Cuadro de texto:   -  Atomic Mass: 171.9383961 ± 0.0000066 amu -  Excess Mass: -57383.638 ± 6.135 keV -  Binding Energy: 1391668.776 ± 6.139 keV -  Beta Decay Energy: B- 1880.148 ± 5.500 keV -  Spin: 2- -  Half life: 63.6 h -  Mode of decay: Beta to Yb-172 º  Decay energy: 1.880 MeV -  Possible parent nuclides:    Beta from Er-172

 

 

 

 

 

 

 

 

 

 

 

                       

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