These occur where an excited nucleus has zero spin, and thus is unable to rid itself of energy by gamma emission, but also has insufficient decay energy to decay by internal pair creation.
Thus, it is unable to rid itself of energy by gamma emission, but it also has insufficient decay energy to decay by internal pair creation. These occur where an excited nucleus has zero spin.
These occur where an excited nucleus has zero spin. Thus, it is unable to rid itself of energy by gamma emission, but it also has insufficient decay energy to decay by internal pair creation.
These occur where an excited nucleus has zero spin. Thus, it is unable to rid itself of energy by gamma emission, but it also has insufficient decay energy to decay by internal pair creation.