: Astronomie: spontaneous fission

physical process > radioactive decay > spontaneous fission

spontaneous fission

Spontaneous fission (SF) is a form of radioactive decay that is found only in very heavy chemical elements. The nuclear binding energy of the elements reaches its maximum at an atomic mass number of about 56 (e.g., iron-56); spontaneous breakdown into smaller nuclei and a few isolated nuclear particles becomes possible at greater atomic mass numbers. (Wikipedia, The Free Encyclopedia, https://en.wikipedia.org/wiki/Spontaneous_fission)

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