Cuadro de texto:   -  Atomic Mass: 120.9042369 ± 0.0000027 amu -  Excess Mass: -89202.770 ± 2.487 keV -  Binding Energy: 1026715.160 ± 2.493 keV -  Beta Decay Energy: B- 390.131 ± 2.081 keV -  Spin: 3/2+ -  Half life: 27.06 h -  Mode of decay: Beta to Sb-121 º  Decay energy: 0.388 MeV     Meta state at 0.006 Mev -  Spin: 11/2- -  Half life: 55 years -  Mode of decay: IT º  Branch ratio: 77.60 % º  Decay energy: 0.006 MeV -  Mode of decay: Beta to Sb-121 º  Branch ratio: 22.40 % º  Decay energy: 0.394 MeV -  Possible parent nuclides:     Beta from In-121

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

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