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Cuadro de texto:   -  Atomic Mass: 140.9266463 ± 0.0000973 amu -  Excess Mass: -68328.538 ± 90.609 keV -  Binding Energy: 1164137.970 ± 90.609 keV -  Beta Decay Energy: B- 6150.000 ± 90.000 keV -  Spin: 5/2(-) -  Half life: 1.73 s -  Mode of decay: Beta to Cs-141 -  Decay energy: 6.150 MeV -  Mode of decay: Beta + Neutron to Cs-140 º  Branch ratio: 0.04 % º  Decay energy: 0.660 MeV -  Possible parent nuclides:                                                                Beta from I-141                                                                Beta + N from I-142

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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