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Cuadro de texto:   -  Atomic Mass: 139.9312100 ± 0.0002300 amu -  Excess Mass: -64077.000 ± 214.000 keV -  Binding Energy: 1152598.000 ± 214.000 keV -  Beta Decay Energy: B- 8918.000 ± 223.000 keV -  Spin: (3) -  Half life: 0.86 s -  Mode of decay: Beta to Xe-140 º  Decay energy: 8.760 MeV -  Mode of decay: Beta + Neutron to Xe-139 º  Branch ratio: 9.30 % º  Decay energy: 3.340 MeV

 

 

 

 

 

 

 

 

 

 

 

 

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