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Cuadro de texto:   -  Atomic Mass: 137.9292200 ± 0.0002200 amu -  Excess Mass: -65931.000 ± 205.000 keV -  Binding Energy: 1139091.000 ± 205.000 keV -  Beta Decay Energy: B- 6368.000 ± 220.000 keV -  Spin: 0+ -  Half life: 1.4 s -  Mode of decay: Beta to I-138 -  Decay energy: 6.370 MeV -  Mode of decay: Beta + Neutron to I-137 -  Branch ratio: 6.30 %                                                                                             º  Decay energy: 2.500 MeV

 

 

 

 

 

 

 

 

 

 

 

 

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