Electron capture in fully ionised nuclei

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Garlic
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Hello everyone,
What happens if an isotope that normally decays through EC has no electrons at all? For example how does 7Be4+ decay?
 

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If beta+ decay is not possible and there are no electrons around, the isotope becomes stable.
 
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Positron emission is energetically blocked for Be-7, so it becomes stable.

Most heavier nuclei will have the positron emission channel open up.