Ternary fission

Ternary fission is a nuclear reaction in which a heavy nucleus splits into three smaller nuclei, along with the release of energy and neutrons. This process is less common than the more widely known binary fission, where a nucleus splits into two smaller nuclei. In ternary fission, the original heavy nucleus—such as uranium-235 or plutonium-239—undergoes an instability that allows it to split into three fragments.