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Cuadro de texto:   -  Atomic Mass: 137.9223837 ± 0.0000850 amu -  Excess Mass: -72299.139 ± 79.194 keV -  Binding Energy: 1144676.956 ± 79.194 keV -  Beta Decay Energy: B- 7820.000 ± 70.000 keV -  Spin: (2-) -  Half life: 6.49 s -  Mode of decay: Beta to Xe-138 º  Decay energy: 7.820 MeV -  Mode of decay: Beta + Neutron to Xe-137                                                                 Branch ratio: 5.50 %                                                                 Decay energy: 2.010 MeV

 

 

 

 

 

 

 

 

 

 

 

 

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