stable nucleus

stable nucleus

[′stā·bəl ′nü·klē·əs]
(nuclear physics)
A nucleus which does not spontaneously undergo radioactive decay.
References in periodicals archive ?
The induction time is the sum of the required time to reach a semi-stable state for clusters distribution, required time for stable nucleus creation and required time for nucleus to determinable size.
What constitutes a stable nucleus, especially at the extreme limits of stability?
In fusion, two atomically light nuclei -- such as the hydrogen isotopes deuterium and tritium -- merge into a heavier, more energetically stable nucleus.