Cuadro de texto:   -  Atomic Mass: 120.9171836 ± 0.0000152 amu -  Excess Mass: -77142.934 ± 14.128 keV -  Binding Energy: 1010743.556 ± 14.129 keV -  Beta Decay Energy: B- -6802.021 ± 303.531 keV -  Spin: 3/2(+) -  Half life: 128 s -  Mode of decay: Electron capture to Xe-121 º  Decay energy: 5.400 MeV     Meta state at 0.068 Mev -  Spin: 9/2(+) -  Half life: 122 s -  Mode of decay: Electron capture to Xe-121 º  Branch ratio: 83.00 % º  Decay energy: 5.469 MeV -  Mode of decay: IT º  Branch ratio: 17.00 % º  Decay energy: 0.068 MeV -  Possible parent nuclides:                                                                Electron capture from Ba-121                                                                EC + P from La-122

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

 

                       

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