  Binding Energy: 1077956.340 ± 51.296 keV -  Beta Decay Energy: B- -5050.000 ± 200.000 keV -  Spin: 3/2+ -  Half life: 11.6 min -  Mode of decay: Electron capture to Ba-129 º  Decay energy: 3.720 MeV     Meta state at 0.172 Mev -  Spin: 11/2- -  Half life: 0.56 s -  Mode of decay: IT º  Decay energy: 0.172 MeV -  Possible parent nuclides:    Electron capture from Ce-129

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

               

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