Cuadro de texto:   -  Atomic Mass: 9.0438203 ± 0.0000671 amu -  Excess Mass: 40818.362 ± 62.471 keV -  Binding Energy: 30258.837 ± 62.471 keV -  Beta Decay Energy: B- 15864.459 ± 62.499 keV -  Spin: (1/2-) -  Half life: ~0.3 MeV -  Mode of decay: Neutron emission to He-8 º  Decay energy: 1.150 MeV

Cuadro de texto: 2-helium-9

 

 

 

 

 

 

 

 

 

 

 

 

 

       

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