STELLAR ASTROPHYSICS
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    r-process

    The creation of elements heavier than zinc through the intense bombardment of other elements by neutrons. The r-process (“r” for “rapid”) occurs on a timescale so short compared to the time needed for nuclear decay via the emission of a beta particle that it enables chains of reactions involving highly unstable intermediate nuclei to take place. It is believed to occur in supernovae, which unleash a fierce flux of neutrons, and to be responsible for the manufacture of most of the elements in the periodic table more massive than iron.


    Related entry

       • s-process


    Related category

       • STELLAR ASTROPHYSICS



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