Cuadro de texto:   -  Atomic Mass: 128.9060634 ± 0.0000050 amu -  Excess Mass: -87501.395 ± 4.642 keV -  Binding Energy: 1085672.600 ± 4.645 keV -  Beta Decay Energy: B- -2431.553 ± 11.326 keV -  Spin: 1/2+ -  Half life: 32.06 h -  Mode of decay: Electron capture to Xe-129 º  Decay energy: 1.196 MeV -  Possible parent nuclides:    Electron capture from Ba-129

 

 

 

 

 

 

 

 

 

 

 

 

 

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